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  • Fisheries  (641)
  • Pollution  (112)
  • Polymer and Materials Science
  • SPACE SCIENCES
  • Chennai, India  (247)
  • Iranian Fisheries Science Research Institute  (242)
  • FISON  (230)
  • 1
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    Providing brood stocks of Caspian trout (Salmo trutta caspius) from Mazandaran Rivers and production of one hundred thousand fries (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Caspian trout (Salmo trutta caspius) is one of valuable fishes of the Caspian sea for people living in the Northern coastal area of Iran. Since fish stock and natural resources protection is one the Iranian fisheries research objectives, the most activity on Caspian trout rehabilitation was focused on releasing thousands of smolts in the rivers discharge to Caspian Sea. Catch statistics of this species has declined over last decades thus this study on quality of provided brood stocks and producing fries with suitable quality can help rehabilitation and rearing of this valuable species. Several rivers were considered for providing brooders to keep genetic resources variety of sea stocks. In spawning season 25 (9 male, 16 female) and 30 (5 male, 25 female) brooders were collected from fishermen in Mazandaran rivers and Gyilan coasts provinces respectively. After propagation and larvae rearing, 11500 (10-15 g.) and 50000 (less than 10 g.) juveniles were released in Gyilan and Mazandaran rivers respectively.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Caspian trout ; Salmo trutta caspius ; Brood stocks ; Rehabilitation ; Fisheries ; Species ; Rearing ; Genetic ; Propagation ; Juvenile
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 32pp.
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  • 2
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    The effectiveness of artificial reefs for rehabilitation and production of fisheries in Iran (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: An artificial Reef is a fabricated, underwater structure, typically built for promoting marine life in areas of generally featureless bottom. Creating artificial reefs began from 2000 in southern provinces in Iran. This study has surveyed about the Bushehr and Khozestan states. The objective is to determine the effectiveness of artificial reefs in attracting and enhancing the production different aquatics through increasing of fish assemblage and fishery. The performance of artificial reefs deployed off the coast of the Persian Gulf in 10 to 15m, was evaluated. The reefs comprised of seven artificial and one control (natural) statistical tests plan in three replicates. Three types of artificial reefs were used in this study. That two were designed reefs and one was not designed or used material. The experimental plan consisted (i) Reef ball (R), designed hemispherical shaped; (ii) Laneh Mahi (L), designed pyramid shaped; (iii) Used material (U); (iv) mixed (RL); (v) mixed (RU); (vi) mixed (LU); (vii) mixed (RLU); and (viii) control site (CS). Trap nets and under-water visual census surveys were adopted for seasonal sampling of fish aggregation. Results of statistical analysis using ANOVA and T-test of the mean Catch per Unit Effort (CPUE) showed significant difference (p〈0.05) in term of computing number of fish for aggregation of fishes. The study has concluded that reef deployments have influenced favorably the fish communities and fish harvests. Therefore, the artificial reefs, especially the mixed RLU, are appropriate tools for future fishing enhancement in the Persian Gulf of Iran.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Artificial reefs ; Fisheries ; Marine ; Survey ; Hemispherical ; ANOVA ; CPUE ; Underwater structure
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 188pp.
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  • 3
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    Studying the impacts of the Rainbow Trout farms effluents on Sabzkooh River in Charmahal-va - Bakhtiari Province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Sabzkooh in Ardal and Gandoman region in Charmahal province with annual production of 1300 metric tons of rainbow trout, is one of the most important rivers in the province. The effects of fish farms effluent on the river water quality and the possibilities to develop or limit the existing ones were studied. Flora and fauna of the river including Phyto and zooplankton, macroinvertebrates and fishes were sampled and studied. Moreover some key physico-chemical water quality parameters, concentrations of stable pollutants (heavy metals: Zn, Cu, Fe, Pb, Cd and agricultural poisons (herbicides or pesticides: DDT, Lindane, Alderine and indosulfate) and Coliform contamination were also measured. All phytoplankton genus were of tow taxa, Cianophyta and Chrysophyta and zooplankton fauna belonged to Rotatoria, Protozoa and meroplanktonic chirinomids and nematodes. Four fish species from 3 families were identified of which rainbow trout had the highest relative frequency (94.6%).All the measured heavy metals including Zn, Cu, Fe, Pb, Cd and the agricultural poisons concentrations such as DDT, Lindane, Alderine and indosulfate were lower than the hazardous level suggested for the surface waters. According to the benthic macroinvertebrates populations study, stations at downstream (no. 6 and 7) which received the Chartakhteh and Rudarud farms effluent had least EPT richness and the hilsenhof family level biotic index at this locations was greater than 5.25, classifying them as having organic pollution. Even though measured key physico-chemical parameters such as nutrients (N and P compounds and BOD5) in the receiving stations and effluent water never exceed the maximum permitted range but in downstream stations these factors were very close to the range. One way analyze of variance (P 95%) for TN, TP, No2, NH4, BOD5, pH, PO4 and Ec revealed no significant differences between stations before and just after receiving the effluents, however these parameters in the effluents themselves significantly differ from upstream stations 1,2 and 3 proving relatively lower organic pollution and the potential for constructing new farms or expanding the existed ones in upstream region from Chartagh to Dehnoo. At downstream from Dehnoo to Rudarud and lower parts, dense trout farm effluents in addition with point and non point pollution (municipal, agricultural and other coming run off from the catchments area) had remarkable effects on the river water quality and as a result no farm construction or expansion is recommended. To avoid or reduce the existing farms effects on the river system there should be certainly some remediation actions carried out. Constructing sedimentation ponds before releasing the effluents, obeying the rule of water extracting, preventing fish escape, increasing feeding efficiency and controlling the lateral inlets from catchments area which are potentially pollutant, should be considered to improve the situation and prevent further environmental problems caused by fish farms effluent in these area.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Physico-chemical ; Agricultural ; Rainbow trout ; Effluent ; Pollution ; Fauna ; Phytoplankton ; Zooplankton ; Heavy metals ; Protozoa ; Lindane ; Alderine ; Indosulfate
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 85pp.
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  • 4
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    Molecular Population Genetic of Persian Sturgeon (Acipencer persicus) and Stellate Sturgeon (Acipencer stellatus) using Microsatellite markers (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The fishery stocks of most commercial aquatic stocks in the world have shown declining trends in the past two decades. Several factors have been responsible for the decline of stocks the most important of which over fishing and over-exploitation, pollution, loss of natural habitats and natural spawning grounds, construction of dams and bridges across the important rivers which restrict the migratory routes of spawners, decrease in natural reproduction and rehabilitation of stocks through artificial breeding programs. Over-exploitation of stocks and pollution directly affect decreasing stocks in an ecosystem. Not differentiating between different populations and stocks of a species found distributed in an aquatic ecosystem is considered one of the main factors which causes the depletion of stocks in most ecosystems in the world. In most cases this is because genetic variations in aquatic stocks in the wild are not taken into consideration. Six species of sturgeons are found living in the Caspian Sea and its drainage basin which produce more than 85-90% of the world caviar. The Persian sturgeon (Acipenser persicus) and the stellate sturgeon (Acipenser stellatus) are the main sturgeon species of the Caspian Sea. The Persian sturgeon is mainly found in the south Caspian Sea while the stellate sturgeon stocks are considered shared stocks by the five Caspian littoral states. Due to over fishing in the past two decades the legal catch figures for sturgeon stocks in the Caspian Sea dropped from 28500 tons in 1985 to less than 1500 tons in 2004. Similarly caviar production also dropped from 3000 tons to 110 tons in 2005. With regard to the severe reduction in sturgeon stocks it is necessary to take essential steps before these valuable species are totally wiped out. The fisheries management of the five Caspian littoral states should focus their efforts on identifying the different populations and stocks found in the Caspian Sea. Concerted measures should be taken to study the distribution and biomass of the different populations in order to develop a scientific solution for the sustainable use of these endangered species and to secure the long term conservation of sturgeon stocks. The aim of present study was to evaluate the genetic structure of the population of two species Acipenser persicus and Acipenser stellatus and to develop molecular markers to identify and differentiate different populations of these two species.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Commercial ; Population ; Genetic ; Persian Sturgeon ; Acipencer persicus ; Stellate Sturgeon ; Acipencer stellatus ; Microsatellite markers ; Fishery ; Pollution ; Spawning ; Species ; Aquatic Ecosystem ; Genetic ; Molecular
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 70pp.
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  • 5
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    Evaluation of restocking program in north Alborz (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Gillan , Mazandaran and Gorgan provinces have temperate climate, thus they have more potential for aquatic animal culture. There are thousands hectare of lands for Aquaculure and fisheries in adjacent to Caspian Sea in this provinces. these areas(North alborz) have provided a favorable back ground for aquatic animal breeding and stock enhancement of species in the sea. As a result, this investigation executed during two stages (phases). At first stage, the goal of this project included the feasibility study and demonstrating the existing situation of fish stock enhancement activities in North Alborz area and second phase is to survey on distribution, and production activities of stock enhancing hatcheries as well as their constructions,and production time table. Survey was started frome 2006 to 2008 by using qestionaries in 7 hatcheries from tree provinces.results revieled that there are more than 10 species was subjected to restocking .Total releasing was about 300 millions of fry and finger lings in to the Caspian sea.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Stock Enhancement ; Broodstock ; Production ; Yield ; Artificial propagation ; Bony fishes ; Sturgeon fishes ; Restocking ; Aquatic ; Culture ; Aquaculure ; Fisheries ; Breeding ; Survey ; Hatcheries ; Fry ; Fingerlings
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 191pp.
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  • 6
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    A survey on effects of shrimp aquaculture on the coastal waters of Bushehr (Helleh and Mond) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The effects of aquaculture industry on the environment were evaluated by studying the water quality of Bushehr costal water during culture season 2005 and 2006. The variations of selected parameters such as total phosphorus, ammonia, chlorophyll a, pH, salinity and... Were monitored in effluent canal, influent canal and open sea in Helleh and Mond regions as monthly. Following occurrence of White Spot Disease (W.S.D) in the shrimp ponds of Bushehr province, shrimp culture suspended and entrance of effluent waters completely were blocked since August 2005, despite the absence of aquaculture sewage evaluation of environment and sampling were continued. During releasing of sewage of shrimp ponds to the coastal waters of Bushehr in Jun 2005, the average amount of ammonia in Helleh and Mond were obtained to be 0.161 mg/l and 0.194 mg/l, however the average amount of total phosphorus in Helleh and Mond regions were 0.149 mg/l and 0.043 mg/l, respectively. Although effluent water suspension, amount of ammonia and total phosphorus were increased in both region especially in June 2006. Comparing present data in Jun 2005 and recorded data from culture period 1997-2003 with permitable range of municipal and aquaculture waste show that; aquaculture industry on both regions have not had any obvious negative effect on the coastal waters of Bushehr but it seems if other sources of pollutions in the region is not controlled, then the aquaculture industry can contribute to occurrence of environmental problems.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Survey ; Shrimp ; Aquaculture ; Phosphorus ; Ammonia ; Chlorophyll a ; pH ; Salinity ; White spot disease ; Sampling ; Pollution ; Coastal waters
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 73pp.
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  • 7
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    Hydrology and hydrobiology and environmental pollutions in lower than 10 meters depths of Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The present project in related to survey of factors and hydrology and hydrochemical features (water temperature, dissolve oxygen saturation, pH, clearance, salinity, nitrogen, phosphorus and silicon) hydrobiology (zooplankton, phytoplankton, macrobenthos) and survey of bio environment pollution (oil, heavy metal, detergent) executed in lower 10m in different water larger in southern Caspian Sea in 2002-2003. For sampling 8 lines number were vertical on coast that selected from Astra in west to Gomishan in east in southern Caspian Sea basin. The result indicated the average physical factors such as pH were 8.11 and salinity12.12 ppt ,and disolve oxygen6.7 mg/l. Average chemical factors such as NO2 , NO3 and NH4 were 1.2 µg/l, 25.7 µg/l, 13 µg/l respectively.Total nitogen and organic nitrogen and inorganic nitrogen were 690.2 µg/l , 667.6 µg/l , 41.6 µg/l. Average silicat were recrded 266.35 µg/l . Total Phosphorus was observed 37.35 µg/l and average of organic Phosphorus concentration was and 20.25 µg/l .Average of Total organic matter (T.O.M) was 4.98% maximum amount were observed in Lisar and minimum in Nooshahr . Concentration of heavy metal during sampling were respectively ,Fe〉Mn〉Zn〉Cr〉Ph〉Co〉Cd〉Cu. Maximum concentration of Fe were determined in winter in Nooshahr and Babolsar respectively 13/3 µg/l 17/1 µg/l. In many stations and different Season, the amount of heavy meta were lower standard of in marine water. The concentration of oil hydrocarborate ( PAHs) in autumn was 0/13 ppb and in winter 0/12 ppb. The amount of ( PAHs) in Southern Caspian Sea were Lower than other parts of Caspian Sea. The average of detergent concentration ( LAS) was 0/036 µg/l that was two fold higher than determined in 2001. Total 107 species of phytoplankton belong to 5 phylum were identified. The numbers of species of phytoplankton groups were respectively, chrysophyta (42 species), cyanophyta (17 species), pyruphyta (17 species), chlorophyta (21 species) and euglenophyta (9 species). The maximum diversity of phytoplankton observed in summer and minimum in autumn. High diversity of chrysophta and cyanophyta observed in summer and phyrophyta and chrlophyta in spring. The composition of phytoplanhkton groups were respectively, chrysophyta (70%), phyrophyta (9%) and chlorophyta (7%) and euglonophyta (1%). Maximum density of phytoplankton was observed in autumn and minimum in winter. Total 19 species of Zooplankton were identified. Maximum diversity was observed in summer and minimum in winter. Zooplankton changes during sampling, showed amount of density of zooplankton in 5m were more than 10 m depths. Total (17 species macrobenthos were identified. The composition of macrobenthos groups were respectively , Annalida (92/7% ) , Bivalvia (2/7%) gumarida (108%) cumacea ( 1/5%) , Balanidae 103% . max . density were observed in Astara and min . in Sefied roud Average of density were 1218 0/851 ind /m2 and biomass 14 15 g/m2 High density were recorded in autumn and low density in winter . Correlation of phytoplankton and zooplankton with physicochemical parameter and also relation between total organic matter and sediment grain size were calculated.Ecological indicies (simpson diversity evenns diversity and shanoon-wiever diversity) were calculated for macrobenthos. Data were shown impact of cetenephora (Mnenemiopsis leidyi) on zooplankton and phytoplankton and macrobenthos density.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Phytoplankton ; Zooplankton ; Macrobenthos ; Heavy metals ; Pollution ; Oil pollution ; Detergent ; Hydrology ; Hydrochemistry ; Species
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 111pp.
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  • 8
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    Research and developing a model of innovation systems in fisheries and aquaculture industry (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The "fisheries and aquaculture industry innovation system" is one of the subsystems of Agricultural innovation system (AIS), also has many characteristics of that system .Since this section contains most of the components and AIS institutions, it can be examined as a part of the national innovation system. Due to the structure of the innovation system in the fishery system, a set of functions and institutions of this system are most important .It is therefore important that the system be analyzed and by reviewing the existing state institutions and functions of this system, the main problems and challenges identified. Understanding of the institutions and functions of fishery innovation system and analyze its problems and provide an improved model for fishery innovation system, is most activity in shaping major policy innovation in fishery sector. This step is very important to conduct innovative activities in the fishery sector. In this study, using a system perspective, the current status of the various factors affecting fishery development was assessed and the main drivers and challenges and solutions to improve the detection and analysis was provided. The results show that during the past eighty years, a number of research centers and educational institutions in the public sector have been developed .but this system, despite having considerable institutional capacity, is still in the middle stages of institutional development. In these years, the policy approach was linear, not system approach, so little attention has been to the development of science and technology intermediary institutions, coordinator organizations, venture capital funds, and the institutions of technology transfer ,particularly in the public sector.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fisheries ; Aquaculture ; Agricultural innovation system ; AIS
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 112pp.
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  • 9
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    Study on propagation and breeding of Hamoun fish (shizothoraxzarudnyi) to one gram weight in earthen pond (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Hamoun fish, Schizothorax zarudnyi, is an indigenous species of the eastern waters of Iran, which is exclusively found in this region. However recently drought occurrence in the Chahnimeh reservoirs (a semi natural water body) making them vulnerable to extinction. As an appropriate action to address this problem and according to the 3 side contract between Italian Government – UNDP - Islamic republic of Iran Government and the Italian government financial support to reduce poverty in the Province of Sistan-Baluchestan through the reinforcement and dissemination of aquaculture activities the project was developed at the Hamoun Research Unit by the Chahbahar Fisheries Research Center to record the breeding normative of 1 g weight larvae for restocking and other researching purposes. 331 broodstocks of the indigenous species Shizothorax zarudnyi weighing 800-2450 g were collected from the Chahnimeh reservoirs in early autumn, 2006. From 5/3/2007 ( the project is supported and communicated on 2010) , Ovulation was stimulated with three stimulators; pituitary extract (3-6 mg kg-1 body weight), GnRH-A (20-30 mg kg-1 body weight) and anti dopamine (10-15 mg kg-1 body weight) that was given in 2-3 doses to breeders. Of 169 injected breeders , some were injected On mid March of 2007 (12-13 ºC water tempreture) responded to the injection 25% ,while the rest were injected On April of 2008 (14-16 ºC water tempreture) responded to the injection 65%. In the present project of 167 breeders 82 were female and 87 male. Totally 30 female breeders released their eggs in different stages. 20 female breeders released their eggs completely, 3 breeders released half of their eggs and 7 released 1/3 of their eggs. The male breeders just injected in the final dose of hormontrapy and all were ready for releasing sperms however the ovulation in female breeders occurs between 353-428 h ºC and after the final dose of injection. Ripe eggs were stripped from the females and fertilization was done by the dry method. Fertilized eggs were transferred to veis incubators and troughs. Incubation period for eggs differs and larvae hatch out after about 910 days at an average water temperature of 12.5 °C. Maintained at 13-14 °C, complete absorption of yolk sac in Shizothorax zarudnyi larvae occurred after 5-8 days. Larvae were fed with a mixture of powdered milk and egg yolk in this stage followed by decapsulated Artemia cysts and nauplii of Artemia and then on formulated starter diets used for carps . Because the ponds were not ready, larvae were maintained in troughs for about ten days before they were transferred to two 1200 m2 earthen ponds where they reached a body weight of about 1 g. They were then handed over to the Iranian Fisheries department in the region. Larvae were fed with the starter feed SFCO in the earthen ponds. About 350 thousand larvae were stocked in two earthen ponds. Based on the results of present study and other studies we may conclude that artificial breeding in Schizothorax can be successfully achieved at 14-16 ºC in flow through systems using hormone therapy (combination of GnRha and anti dopamine) and larvae could be easily cultured in earthen ponds. However this species exhibits lower growth rates as compared to carps its high expenses could have an important role in economical feasible.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Economical ; Hamoun fish ; Schizothorax zarudnyi ; Breeding ; Species ; Aquaculture ; Temperature ; Female ; Eggs ; Hormontrapy ; Sperm ; Ovulation ; Larvae ; Fisheries ; Earthen ponds
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 71pp.
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  • 10
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    Limnological study on Zarrineh River (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Limnological studies of the Zarrineh River have been performed in order to identify physicochemical and biological characteristics of this river. Water samples from 14 sites along the river length were examined monthly during a year. The results indicated the river was polluted by Saghez and Miandoab Cities sewage to the extent of poly saprob , the extent of pollution at other sites was within the limits of oligo saprob or meso saprob. The results also showed that all dissolved and mineral compositions in this river was safe for drinking but iron concentration and water hardness in the terminal sites near the Urmia Lake are higher than EPA standards for drinking . This can not, however, pose serious problem for warm water fish culture activities. Domestic sewage seem to be the most important pollution source to this river. Although the self-purification capacity of this river seem to be high but large number of polluting sites along the river exceed this capacity.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Physicochemical ; Biological ; Limnological ; Pollution ; Mineral ; Fish ; Culture
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 71pp.
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  • 11
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    Determination of pollution condition in Babolroud River from viewpoint of pesticides and agrochemicals fertilizers (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Babolroud River is one of the important rivers for fisheries and environmental aspect that locared in center part of Mazandaran province. The river has a span of 92 km starting from Albourz mountainous and end up at the southern part of Caspian Sea. This study was done for five months (3rd Feb. through 5th July, 2008) for the better understanding of pollution situation such as organophosphorous, organochlorine pesticides and agrochemical fertilizer that drainage from paddy fields and horticultures to the river. A total of three main sites for pesticides and plus five sub-sites for drainage were selected for observation in three different regions of the river (mountainous, plain and estuary). The organochlorine and organophosphorous pesticides measured by GC (ECD and TSD detectors) with US-EPA (508) and AOAC procedure and agrochemical fertilizer parameters were measured by ASTM method. The maximum concentrations of aldrin, lindane, heptachlor epoxyde, DDE and β- BHC (period 1), δ- BHC and endrin (peiod 2), heptachlor and DDT (period 3), α- BHC (period 3 & 4), dieldrin (period 4) were 6.02, 0.85, 0.51, 0.50, 0.22, 0.35, 0.23, 0.50, 0.46, 0.19 and 0.16 µg/l, respectively. The maximum concentrations of four components of organophosphorous such as Diazinon and Chlorpyrifos (period 1), Malathion (period 2), Azinphos methyl (period 3) were 1.36, 0.46, 0.44 and 2.56 µg/l, respectively. The maximum amounts of tree components of parameters of agrochemichals fertilizers indictor such as total nitrogen (period 2, sub-site 5), total phosphorus and orthophosphate (period 4, sub-site 5) and organo-phosphorus (period 3, sub-site 4) were 5990, 1290, 1220 and 336 µg/l, respectively. The maximum concentrations of organochlorine pesticides components in sediments of the river such as lindane (period 2, site 2), δ- BHC (period 1 site 3), α- endosulfan (period 1, site 2), endrin and heptachlor epoxide (period 2, site 2) and DDE (period 2, site 1) were 0.99 0.54, 0.29, 0.19 and 0.19 µg/l, respectively. The maximum concentrations of organochlorine pesticides components in fish tissue of the river such as endosulfan sulfate, lindane, endrin, δ- BHC and DDE were 0.32, 0.29 0.27, 0.25 and 0.21 µg/l, respectively.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Agrochemicals ; Organochlorine ; Organophosphorus Pesticids ; Pollutants ; River Fish ; Sediments ; Pesticides ; Fertilizers ; Fisheries ; α- endosulfan
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 81pp.
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  • 12
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    Monitoring of fisheries resources in artificial reefs in east of Kish Island waters (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Artificial reefs are manmade materials deployed under water in order to improve invironment and increase the exploaitation of fishing area. Usage of artificial technic has developed due to increase of world pupolation and need to supply of protein, aim to restoring of natural spicialy rehabilitation of demersal fishes. It has effecte to increase the production in order sustainable exploitation. Coasts and Islands have destruction due to over harvesting from ecosystems and other activities by humans and natural, These caused many aquatic as demersal fishes has endangered in Persian Gulf and Oman Sea. The artificial reef is one way or method that can improve the environment and restore the aquatic. Iranian fisheries has established an artificial reefs area in west of Kish Island. This area has studied during one year, Data of assembeled fishes and physical sampling were collected in seasonal during spring, summer, autumn and winterd. Ther were tow tritment for sampling as artificial reefs site and a control site. Collected data has analyzed and evaluated by SPSS and Exel. The results showed that there was significant difference between the sites and assembled fishes in artificial reefs were more than control site. Consequently the artificial reefs can be a tool and technic to improve the marine environment and increase the production of fishes, especially the demersal fishes.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Coastal Development ; Fish Production ; Marine ; Artificial reefs ; Fisheries ; Population ; Environment ; Demersal fishes
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 72pp.
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  • 13
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    Road-map of aquatic-food processing development of I.R. of IRAN (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Scientific and practical planning for achieving the lofty goals of the Islamic Republic of Iran in the framework of development plan of 1404 is the requirement to achieve sustainable development. Establishing roadmap of industries and products was considered by the scientific and technology office of the deputy president, in order to achieve the abovementioned objectives and in line with the national scientific comprehensive map. Therefore, present study was conducted as the roadmap of national aquatic-food processing development using available approved documents e.g. Iran perspective of 1404, fifth developing plan of I.R. of Iran, developing plan of Iranian fisheries organization in 1400 and the available approved statistical data. Current perspective of the aquatic-food processing is presented at the first chapter of the study. The second chapter reviewed the problems and obstacles. Third chapter tabulated the published studies and researches in fish handling and processing so far. Finally fourth chapter recommends executive and research projects considering quantitative and qualitative objectives of Iran 1400 plan as well as fifth developing plan of Shilat-Iran (Iranian fisheries organization). Authors hope the study to be useful in the national planning of I. R. of Iran in the future.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Road-map ; Aquatic ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 68pp.
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  • 14
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    Ecological study on fisheries important rivers and bays in the south part of the Caspian Sea 2nd phase: Gorgan Bay (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: In this study ichthyoplankton, phytoplankton, zooplankton, benthics and hydrochemistry parameters were studied. 9 out of 11 sampling stations were in the Gorgan Bay area and 2 of them were in the mouth of the Bay. Ichthyoplankton survey were carried out in 6 stations and the other surveys such as phytoplankton, etc were done in 11 stations in 2009. Gorgan Bay map and position of sampling sites are given at the end of material and methods section. Biomass and frequency of phytoplankton at different stations, months and seasons were calculated that are presented in Tables 1 to 3. Hydro-chemical parameters such as water temperature, air temperature, visibility, DO, BOD5, pH, Alkalinity (bicarbonate, carbonate and total) , Hardness (calcium, magnesium), CL,EC, Salinity, N (nitrate, nitrite, NH3), Phosphate were measured and results are shown Table 11 . Biomass (mgr/m3) and numbers (ind./m3) of 47 genus of different phylum of phytoplanktons such as Cyanophyta, Chlorophyta, Pyrophyta, Chrysophyta and Euglenaphyta as well as different phylum of zooplanktons consist of Protozoa, Arthropoda, Rotifera and Cyliophora were estimated. Frequency of phytoplanktons (ind/m3) was 131.2, 1.6, 65.3, 18.9 and 23.8 millions respectively. Furthermore, their biomass was 308.4, 1.9, 1358.9, 295.1 and 124.7 mg/m3, respectively. The maximum and minimum numbers were observed in Leptolingbaya belonged to Cyanophyta and Diatoms of Chrysophyta 84.3 and 0.025 million ( ind/ m3) respectively. The maximum and minimum biomass was observed in Gyrosigma (Chrysophyta) and Tetradron (Chloropyta), 12317.3 and 0.014 mg/m3 respectively. The average biomass of zooplankton was measured 531.74, 30.77, 225.07, and 96.26 mg/m3 respectively and the total was attained 883.83 mg/m3 Table 5 . The maximum and minimum biomass of all zooplanktons was estimated in November and July, 3446.23 and 6 mg/m3 respectively. Furthermore, the maximum and minimum numbers of zooplanktons were found in September and July which were 48.4 and 0.002 millions respectively and the average number was 8.4 ind/m3 Table 4 . Also numbers and biomass (gr/m2) of 11 families of benthos which inhabit Gorgan Bay such as Annelida, Mollusca and Arthropoda were investigated in separated stations and distinctive months. The maximum and minimum biomass of benthos was observed in January (42.91 gr/m2) and March (0.6428 gr/m2). The biomass was considerable in April, February, August and December (Tables: 4, 5 and 6).
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Hydrochemistry ; Ecological study ; Fisheries ; Ichthyoplanktons ; Phytoplankton ; Zooplankton ; Benthic ; Sampling ; Biomass ; Temperature ; Visibility ; pH ; Alkalinity ; Salinity ; Phosphate ; Cyanophyta ; Annelida ; Mollusca
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 97pp.
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  • 15
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    Assessment of Fisheries Resource, Analysis of Fishing and Hunting Status in Hormozgan Province, 1992 (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fisheries ; Resource ; Fishing
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 101pp.
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  • 16
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    Rearing of Indian Craps fries to 1g weight in earthen ponds (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: 30000 juvenile Indian majour carps (Labeo Rohita,Cirhinus merigala, Catla catla) imported (2007 and 2008) and transferred to the earthen ponds in Astaneh Fisheries Research Station (Gilan ) and Sheiban Resaerch center (Khozestan) , In order to assess the viability of rearing fry up to 1 gram fingerlings under the climatic condition of north and south part of Iran . Growth parameters from the larval stage to 1 g were studied also .The fry with 300 mg weight, were released in to 3ponds.specimens were separated to tree experimental categories. fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings.Catla was gain 1 g. during 15 day while Roho and Merigal were gain 1 g. during 14 and 10 days respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility specialy in other provinces like Sistan and Baluchestan were remind for futhre studies.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Earthen ponds ; Fisheries ; Fry ; Fingerlings ; Artificial food ; Oxygen level ; Turbidity ; Fertilizers
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 48pp.
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  • 17
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    Echoenvironmental survey on Fisheries site selection in the Guilan ,Mazadaran and Golestan province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The lack of sustainable management programs has resulted in the drastic decline of sturgeons stocks in the Caspian Sea in the past two decades. Legal catch quotas for all Caspian littoral states has dropped from 28500 tons in 1985 to 460 tons in 2007 while caviar production in the Caspian Sea during the same period decreased from 3000 tons to 70 tons. Caviar production in the I.R. of Iran dropped from 305 tons in 1985 to about 11 tons in 2007. The "Strategic and applied research planning for sturgeon management and conservation" was developed with the collaboration of academicians from universities, researchers, experts, fishery authorities and representatives of the executive government to maintain sustainable development and rational management of sturgeon stocks in the Caspian Sea. The preparation and development of this planning was carried out through 121 sessions (2100 person hours) A comprehensive report (375 pg) was prepared which was divided into five volumes; Volume I comprises an introduction, objectives, strategies and planning, present status of production and caviar harvest, catch and export quotas, revenue generated and release of sturgeon fingerlings, Volume II comprises analysis of the problem by constructing a problem tree with 8 broad categories to analyze 344 problems and an objective tree which is the hierarchic flowchart of objectives with 9 broad categories with 241 items, Volume III comprises a review and analysis of previous and ongoing research (414 projects) on different aspects of sturgeon during the past 40 years, Volume IV comprises prioritizing research objectives outlined by the objective tree and finally Volume V which prioritizes primary objectives for 14 executive and 10 research programs. On the basis of the evaluation of the present status and for the sustainable development and rational management of sturgeon stocks a strategic and applied research planning program was proposed and developed within the framework of three primary objectives; 1) Management and sustainable use of Caspian Sea resources (5 programs), 2) Rehabilitation and restoration of stocks (5 programs), 3) Development of aquaculture (4 programs). The applied research program for each proposed executive program was outlined in 10 programs, 42 comprehensive plans and 222 projects. The primary objective on management and sustainable use of Caspian Sea resources includes 5 programs, 14 comprehensive plans and 63 projects, while the primary objective on rehabilitation and restoration of stocks includes 4 programs, 16 comprehensive plans and 87 projects. The primary objective to address sturgeon aquaculture includes 1 program, 12 comprehensive plans and 72 projects. The impacts and outcome of each of these programs was determined and presented. It is evident that if the present situation persists, the catch figures for adult sturgeon specimens and caviar production in Iran will reach zero in 2021. But if concerted efforts are taken and the proposed strategic and applied research planning program is executed (commencing from 2009) we can put a halt to these declining trends. By producing sturgeon fingerlings to restore population abundances, by conserving and protecting them in the Caspian Sea and by conducting applied research we can produce 206.4 tons of caviar by the year 2033. Apart from harvesting caviar from the Caspian Sea we can also annually produce 3000 tons sturgeon meat and 60 tons farmed caviar starting from the year 2023. The total budget proposed for implementation of this program for a period of 14 years (2008-2022) is USD 2483 million. If this budget is allocated in time and the proposed strategic program is properly and totally implemented, we can not only save many sturgeon populations from extinction but also ensure job opportunities for 6000 fisherman, provide 1480 new job opportunities and annually produce 266 tons of caviar which will generate USD 4957 million.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Sturgeons ; Caviar ; Strategic ; Fingerlings ; Survey ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 164pp.
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  • 18
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    Designing and establishment of ISO/IEC17025 in the research centers affiliated to IFRO The first phase: The Persian Gulf Ecological Research Center, Caspian Sea Ecology Research Center and Iran Shrimp Research Center (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The plan entitled "designing and establishment of ISO/IEC17025 in laboratories of three research centers affiliated to Iran Fisheries Research Organization" was carried out in the frame of three projects from March 2008 for about three years. Among the laboratories of The Persian Gulf ecological research center, the Caspian Sea ecological research center and the national shrimp research center 7, 5 and 3 laboratories were selected for accreditation, respectively. The quality manuals of the test laboratories were written following the requirements of ISO/IEC 17025. During the establishment of the system standardization of the test methods, calibration of the equipment, test methods validation and update and improvement of physical conditions of the laboratories were performed. The technical and quality management competence of the laboratories affiliated to the Persian Gulf ecological research center were evaluated by the auditors from DGA (the German Accreditation System for Testing Laboratories), which is signatory of ILAC (International Laboratory Accreditation Co-operation). But in the case of the two other centers, the laboratories were accredited by Iran Accreditation System (IAS). The laboratories officially accredited, after the successful completion of the accreditation process (including implementation of corrective actions for the detected non-conformities). Production of reliable results of the test methods from national and international scientific organizations' point of view as well as facilitation in development of bilateral and multilateral relations with them can be considered as the advantages of the system establishment. Moreover, exchange of the relevant scientific information and experiences among the researchers will be facilitated
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Ecological ; Physical ; ISO/IEC17025 ; Shrimp ; Standardization ; Laboratories ; Fisheries ; Iran Shrimp Research Center ; Caspian Sea Ecology Research Center ; Persian Gulf Ecological Research Center
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 30pp.
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  • 19
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    Planning and establishment of the laboratory information database system for Iranian fisheries research organization (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Due to lack of access to comprehensive and up-to-date information regarding equipment, personnel, laboratory services tariffs and chemicals in the laboratories of Iran Fisheries Research Institute and felt the necessity of having this information for optimal management of the laboratories, it was decided with regard to all information needs in this area and using previous experiences in this regard as well as the experiences of other institutions and related organizations at the national (and even international) level, the system would be designed. The main purpose of implementing this plan was to establish and implement a software system based on web technology to create a comprehensive database of the Fisheries Research Institute's laboratories, so that in addition to organizing information, using periodic reports on various related areas a more appropriate monitoring and management system could be applied. Fortunately, after the design and implementation stages, the system in early January 2011 was fully applicable. The main parts of this system include portal; database; advanced data entry, search and reporting capabilities; direct tests order system and discussion forums.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Laboratories ; Information Database System ; Fisheries ; Chemical ; Portal ; Iranian Fisheries Research Organization
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 38pp.
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  • 20
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    The fifth developing plan of Iranian Fisheries Research Institute (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Accurate scientific and practical plan for achieving the goals of the Islamic Republic of Iran within the framework of Vision development 1404 , is the infrastructure achieving sustainable development of the country . Order to achieve the above mentioned objectives and in order to the comprehensive development plans in the country, Iranian fisheries research organization adjust the fifth developing plan for support of executive related departments in country with mobilization a large number researchers consists of several working groups of ifro affiliated research centers . The fifth developing plan consist of three chapters for report of the forth developing plan and intrudction of research , construction plans and financial support (budjet) for period of 2011-2014 A.C .
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fisheries ; Aquaculture ; IFRO ; Developing plans ; Fisheries research
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 144pp.
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  • 21
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    An investigation on the pollutions in the Genaveh region (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: For detect pollutions and impact of them on the living organisms in the Genaveh-Kharg region, a survey was planned from September, 1997 to Jan, 1998. Five station were selected on the basis of location of oil industries and ecological variation and one station was selected as a non polluted area in the Emam Hasan region. Monthly specimen of Water and sediment for analysis and measurement of heavy metals, TPHs, planktons and benthos were collected in all stations. Specimen of TPH were analyzed by Gas chromatography and weighting methods and Heavy metals specimen were analyzed by atomic absorption, at lab. The maximum amount of TPHs in water and sediment were 500 mg/liter and 250 mg/kg respectively, however the maximum amount of Zn, Cu, Ni, Pb, Cd and Fe in sediment estimated to be 30.7, 10.3, 37.0, 12.2, 2.0, 8.16 mg/kg respectively. In the polluted stations, density and biodiversity of benthos and plankton specimen were less than non polluted station, in addition Diatoms and Copepods were the most sensitive, although Dinoflagelates and Bivalves showed the most resistance to oil pollution.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Investigation ; Pollution ; Heavy metals ; Density
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 38pp.
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  • 22
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    Hydrology and hydro biology of Babolrood (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Babolrood Hydrological measurements are essential for the interpretation of water quality data and for water resource management. Variations in Babolrood hydrological conditions have important effects on water quality. In rivers, such factors as the discharge (volume of water passing through across-section of the river in a unit of time), the velocity of flow, turbulence and depth will influence water quality. Location and geographic point of wetlands Babolrod River: 36°41'21"N 52°36'1"E. Babolrood Is a river in Mazandaran Province, northern Iran that flows northward from foot of Mount Alborz through Babolsar city, and finally to the Caspian Sea between east Babolsar and west Babolsar. Babolrod is a very suitable river for fish to spawn and breed. This has the result of emphasizing Babolrood hydrology regime of the river flood discharge and precipitations are directly dependent on the amount of water Debbie. Results of studies done on this river also confirmed Hydro biology would employ four special biological area D and C and B and A (Biological in divided zoon) Babolrood in the ruling. Area A: Length of about 4 km from estuary of the river there is containing freshwater and brackish And specific biological markers in this region is the general slope of 1-0% in the coastal region. Area B: Length of about 16 Km (20 Km from estuary) is. Low water flow on the slope of 2-0%, and in this part of the river bed has a medium texture. The Babol and Babolsar Amir Kola Sewage that containing oil and oil directly fall out into the river. Babol slaughterhouse along with the excess ichors' is transported to the river. Pollution, chemical, mechanical and biological part due to its proximity to the estuary of migratory fish spawning and migration Babolrood has shattered. Area C: These parts of River are almost clear water and Rocky River bed and Length of about 44 km (64 km to estuary of). Biological reagents are presented in Map 2-1 percent slope and topography of the area is seen as low. Area D: This area within 64 kilometers long, about 30 km from the estuary of begins. Average slope of 5-2% of the area and the terrain is very variable. Water in this area is rich in oxygen. Flow (Debbie) of water in this region is very high. The savad-koh forests surrounding part of river is the. , And is located at an altitude of about 1500 m above sea level.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Biological ; Chemical ; Mechanical ; Hydrology ; Hydrobiology ; Spawn ; Breeding ; Freshwater ; Brackishwater ; Pollution ; Migration ; Oxygen ; Water quality
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 142pp.
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  • 23
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    Recognation of fishes in rivers and basin of Qom (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study was carried out on rivers, basins & qanat of Qom region during the 1376-1378and Fish samples were taken from 2 permanent rivers (Qomrood ,Ghara_chag)& from some seasonal ones (Tagharood, Zavarian, Vesva, Biraghan). Also local fishes was followed in 100 qanats in the region and Random fish sampling was done in permanent river extension out of province. This study aimed to recognize different fish species in the province water reservoir and estimating the fisheries potential in the province. For fish sampling nets such as mashk, salik, hook and hand tailored were used. Electroshoker was not used at all. Results of fish recognition showed that fish samples belong to 12 species & 4 family of "cyprinidae", "Balitoridae", "cyprinodontidae" and "poecilidae".The qanat fishes of the montain (kahak, Khagestan) and pastora area (Ghanavat,jafarabad) included by two families of "cyprinid", "Balitoridea".In some qanat which were connected to rivers more species of fish and anotherAquatic animal were observed & sampled.At the and map of geographical distribution of local fishes was planned.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Geographical ; Fish ; Samples ; Species ; Fisheries ; Electroshoker ; Cyprinidae ; Balitoridae ; Cyprinodontidae ; Poecilidae ; Aquatic ; Recognation
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 67pp.
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  • 24
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    Water quality based on the species composition and abundance of phytoplankton in Shahid Rajaei Dam- MazandaranProvince(Sari) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Shahid Rajaee Dam was constructed on Tajan River (basin of the Caspian Sea) and it is two arch typed. The major objectives of dam instruction are flood control, irrigation purposes, and electricity power. However the dam is going to supply drinking water for the people. In order to prevent threats of unsuitable water to human health risks and economic losses, it is necessary to monitor the water quality before offering it to people. Many of algal blooms happening in Dams indicate that microbial evaluation is necessary but it is not sufficient.in water quality assessmens. Therefore in order for comprehensive evaluation of water quality, phytoplankton structure and population studied in the reservoir, then some water quality indices calculated based on the obtained information. Seasonal sampling was carried out in the year of 2012. However in summer monthly sampling was performed due to the increasing of algal blooms probability. Water samples were collected in 4 stations which were located entrances of Shirin Rood and Sefid Rood to the lake of dam, Cross of the two entrances and near the crest respectively. Based on the results, 107 phytoplankton species were identified during the period of study. The species were classified in 8 divisions namely Bacillariophyta, Pyrrophyta, Cyanophyta, Chlorophyta, Euglenophyta, Chrysophyta, Xantophyta and Cryptophyta. The numbers of species were 27, 22, 17, 26, 10, 3, 1 and 1 respectively in each phylum. Maximum and minimum values of mean (SE) abundance observed in July and January, 661 (±286) and 10 (±2) million cells/m3 respectively at the surface layer. The values for biomass were 9264(±3242) and 103(±15) mg/m3 which were recorded at the same months. The One way analysis of abundance and biomass data showed temporal significant variances (P〈 0/05), however the spatial variances of data were not significant (P〉 0/05). Bacillariophyta and Pyrrophyta formed more than 95% of phytoplankton abundance and biomass. Abundance percentage of Bacillariophyta was slightly higher than Pyrrophyta While biomass percentage of Pyrrophyta was about 3 fold of the Bacillariophyta. 3 dominant species namely, Cyclotella meneghiniana, Goniaulax polyedra and Ceratium hirundinella formed about 70% of phytoplankton aboundance. Comparison of diversity indices (Shannon and Evenness) showed higher values in May and January; however the indices reached its lowest level (0.58 and 0.16) in August. Water quality assessment using Shannon index showed the lowest quality of water (moderately to high polluted) in July and August. This index demonstrated the highest water quality (slightly polluted) at station 1 and 4 respectively. The results of the water quality assessment using Saproby index (based on the resistant phytoplankton species to organic pollution) also indicated to organic pollution of water in the months of summer. The saproby assessment in stations categorized most of the stations in “moderately polluted” class of organic pollution except at station 4 which was in "slightly polluted" class. In conclusion, the removal (transfer) place and time of water to the water treatment plants.are impratnt because of temporal and spatial variation of water quality due to changes of phytoplankton structure in Shahid Rajaee Reservoir.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Water quality ; Pollution ; Phytoplankton ; Species ; Abundance ; Phytoplankton ; Algal bloom ; Microbial evaluation ; Population ; Sampling ; Bacillariophyta ; Pyrrophyta ; Cyanophyta ; Chlorophyta ; Euglenophyta ; Chrysophyta ; Xantophyta ; Cryptophyta
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 72pp.
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  • 25
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    A study on fishing status and some reproductive characteristics of Klunzinger’s mullet (Lize klunzingeri) in coastal waters of Khuzestan province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Biological characteristics of Liza klunzingeri were studied in two coastal areas, Sajaphi and Bahrekan, of eastern Khuzestan during March to February 2007. Among total 1880 measured fish specimens, 947 specimens were analyzed. The mean value of Gonado-somatic Index (GSI) for the male and female fish were calculated as 0.96± 1.39 and 3.25 ± 3.26 respectively. The GSI value was highest in November and lowest in July. The mean value of condition factor (K) was 1.25± 0.14 in male and 1.21± 0.15 for female. The highest K value were observed in June and the lowest value in February. The lenght at first maturity regardless of sexuality, was found to be 14.5 cm and the time of spawning based on reproduction pattern were determined in Nov- Dec. The length-weight relationship were calculated as Y=0.024L^2.76 (n=226R2=0.72) for males, Y=0.011L^3.00 (n=444R2= 0.78) for females and Y=0.0208L^2.82 (n=670R2 =0.82) for total fishes and also it’s found significant in level lengthweight relationship in (P〈0.05). According to biological characteristics and referring to American fisheries society (AFS) indices and Fuzzy logic expert system, Lize klunzingeri is classified as low vulnerable species.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Lize klunzinger ; Gonado-somatic Index ; GSI ; Condition factor ; Biological characteristics ; Female ; Male ; Specimens ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 39pp.
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  • 26
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    The study of social and economic barriers, fisheries industry development in war-torn regions of Khuzestan (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Without Abstract.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Fisheries ; Economic ; Barriers ; Industry development
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 220pp.
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  • 27
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    Using of benthic indices and GIS maps to determination of biotic health of Khure - Mussa (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Without industrial and urban development and their effects on marine ecosystem, due to high biotic potential, Khure-Mussa would be one of the productive coastal areas. Because of sensitivity and vulnerability to environmental changes this area are classified in sensitive ecologic area. This study was conducted to evaluation ecological health status in Khure-Mussa in the Northwest of Persian Gulf by using benthic indices. Twenty creeks in Khure-Mussa area were set up for study and sampling in four seasons from winter 2008 to autumn 2009. Monthly water sampling for physico-chemical parameters was done by bottle sampler and seasonal samples of surface sediment were collected by Peterson grab sampler (0.125m2) .At each station three samples for macrobenthic study and one sample for grain size analysis and organic matter determination were obtain. Totally, 187589 macrobenthic individual were collected and separated. Among identified groups, Polychaetes with total number108906, Crustacean with total number 46561, Bivalve with total number 14156 and seapen with total number 9841 were the dominant groups and were included 58, 25, 8 and 5 percentage of total number respectively. The highest abundance in the spring and the lowest abundance in the summer were observed. According to mean abundance, Somaily creek and Khure-mussa (3) station showed the highest and the lowest abundance respectively. Seapen is included more than 90 % of total biomass. The range of Shannon diversity index was (1.95-3.58) which the minimum and the maximum values were found in Shipping and Patil station respectively. Significance benthic biological parameters (abundance and richness) in different creeks explained the variation of benthic community structure in studied creeks. In addition, seasonal significant differences were found in these parameters due to seasonal changes in benthic animal s succession. The results of grain size analysis showed that the range of siltclay was (63.6-95.59). According to AMBI index values, all of the studied creeks are classified in slightly pollution level and disturbed condition except for Petrochemical station that placed in moderate pollution level. The BOPA index values in all stations showed more than threshold level (0.19) that means bad and weak ecological condition. The highest and the lowest ITI index values were observed in Oil exporting port station (64.92) and Ghazaleh creek (29.53) respectively. The others were grouped in 30-60 range that means moderate pollution level and disturbed ecological status. The values of ABC (Abundance Biomass Curve) that explained the relation between macrobenthic biomass and abundance, were calculated near zero from 0.1 to -0.1 in all studied creeks that show moderate condition for living animals. In general the studied creeks showed pollution potential and benthic biological parameters indicated downward trend in ecological quality and health status.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Ecological ; Physico-chemical ; Ecological health ; Benthic animals ; Biotic indices ; GIS ; Marine ; Ecosystem ; Sampling ; Macrobenthic ; AMBI ; BOPA ; Pollution ; Biomass ; Abundance ; Parameters
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 226pp.
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  • 28
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    Trout Farms and Other Human activities Effects on Cheshmehkileh River Ecosystem in Tonekabon (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Cheshmehkileh River and adjacent mountainous streams, play a strategic role as a historical axis for anthropogenic civilization, human welfare also habitat and migration pathway of commercial – biologic valuable fishes e.g. Caspian trout, Caspian kuttum, members of Cyprinidae family in south Caspian Sea drainage. Treats such as overfishing of Caspian trout and Red spotted trout stocks in mountainous headwaters, barriers construction and manipulations those are out of river carrying capacity developed by human activities, affected normal function of river as well. Sand mining big factories establishment next to the river, legal and illegal trade of river sediments, direct entry of Tonekabon landfill leakage into the river, development of Rainbow trout farms since 3 decades and huge effluents into the river containing dead fish and types of solids, escapement of cultured Rainbow trouts into the river, … are major minimum factors which needs basic information for integrating inclusively drainage management system. Cheshmehkileh River contains Headwaters of Dohezar (Daryasar & Nusha), Sehezar and Valamroud rivers during 13 monthly sampling phases between September 2009 and October 2010 based on macrozoobenthoses investigations by EPT, EPT/C EPA protocols, measurements of nominated physic-chemical and microbiologic parameters. Probability of Rainbow trouts escapement and invasion, existence, nutrition in Cheshmehkileh environment indeed investigated. Data analysis explained significant differences (P〈0.05) between groups of measured parameters in different sampling stations. Dendogram of clustered analysis based on consolidation of major biologic/ physic-chemical and microbiologic parameters, separated stations No. 1, 3, 2, 4 in one group and remained classified in different groups. Station 8 and 9 similarly separated which expressed general similarities according to Sehezar river environment which were differs in comparison with other stations. Station 11 separated according to its natural quality of water and environment. Similarities between station 10 to Sehezar river stations 8 and 9 expressed general influence of Sehezar River more than Dohezar River in Cheshmehkileh condition especially in station No. 10. High scores of EPT and EPT/C indices in upstream stations 1, 3 and 8 also low score of indices in stations 7, 13 and 6 expressed levels of environment quality between these groups of stations. Maximum average biomass of macroinvertebrates belongs to Trichoptera order in Cheshmehkileh River. Significant decrease of biomass in stations 11, 12 and 13 in comparison with other stations stated environment degradation in mentioned stations relevant to excessive sand mining as well. Pollution resistant groups of invertebrates significantly increased in downstreams against upstream stations. Also disappearing of Plecoptera order in station No. 7, 9, 10 and 13 stated low quality of environment in comparison with upstream stations. Confirmation of effects quality and quantity for point and non-point sources of imported pollutants require specific management considerations in order to present exploitations, pollutants control and emergencies for river monitoring in forthcoming years.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: River ; Pollution ; Aquaculture ; EPTC ; Assessment ; Macroinvertebrates ; Chemistry ; Microbiology
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 138pp.
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  • 29
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    Investigation and comparison of Heavy Metals in sediment ,water and popular fishes of Golestan Province of south Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Golestan coast at south of Caspian Sea is the most important aquasystems, because of its relation to lagoon, bay and fresh water rivers and of its role in life cycle of bony fishes. The study of heavy metals, as a kind of chemical and environmental pollution is an essential program; because, they accumulated in the aquatic environment and human food chain that cause ecological damages. In this study, we determine the concentration of four heavy metals (Cd, Cr, Zn, Pb) in some most consumed fishes, such as Liza auratus, Cyprinus carpio and Rutilus frisii kutum in winter, spring and summer seasons locating at 11 sites (west and east coast, Gomishan Lagoon and Gorgan Bay). The fishes which were caught from the mentioned areas after biometry, immediately freezed and transferred to laboratory for further analyses. Then, water and sediment samples were acid digested and assessed for determination of Cadmium, Lead, Zinc and Chromium levels using atomic absorption spectrometer (AAS). The results showed that the highest concentration of Lead (214.83 ppb) was related to Gomishan Lagoon and the lowest Chromium level (28.83 ppb) was observed in the water specimens sampled from east coast in winter. Otherwise, the highest concentration of Zinc (300.7 ppb) was found in sediment specimens sampled from Gomishan in summer and the lowest concentration of Cadmium (12.7 ppb) in Gorgan Bay in summer. According to the results, the concentrations of heavy metals in liver tissues excised from fishes were higher than that in muscle tissues. Also, there was significant differences were observed between Chromium concentrations in muscle tissue of Cyprinus carpio with sex but there was not for other fish. In this investigation, we found a positive liner relationship between accumulation lead with age for Rutilus frisii kutum. On the other hand, no significant relationship was found between accumulations of heavy metals with age for other fish. Comparison of the resulted mean concentrations of heavy metals with international standards (WHO, UK (MAFF), NHMRC), showed lower concentrations in liver and muscle tissues of sampled fishes.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Chemical ; Environmental ; Ecological ; Heavy metals ; Liza auratus ; Cyprinus carpio ; Rutilus frisii kutum ; Sediment ; Aquasystem ; Bony fishes ; Pollution ; Aquatic ; Specimens ; Muscle tissue ; Sample
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 112pp.
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  • 30
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    Stock assessment of sardine and anchovy in Hormuzgan province with emphasize on fisheries data (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Stock assessment of sardine and anchovy fishes in Persian Gulf and Oman Sea (Hormuzgan province) using fish population dynamics parameters and stock assessments models were carried out to estimate maximum sustainable yield (MSY) from 2010-2012. Results of 16 years (1996-2012) fisheries data analysis showed the mean of CPUE (catch/shooting) were calculated for Gill nets, Beach siene and Purse siene as 134, 988 and 2338 kg/shooting respectively. Relationships of catch and effort were determined for Qeshm area (R2=0.94) , Bandar Lengeh area (R2=0.51) and Jask area (R2=0.73) as a polynominal increasing model. Population dynamics parameters using monthly length frequency of 10540 sardine and 8232 anchovy by FiSAT II from Persian Gulf (Qeshm-Bandar Lengeh) and Oman Sea (Jask) fishing areas. Growth parameters K and L∞ of sadine (Sardinell sindensis) were estimated 1.18 y-1 and 19.1 cm in Persian Gulf and 1.11 y-1 and 19.1 cm in Oman Sea, and also for anchovy (Encrasicholina punctifer) were estimated 1.20 y-1 and 9.2 cm in Persian Gulf and 1.18 y-1 and 9.3 cm in Oman Sea. Anually, 5 cohorts for sardine and 2 cohorts for anchovy were estimated using Bhattacharya method in Persian Gulf and Oman Sea. Natural mortality (M) and fishing mortality (F) were estimated for this species, and exploitation rate of sardine were calculated as 0.58 and 0.44, and exploitation rate of anchovy were 0.54 and 0.34 in Persian Gulf and Oman Sea respectively. Length of catch (LC) were calculated 11 cm and 12 cm, and for anchovy 6.8 cm and 6.6 cm in Persian Gulf and Oman Sea respectively. Length – weight relationships of sardine and anchovy were calculated as isometric growth. Results of this study showed that populations of sardine and anchovy in Qeshm and Bandar Lengeh area are a single-unite stock, no enough evidence for discrimination of sardine and anchovy populations in Persian Gulf and Oman Sea. The mean anuall biomass of sardine and anchovy were estimated using Thompson and Bell model 190000 tones in Hormuzgan province. Maximum sustainable (MSY) of sardine and anchovy were estimated between 59721 and 98309 tones in this area. MSY of sardine were calculated 15222 and 3182 ton and MSY of anchovy were 36237 ton and 5080 ton , for minimum of estimated MSY in Persian Gulf ( Bandar Lenghe-Qeshm) and Oman Sea (Jask) respectively. Using yield per recruit of Beverton and Holt model , F0.1 were estimated averagely 1.75 for sardine and anchovy in Hormuzgan province and its showed the underfishing condition. Survey of catch and efforts trend in sardine and anchovy, defined development phase of small pelagic fisheries in Hormuzgan province.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Sardine ; Anchovy ; MSY ; CPUE ; Population dynamics ; Stock assessment ; Gill nets ; Growth ; Mortality ; Species ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 124pp.
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    The role of the south pacific commission in the development of small-scale fisheries (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Without abstract.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Role ; Commission ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 24pp.
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  • 32
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    A study on water quality and physio- chemicals parameters in surface water, underground water and wastewater of Mangol dam basin (Mazandaran province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study was conducted to determine water quality of surface water (7 stations), ground water (5 stations) and wastewater (4 stations) at Haraz River during instruction of Mangol Dam in 2009-2010. This study is to follow physico-chemical fluctuation of waters and compared the data obtained with previous studies and standard levels. Results of current study showed that annual mean with standard error of temperature, DO, BOD5, COD, HCO3-, CO32-, TA, Ca2+, Mg2+, TH, TSS, TDS, Cl-, PO43-, NH4+, NO2- and NO3- were observed 12.7 (±0.61) centigrade, 10.13 (±0.12), 2.1 (±0.1), 7.71 (±0.99), 28.1 (±6.1), 14.34 (±1.64), 36.30 (±2.33), 64.66 (±2.34), 28.84 (±1.52), 271.62 (±8.41), 0.37 (±0.03), 0.30 (±0.02), 28.02 (±1.96), 0.06 (±0.01), 0.010 (±0.001) and 0.94 (±0.03) mg/l, pH was 8.00 (±0.02) and EC 0.50 (±0.02) ms/cm in surface water. The annual mean with standard error of temperature, HCO3-, CO32-, TA, Ca2+, Mg2+, TH, TSS, TDS, Cl-, PO43-, NH4+, NO2- and NO3- were observed 21.62 (±1.03) centigrade, 54 (±5), 11 (±5), 57 (±5), 208.6 (±42.5), 109 (±23), 1088 (±165), 0.065 (±0.017), 0.97 (±0.11), 317.8 (±76.2), 0.25 (±0.06), 0.06 (±0.01), 0.0007 (±0.0001) and 0.78 (±0.05) mg/l, pH was 7.37 (±0.07) and EC 1.98 (±0.23) ms/cm in underground water. In addition, the annual mean with standard error of temperatute, DO, BOD5, COD, TSS, TDS, and NO3- were observed 12.7 (±0.61) centigrade, 13.59 (±0.87), 9.80 (±0.12), 2.22 (±0.18), 7.54 (±1.02), 0.50 (±0.03), 0.320 (±0.008) and 0.990 (±0.016) mg/l, pH was 7.95 (±0.02) and EC 0.64 (±0.01) ms/cm in wastewater. Quality of surface water of Haraz River and its branches were almost contained suitable for usual applications, but sometimes the quality of surface water based on BOD5 need to more attention for man uses (such as supply of drinking water). In addition, the quality of surface water was relatively suitable for aquatic based on the aquatic standard levels. Results also showed that water quality index (WQI) was declined from upstream to downstream and some parameters were not in standard ranges. The quality of surface water classified in group II at all stations based on water classification rules which it shows serious water quality changes due to environmental destroyed and domestic, agriculture sewage pollutions. Groundwater were affected by different springs at middle and downstream which they caused change physico-chemical characteristics and water quality. Wastewater was classified from good to moderate based on BOD5. The quality of wastewater was declined at donw stream with decreasing DO and pH and increasing BOD5 and pollutants.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Physico-chemical characteristics ; Surface water ; Ground water ; Wastewater ; Temperature ; Aquatic ; Agriculture ; Pollution ; pH
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 86pp.
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  • 33
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    Study of possibilities of aquaculture activities in the Gorgan Bay (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The Gorgan Bay has situated in the South east of the Caspian Sea and water entersthe Bay from the Sea .it covers an area about 450 squar kilometers that is connected to the sea only by the passage of Ashouradeh in the north east of the bay . The water balance is almost constant and is not tidal. In this study, a model made for the bay on the basis of its water quality and quantity. Its reactions evaluated under different qualified scenarios and its surrounding water quality survey during next 29 years. Mike 21 software was used for 2 dimensional modeling . At first hydrodynamic modeling of the bay was done .one of the important factor was water depth which calculated by hydrography method of the bay. Then, a model made for the salinity of the bay. Since, salinity is a stable parameter, a sub-program TM ( Mike 21) which has the ability to make a model from the process of advection – dispersion was used. The amount of Manning (0.025) and Dispersion (50) coefficient calculated simultaneously with calibration of salinity model (D:square meter / second). Results from data verification of salinity model indicated about 3 percent mean error. The pollution dispersion type in the bay evaluated at six points of the bay using the method of dot constant source of pollution. Results showed that around 99.9 percent of pollution decreases under the effect of dilution process till the 100 m distance. Then modeling of dissolved oxygen , Ammonia,nitrite and nitrate was done by using of subprogram ECOLAB at the Mike software To make these models, first the sensitivity analysis of these parameters was done. Important parameters chose for model calibration and then data verified and also the model calibrated. The result of data verification test showed the mean error of oxygen , ammonia , nitrite and nitrate were respectively about 3, 4, 6.3 and 37 percent. Then modeling made according to four different scenarios which defined on the basis of pollutions originated from aquaculture in the bay (scenario 1: aquaculture at the first half year. Scenario 2 : aquaculture at the 2nd half year. Scenario 3: aquaculture at the whole of year. Scenario 4:cultivation of bluga for 3 years). Water quality of the bay and also different amount of aquaculture production surveyed during next 29 years under different scenarios of aquacultures. The places under pollution were included the appropriate places for aquacultures in each scenario that was already determined at the bay .Then the reaction of the Gorgan bay was determined under each scenario. The curves of pollution fluctuations were drawn along with amount of cultivation at the each scenario.At last, appropriate amount of cultivation was calculated at each scenario with considering of self purification of the bay that does not tend to pollution of the bay. On the other hand, the farms arrange, distances between farms and the number of cultivation ponds at the each farm was calculated. Finally, results showed that the aquaculture capacity of the bay is less than 300 tons per year.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Aquaculture ; Salinity ; Pollution ; Dissolved oxygen ; Ammonia ; Nitrite ; Cultivation ; Beluga ; Self purification
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 92pp.
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  • 34
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    The study of pollution in the Gorgan bay (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: From an environmental standpoint bays around the world are very important ecosystems Including the Gulf of Gorgan Bay and thus are important. Which has a relatively low depth, a little flow, temperature appropriate, biogenic materials and abundant food in the sea suitable for children sometimes place (Nursery ground) and also the perfect place for power (Fattening ground) is an early sea fish. In this research effort will be the initial studies on the impact of environmental pollutants on the ecosystem of the Gulf of Gorgan and the quality and quantity of pollution, especially pollution, agricultural pesticides and entering the Gulf of Gorgan and the impact on the ecosystem's the initial assessment and the monitoring of changes in them over the years. The user in the Gulf of Gorgan, agriculture. Pollution from agricultural fields related to pesticides and fertilizers are used in the fields. According to consumer research, and the remaining amount of pesticides in water and sediments of the Gulf of measured, indicated that most of the remains of chlorinated pesticides in sediments of the pesticides used in the agricultural sector In addition, all the toxins in the summer and spring peak. In addition, the DDE concentration compared to other poisons. In the case of other contaminants in the area is now threatened by the Gulf of Gorgan, although not serious, but it seems that the increase in organic matter and reduce the amount of oxygenof the water . the near future to Eutrofication risks in the ecosystem.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Pollution ; Ecosystem ; Temperature
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 50pp.
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  • 35
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    An investigation on possibility of Nile Tilapia (Oreochromis niloticus) feminization under the condition of brackish water in Bafgh (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study was aimed to investigate the effect of different doses of oral diethylstilbestrol (DES) on feminization of Nile tilapia (Oreochromis niloticus) larvae under the condition of brackish water in Bafgh fisheries research center. This Experiment was comprised of two control groups in two replicates and two experimental ones in three replicates. At the beginning of the trial, a number of 2150 larvae were randomly distributed among 10 replicates that were under treatment for 45 days. The diets in two control groups, i.e. non-treated, C1, and ethanol treated feed, C2, and the ones in two experimental groups, i.e. 200 and 400 mg DES/k of feed, E1 and E2, were administrated to 7 day post fertilization (dpf) larvae for a period of 35 days and then until day 45, the larvae were fed with ordinary feed. At the end of the trial, the gender ratio of larvae in different groups was determined by squash test in 50 randomly selected individuals from each replicate. The results showed no significant differences for gender ratios within control groups (respective male to female ratio in C1 and C2 was 47:53 and 57:43). However, the corresponding ratios within experimental ones, fed with 200 and 400 mg DES/k of feed respectively, was significantly different (P〈0.05). Noteworthy that the percent of females between two experimental groups (E1 and E2) was not significantly different (70.0 and 64.7 respectively) but it was significantly different with ratios in experimental groups (P〈0.05). The total body length and live body weight were determined at the begging and then at day 30 and 45, it was randomly measured in 20 larvae from each replicate. At the beginning of the experiment, the mean body weight and total length of larvae was 0.012 gram and 1.03 centimeter respectively. The respective averages at day 30 and 45 were significantly different among groups (P〈0.05). Survival rate was significantly different among groups (P〈0.05), being highest in E1 and E2 respectively whereas lowest in control ones (56.51 and 58.84 in C1 and C2 respectively).
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Experimental ; Nile tilapia ; Feminization ; Diethylstilbestrol ; Brackish Water ; Oreochromis niloticus ; Fisheries ; Fertilization ; Larvae ; Females ; Survival rate
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 34pp.
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  • 36
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    The Study on fishing and resource management of Kilka fisheries within Southern Caspian Sea (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The project of the Study on fishing and resource management of fisheries within Southern Caspian Sea was conducted on the base of an agreementmade between fisheries organization (Shilat) and the Iranian fishery research organization (IFRO) signed in 2010. The study has several phases. The final report of the fishery on fishing and resource management of fisheries within Southern Caspian Sea (Gilan, Mazandaran & Golestan provinces) is consisted of several sections such as: 1- The Survey status of biology and catch of Kilka fishes , Bony fishes and Estrogen fishes and also the status of aquatic resource conservation in the Southern part of Caspian Sea 2- Fishing analysis in the Southern part of Caspian Sea 3- Fisheries development Strategies, policies and plans in the Southern part of Caspian Sea In this survey and library-based study, internal and external environmental factors of shilat activities are considered. Using SWOT analysis method, current situation of fisheries is investigated. In this regard, all fisheries activities were divided into four groups, then, the strengths, weaknesses, opportunities and treats of internal and external environment will be analyzed. A considerable number of tables and matrixes were prepared and policies and strategies as seen of final report were carried out.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Resource management ; IFRO ; Shilat ; Fishing ; Kilka ; Fisheries ; Survey ; Biology ; Bony fishes ; Estrogen ; Environmental factors
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 84pp.
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  • 37
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    Study on Mahshahr creeks (north of Persian Gulf) as protected area (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: In recent years MPAs (Marine Protected Areas) have been known as a flexible tool to improve fishery management as well as to preserve biodiversity in valuable coastal waters habitats. This study was conducted to selecting the sensitive and high potential area that are impacted by several environmental stress and associated habitats are being damaged in Mahshahr creeks in Northwest of Persian Gulf. Study was done in eight creeks from October 2005 to September 2006. Different biotic parameters such as phytoplanktons, zooplankton, macro zooplankton, benthic animals and fishes (trawled species) communities and also physico-chemical parameters and sediments heavy metals were investigated. Different parameters were sampled monthly or seasonal from each creek. Water samples with bottle sampler and sediment were collected by Peterson grab. Several ecological and biological indices based on heavy metals and benthic communities were used. Concentrations of heavy metals were measured by using voltammetric plarography method (Methrom 797). The range and mean concentrations obtained in mg/kg were 35.16-15.03 (27.01) for Cu, 171.41-65.57 (102.672) for Ni, 20.06-4.63 (13.22) for Co, 0.78-0.093 (0.22) for Hg, 379-65.07 (113.7) for Zn, 1.00-0.27 (0.559) for Cd and 29.72-7.09 (14.66) for Pb. To evaluate the levels of sediment contaminations, the background values of the different heavy metals were calculated and contamination factor for each metals and degree of contamination for each creek determined as well. Measured concentrations were compared with International standards. Ultimately the heavy metals contamination factors (Cf) can be arranged as follows: Hg〉 Zn〉 Cu≥ Ni〉 Pb≥ Co 〉 Cd and according to contamination degree (Cd), different creeks can be arranged as follows too: Ghannam〉 Ahmady≥ Zangy〉 Doragh≥ Darvish〉 ghazaleh〉 Patil〉 Bihad Regarding the results some elements such as Hg, Zn and Ni, are at risk level and all of the studied creeks are classified in moderate degree of pollution except Ghannam showing considerable degree of pollution. The benthic invertebrates are a well-established target in evaluations of environmental quality status. The AMBI(AZTI,s Marine Biotic Index) was developed to determine the impacts and the quality status in softbottom marine benthic communities. All creeks are characterized by muddy bottom. Macrobenthic animals, according to their sensitivity to an increasing stress gradient, classified in five ecological groups. In present study due to appearance of dominant species such as Capitella sp and nematodes (as opportunist species), diversity values was reduced. Two way ANOVAs showed only seasonal significant differences in mean abundance (P〈0.05, f=5.712, df:3,21) and Richness index values (p〈0.05, f= 4.975, df=3,21), while all of creeks showed similar biological characters based on benthic communities. According to annual, mean of AMBI (BC) all of creeks classified in ecological group III with slightly pollution, except Darvish that was placed in unpolluted category. In general, according to AMBI and BI values, The most creeks are classified in unpolluted (34%) and slightly pollution (34%) categories except Zangy, Doragh and Patil in summer and also Zangy and Bihad in winter that showed moderate to heavily pollution (32%). The results of chemical quality of sediments, Cf values, Cd values, AMBI Index and water quality and risk Indices have confirmed each other. In general, the Mahshahr creeks are classified in moderate to heavy pollution status. In addition, biological parameters of benthic communities and other biotic parameters have showndescending trend in ecological quality in all of the studied creeks. Communities. According to annual, mean of AMBI (BC) all of creeks classified in ecological group III with slightly pollution, except Darvish that was placed in unpolluted category. In general, according to AMBI and BI values, The most creeks are classified in unpolluted (34%) and slightly pollution (34%) categories except Zangy, Doragh and Patil in summer and also Zangy and Bihad in winter that showed moderate to heavily pollution(32%). The results of chemical quality of sediments, Cf values, Cd values, AMBI Index and water quality and risk Indices have confirmed each other. In general, the Mahshahr creeks are classified in moderate to heavy pollution status. In addition, biological parameters of benthic communities and other biotic parameters have showndescending trend in ecological quality in all of the studied creeks. We used of some criteria for evaluation of biotic potential or sensitivity and also to explain the ecological health level of studied creeks. Positive and negative criteria are classified in three level 1,3 and 5 for low, moderate and high degree of conservation value respectively. According to gained points the creeks Darvish, Doragh and Ghazaleh in high level and creeks Ghannam , Zangy and ahmady in low level of conservation value were classified.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Physico-chemical ; Ecological ; Biological ; Bottom sediments ; Heavy metals ; Contamination factor ; AMBI Index ; Risk Index ; Biodiversity ; Species ; Samples ; Benthic ; ANOVA ; Pollution
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 158pp.
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  • 38
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    SAMUDRA Report No. 60, November 2011 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11174 | 25 | 2013-06-02 15:32:33 | 11174 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-28
    Description: Contents: ITQs in New Zealand.Finfish Farming in Atlantic Canada.Sustainable Small-scale Fisheries.Salmon Aquaculture in Chile.South Africa’s Fisheries Policy.Voluntary Guidelines for SSF
    Description: ISSN 0973-1121
    Keywords: Aquaculture ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 39
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    SAMUDRA Report No. 59, July 2011 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11173 | 25 | 2013-06-02 15:46:04 | 11173 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-28
    Description: Contents: Catch Shares in Fisheries.South Africa’s Small-scale Fishing Policy.WFFP General Assembly.Ecolabels and Sustainable Seafood in the UK.MPAs in Costa Rica.Indigenous Fishing Rights in Chile
    Description: ISSN 0973-1121
    Keywords: Aquaculture ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 40
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    Yemaya, No. 41, November 2012 (2021)
    International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11184 | 25 | 2015-09-24 08:22:47 | 11184 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: ISSN 0973-1156
    Keywords: Aquaculture ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 41
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    Yemaya, No. 42, March 2013 (2021)
    International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11185 | 25 | 2015-09-24 08:21:49 | 11185 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Keywords: Aquaculture ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 42
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    Yemaya, No. 37, July 2011 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11180 | 25 | 2015-09-24 08:24:52 | 11180 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: ISSN 0973-1156
    Keywords: Aquaculture ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
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    Yemaya, No. 40, July 2012 (2021)
    International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11183 | 25 | 2015-09-24 08:23:16 | 11183 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Keywords: Aquaculture ; Fisheries ; Sociology
    Repository Name: AquaDocs
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    Yemaya, No. 39, March 2012 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11182 | 25 | 2015-09-24 08:23:48 | 11182 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: ISSN 0973-1156
    Keywords: Aquaculture ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
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    Workshop and Symposium on Sustainable Small-scale Fisheries: Towards FAO Guidelines on Marine and Inland Small-scale Fisheries, 19-21 September, 2011, Kolkata, West Bengal, India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11191 | 25 | 2013-06-18 07:24:20 | 11191 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: The workshop and symposium titled Sustainable Small-scale Fisheries: Towards FAO Guidelines on Marine and Inland Small-scale Fisheries was jointly organized by the National Fishworkers’ Forum (NFF) and the Society for Direct Initiative for Social and Health Action (DISHA), in collaboration with the International Collective in Support of Fishworkers (ICSF).The workshop was the first in a series of consultations around the world organized to discuss the Voluntary Guidelines on Small-scale Fisheries (VGSSF) and propose measures, keeping in mind the interests and concerns of small-scale fisheries and fishing communities. The workshop was also a forum to make the role of small-scale fisheries and fishworkers more visible in the context of food security, poverty alleviation and sustainable use of fishery resources.The workshop had 62 participants from both the marine and inland sectors, representing 10 States of India. The participants included fishworkers, representatives of fishworker organizations, policymakers and representatives of multilateral organizations. The workshop was structured to facilitate active interaction and discussion among participants, taking into account linguistic diversity and the contextual differences of the marine and inland sectors.This publication will be useful for fishworkers, fishworker organizations, researchers, policymakers, fish farmers, members of civil society and anyone interested in small-scale fisheries and livelihoods.
    Description: ISBN 978-93-80802-07-7
    Keywords: Fisheries ; Planning ; Policies ; Small-scale Fisheries
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    International legal instruments relevant to fisheries and fishing communities : a handbook. Introduction (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11292 | 6 | 2015-05-30 00:54:23 | 11292 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: This handbook provides detailed information for a wide range of legal instruments relevant to fisheries and fishworkers. It covers 114 legal instruments, categorized into the following seven themes: Theme I. Human Rights, Food Security, Women and Development.Theme II. Environment and Sustainable Development.Theme III. Oceans and Fisheries Management.Theme IV. Environmental Pollution Theme V. Fishing Vessels and Safety at Sea Theme VI. Labour Theme VII. TradeThe handbook also includes the working of the instruments (decision-making bodies, monitoring and implementation agencies, periodicity of meetings, rules for participation in meetings of the decision-making bodies and implementation agencies for States and non-governmental organizations), regional instrument and agencies. Apart from being a ready reckoner to the instruments, it highlights the important sections of relevance to fisheries or small-scale fisheries and fishworkers.The companion CD-ROM provides the full texts of the instruments in a searchable database. The handbook will be useful for fishworker and non-governmental organizations, and also for researchers and others interested in fisheries issues.
    Description: Part of an 8 volume set. ISBN 81-902957-8-0 (Set) Principal Researchers: Ramya Rajagopalan and Ahana Lakshmi
    Keywords: Environment ; Fisheries ; Law
    Repository Name: AquaDocs
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    International legal instruments relevant to fisheries and fishing communities : a handbook. Theme V. Fishing vessels and safety at sea (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11297 | 6 | 2015-05-30 00:57:45 | 11297 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: This handbook provides detailed information for a wide range of legal instruments relevant to fisheries and fishworkers. It covers 114 legal instruments, categorized into the following seven themes: Theme I. Human Rights, Food Security, Women and Development.Theme II. Environment and Sustainable Development.Theme III. Oceans and Fisheries Management.Theme IV. Environmental Pollution Theme V. Fishing Vessels and Safety at Sea Theme VI. Labour Theme VII. TradeThe handbook also includes the working of the instruments (decision-making bodies, monitoring and implementation agencies, periodicity of meetings, rules for participation in meetings of the decision-making bodies and implementation agencies for States and non-governmental organizations), regional instrument and agencies. Apart from being a ready reckoner to the instruments, it highlights the important sections of relevance to fisheries or small-scale fisheries and fishworkers.The companion CD-ROM provides the full texts of the instruments in a searchable database. The handbook will be useful for fishworker and non-governmental organizations, and also for researchers and others interested in fisheries issues.
    Description: Part of an 8 volume set. ISBN 81-902957-8-0 (Set) Principal Researchers: Ramya Rajagopalan and Ahana Lakshmi
    Keywords: Environment ; Fisheries ; Law
    Repository Name: AquaDocs
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    International legal instruments relevant to fisheries and fishing communities : a handbook. Theme III. Oceans and fisheries management (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11295 | 6 | 2015-05-30 00:56:28 | 11295 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: This handbook provides detailed information for a wide range of legal instruments relevant to fisheries and fishworkers. It covers 114 legal instruments, categorized into the following seven themes: Theme I. Human Rights, Food Security, Women and Development.Theme II. Environment and Sustainable Development.Theme III. Oceans and Fisheries Management.Theme IV. Environmental Pollution Theme V. Fishing Vessels and Safety at Sea Theme VI. Labour Theme VII. TradeThe handbook also includes the working of the instruments (decision-making bodies, monitoring and implementation agencies, periodicity of meetings, rules for participation in meetings of the decision-making bodies and implementation agencies for States and non-governmental organizations), regional instrument and agencies. Apart from being a ready reckoner to the instruments, it highlights the important sections of relevance to fisheries or small-scale fisheries and fishworkers.The companion CD-ROM provides the full texts of the instruments in a searchable database. The handbook will be useful for fishworker and non-governmental organizations, and also for researchers and others interested in fisheries issues.
    Description: Part of an 8 volume set. ISBN 81-902957-8-0 (Set) Principal Researchers: Ramya Rajagopalan and Ahana Lakshmi
    Keywords: Environment ; Fisheries ; Law
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    Yemaya, No. 43, July 2013 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11303 | 25 | 2015-09-24 08:21:14 | 11303 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: South Africa- Shifting livelihoods, Viet Nam-Strengthening livelihoods, Chile - gains and challenges, Uganda- making changes possible, Maritza Mena from Costa Rica, Ground-breaking gender indicators, You tube resources
    Description: ISSN 0973-1156
    Keywords: Conservation ; Fisheries ; Policies ; women ; livelihoods ; MPAs ; theatre ; feminism
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    SAMUDRA Report No. 65, July 2013 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11301 | 25 | 2015-05-19 15:10:57 | 11301 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: Sticky issues - An update on the recent SSF guidelines, Forced into slavery- New Zealand, Grabbing oceans- MPAs fail to recognize human-rights issues, Getting rights wrong- GPO ignores the voices of SSF people, Smoking kilns- artisan fishers on the map, Depending on mangroves- Vietnam, Statement made at the GDF on work in fishing convention, fishy partnership- proposed GPO, Champion for fishers - Rolf Willmann
    Keywords: Conservation ; Fisheries ; Management ; Policies ; Sociology ; Forced labour ; fishing rights ; GPO ; small-scale fisheries ; MPAs ; mangroves
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    SAMUDRA Report No. 63, November 2012 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/11177 | 25 | 2013-06-02 15:22:23 | 11177 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-28
    Description: Contents: CBD COP11. Fisheries and the Right to Food.Indonesia’s Flying Fishermen.Subsidies and Fisheries in Chile.Fishing People of the North.Women Seaweed Harvesters.
    Description: ISSN 0973-1121
    Keywords: Aquaculture ; Fisheries ; Pollution ; Sociology
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    Regional study on social dimensions of MPA practice in Central America: cases studies from Costa Rica, Nicaragua, Honduras and Panama (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11228 | 25 | 2013-07-05 06:44:37 | 11228 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: This research focuses on the social dimensions of marine conservation, and makes an assessment of the experiences of coastal and fi shing communities with regard to the governance of MPAs in Central America, based on case studies from Honduras, Nicaragua, Costa Rica and Panama. It examines the national contexts of the above countries in relation to the governance of MPAs. Furthermore, it analyzes the social impacts of MPAs on coastal communities by gathering the experiences and the voices of the communities and institutions involved, and reflects on how to build bridges in the search for forms and models of conservation that respect human rights and which are able to successfully integrate into local development efforts without affecting cultural and/or social patterns. To this end, this monograph looks at nine case studies across the region: in Honduras, the Islas de la Bahia-Guanaja Marine National Park, the Cayos Cochinos Marine Archipelago Natural Monument, and the Cuero and Salado Wildlife Refuge; in Nicaragua, the Chacocente Wildlife Refuge; in Costa Rica, the Guanacaste Conservation Area, the Ballena Marine National Park and the Golfo Dulce Responsible Fishing Area; and, in Panama, the Nargana Protected Area, in the Comarca de la Biosfera Guna-Yala, the Bastimentos Island Marine National Park, and Bocas del Toro.
    Keywords: Conservation ; Fisheries
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    Getting it right: incorporating social aspects into MPA planning and implementation (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11229 | 25 | 2013-09-01 09:08:46 | 11229 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: This brochure summarizes a series of case studies done in nine countries—Brazil, India, Indonesia, Mexico, Senegal, South Africa, Spain,Tanzania and Thailand—on the role of communities in the planning and implementation of marine protected areas (MPAs).The studies demonstrate that communities can be powerful allies in efforts for conservation and management of coastal and marine resources. They also underline the need for systematic attention, capacity building, funding and other resources for effective implementation of Programme Element 2 on governance, participation, equity, and benefit sharing of the Programme of Work on Protected Areas (PoWPA) of the Convention on Biological Diversity (CBD).
    Keywords: Conservation ; Fisheries ; Sociology
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    Women fish vendors in Mumbai: Workshop report, 2-3 December 2012, Tata Institute of Social Sciences (TISS), Mumbai, India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11235 | 25 | 2013-09-01 09:03:20 | 11235 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-29
    Description: ISBN 978-93-80802-10-7
    Keywords: Fisheries ; Policies ; Sociology
    Repository Name: AquaDocs
    Type: monograph
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    Fishery-dependent livelihoods, conservation and sustainable use of biodiversity: the case of marine and coastal protected areas in India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11231 | 25 | 2013-06-20 10:42:00 | 11231 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-24
    Description: The lacunae in fishing-community engagement in the management and governance of marine and coastal protected areas (MCPAs) were discussed in the 2009 Chennai Workshop organized by the International Collective in Support of Fishworkers (ICSF). To continue the discussion, a second, two-day workshop to review existing legal and institutional mechanisms for implemention and monitoring of MCPAs, titled ‘Fishery-dependent Livelihoods, Conservation and Sustainable Use of Biodiversity: The Case of Marine and Coastal Protected Areas in India’, was held in New Delhi during 1-2 March 2012.The objective was to understand the impact of MCPAs on fishing communities, from an environmental-justice and human-rights perspective, and make specific proposals for better conservation while securing the livelihoods of small-scale fishers. The workshop also served to underscore these issues in light of the upcoming Conference of the Parties (COP) to the Convention on Biological Diversity (CBD), to be held at Hyderabad in October 2012.This publication contains the prospectus of the workshop and a report of the proceedings. It will be useful for fishworkers, non-governmental organizations, policymakers, trade unions, researchers and others interested in natural resource management and coastal and fishing communities.
    Description: ISBN 978-93-80802-08-04
    Keywords: Conservation ; Fisheries ; Sociology
    Repository Name: AquaDocs
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    Recasting the Net: Defining a Gender Agenda for Sustaining Life and Livelihoods in Fishing Communities (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/4514 | 25 | 2011-09-29 16:18:30 | 4514 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Thirty-nine participants from 18 countries, including women fishworkers, representatives of fishworker organizations and NGOs, activists and researchers, met at Mahabalipuram, India, during 7-10 July 2010, to discuss the theme “Recasting the Net: Defining a Gender Agenda for Sustaining Life and Livelihoods in Fishing Communities”.The workshop was meant to reflect on what needs to be done to develop a ‘gender agenda’ for sustaining life and livelihoods in fisheries. It was also organized against the backdrop of the growing international recognition of small-scale fisheries and efforts to enhance their contribution to food security and poverty alleviation, as evidenced in the deliberations of the the Committee on Fisheries (COFI) of the Food and Agriculture Organization of the United Nations (FAO).This publication—the proceedings of the Mahabalipuram workshop—will be useful for fishworker organizations, gender activists, researchers, policymakers, fish farmers, members of civil society and anyone interested in gender, fisheries and livelihoods. (PDF contains 89 pages)
    Keywords: Management ; Fisheries ; Policies
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    Yemaya, No. 35, November 2010 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/4796 | 25 | 2015-09-28 08:46:12 | 4796 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-06
    Keywords: Conservation ; Fisheries ; Planning ; Sociology
    Repository Name: AquaDocs
    Type: monograph
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    SAMUDRA Report No. 57, November 2010 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/4795 | 25 | 2013-06-02 14:48:48 | 4795 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-06
    Description: Mackerel mayhem: On the ongoing dispute in northernEurope over the boom in mackerel stocks.Small and mighty: The Banjul civil society declaration onsustainable livelihoods in African fisheries.Building partnerships: The case of Red Sea fisheries management shows how fishers’ rights can be strengthened.The write stuff: The website of Comité Local des Pêches LeGuilvinec celebrates its second anniversary.Frankenfish salmon: The United States is close toapproving genetically engineered salmon.Trawl brawl: Indian and Sri Lankan fishermen have workedto co-exist in the Palk Bay.Tsunami recovery: On the traditional tenure system of the fishing community of Juan Fernández.New goals from Nagoya: The Nagoya meeting of the Convention on Biological Diversity made some progress.Beyond Bangkok: The civil society workshop in Costa Ricafocused on small-scale fishers in Latin America.Securing small-scale fisheries. Recommendations adopted at the San José FAO workshop dealt with small-scale fisheries. (PDF contains 56 pages)
    Keywords: Fisheries ; Management ; Sociology
    Repository Name: AquaDocs
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    Time for a Sea Change: a Study of the Effectiveness of Biodiversity Conservation Measures and Marine Protected Areas Along Southern Thailand’s Andaman Sea Coastline (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/4227 | 25 | 2011-09-29 16:22:00 | 4227 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-06-30
    Description: This study examines how Thailand’s biodiversity conservation measures affect fishing communities, especially in the marine protected areas (MPAs) on the Andaman Sea coastline. It documents the various efforts of the local fishing communities to protect the resources in the area. Also included are recommendations for government agencies, civil society and the international community. [PDF contains 94 pages]
    Keywords: Conservation ; Fisheries ; Information Management ; Policies
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    Samudra Revista Núm. 83, Septiembre 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27166 | 25 | 2021-02-27 21:36:35 | 27166 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: Publicación virtual de un nuevo número de la Revista SAMUDRA en castellano. El último número de la Revista SAMUDRA, publicación cuatrimestral del Colectivo Internacional de Apoyo al Pescador Artesanal (CIAPA), se encuentra disponible en lengua española en:
    Keywords: Fisheries ; ICSF ; Samudra Report ; Small-scale fisheries ; Indonesia ; United States ; Brazil ; Malawi ; Ghana ; Indonesia ; Timor-Leste ; India ; Nigeria ; Pacific Islands ; COVID ; Food Security ; Southern African Development Community (SADC) ; Amazonian ; indigenous communities ; livelihoods ; vulnerability
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    Rights first, rights forever: small-scale fisheries and fishing communities from a human-rights perspective. A collection of articles from SAMUDRA report (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17027 | 25 | 2015-05-20 05:45:53 | 17027 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Description: Small-scale and artisanal fisheries contribute about two-thirds of the global fish production destined for direct human consumption. They also accommodate over 90 per cent of those who make their living from fisheries. Women comprise at least half the workforce in small-scale fisheries. Despite the important contributions made by small-scale fisheries to poverty eradication and food security, small-scale fishers and fishworkers continue to be marginalized at different levels. It is in this context that the Committee on Fisheries (COFI) of the Food and Agriculture Organization of the United Nations (FAO) has developed the Voluntary Guidelines for Securing Sustainable Small-scale Fisheries in the Context of Food Security and Poverty Eradication (SSF Guidelines).
    Keywords: Fisheries ; ICSF ; VGSSF ; voluntary guidelines ; FAO ; COFI ; Samudra articles ; human rights ; small scale fisheries ; fishing communities ; human rights-based approach ; women ; fishworker organizations ; civil society organizations ; policy makers ; NGO ; WFFP ; rio declaration
    Repository Name: AquaDocs
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    Towards socially just and sustainable fisheries: ICSF workshop on implementing the FAO voluntary guidelines for securing sustainable small-scale fisheries in the context of food security and poverty eradication (SSF guidelines) report, 21 to 24 July 2014 , Puducherry, India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17033 | 25 | 2015-05-19 08:26:00 | 17033 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Description: This publication is a report of the proceedings of the ICSF Pondy Workshop, which focused on the FAO’s Voluntary Guidelines for Securing Sustainable Small-scale Fisheries in the Context of Food Security and Poverty Eradication (SSF Guidelines). The workshop brought together 71 participants from 20 countries representing civil society organizations, governments, FAO, academia and fishworker organizations from both the marine and inland fisheries sectors. This report will be found useful for fishworker organizations, researchers, policymakers, members of civil society and anyone interested in small-scale fisheries, food security and poverty eradication.
    Keywords: Fisheries ; Sociology ; international conferences ; vgssf ; ssf guidelines ; FAO ; voluntary guidelines ; sustainable fisheries ; food security ; poverty ; small scale fisheries ; sustainable management ; ICSF ; reports ; India ; Tamil Nadu ; The Netherlands ; Costa Rica ; Honduras ; Caribbean ; West Africa ; Thailand ; Indonesia ; Brazil ; Africa ; Latin America
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    Solving the puzzle: social and cultural dimensions of marine and coastal protected areas (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17036 | 25 | 2015-05-19 08:31:42 | 17036 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Keywords: Fisheries ; ICSF ; MPAs ; protected areas ; marine fisheries ; MPA publications
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
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    Fishing communities and sustainable development in Eastern and Southern Africa: the role of small-scale fisheries, 14 to 17 March 2006, Dar es Salaam, Tanzania (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17087 | 25 | 2015-05-31 16:58:35 | 17087 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Keywords: Fisheries ; Sociology ; ICSF ; Conferences ; Eastern and Southern Africa ; Small scale fisheries ; fishing communities ; sustainable development ; Africa ; ESA Fish Workshop ; Western Indian Ocean Marine Science Association ; WIOMSA ; co-management ; conservation ; Eastern Africa ; community based management ; aquaculture ; trade ; gender ; alternate livelihood ; fishworkers organizations ; Masifundise Development Trust
    Repository Name: AquaDocs
    Type: book
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    Guia do CIAP: apresentando a Convenção do Trabalho na Pesca, 2007 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17163 | 25 | 2015-06-07 17:01:46 | 17163 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Description: Tradução (à base da versão inglesa) de Ave Cleto Afonso (Goa). The English, Gujarati, Marathi, Telugu, Malayalam, Odia versions have ID=1561 The French, Thai, Khmer, Bahasa and Burmese versions have ID=11260
    Keywords: Fisheries ; Law ; ICSF ; ILO ; fishing convention ; labour ; labour standards ; fishing communities ; fishermen
    Repository Name: AquaDocs
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    Format: 52
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    Where tradition is a way of life: traditional knowledge in the U.T. (Union Territory) of Lakshadweep, India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17145 | 25 | 2015-06-01 18:09:00 | 17145 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Keywords: Fisheries ; India ; Lakshaweep ; U.T. ; traditional knowledge ; local communities ; marine ecosystems ; livelihood ; Andaman and Nicobar Islands
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 21
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    Voluntary guidelines for securing sustainable small-scale fisheries in the context of food security and poverty eradication: summary (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/16975 | 25 | 2015-05-16 09:06:23 | 16975 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-09
    Description: The Voluntary Guidelines for Securing Sustainable Small-scale Fisheries in the Context of Food Security and Poverty Eradication (SSF Guidelines) were adopted by member countries of the Food and Agriculture Organization of the United Nations (FAO) and were officially approved as an international instrument in June 2014. What is very special about the SSF Guidelines is that it was created as a result of a very long history of the struggles of small-scale fishworkers around the world appealing for greater recognition of their status and their role in the fisheries sector of their countries. These Guidelines have 100 paragraphs which are distributed across 13 sections. This document is only a summation of the contents of the Guidelines. It was produced for ICSF by John Kurien, founder Member of ICSF, who has worked for the last four decades with small-scale fishing communities in many areas around the world, particularly in Kerala, India.
    Description: Bay of Bengal Large Marine Ecosystem (BOBLME) Project
    Description: The full text of the Voluntary Guidelines for Securing Sustainable Small-scale Fisheries in the Context of Food Security and Poverty Eradication, is available at: http://www.fao.org/fishery/topic/18240/en
    Keywords: Fisheries ; ICSF ; India ; FAO ; VGSSF ; International Instruments ; Food Security ; Poverty ; Small Scale Fisheries ; Sustainable Fisheries ; Sustainable Management ; Human Right ; Gender ; Equality ; Equity ; Socio-economic Aspects ; Governance ; Responsible Management ; CCRF ; Capacity Building ; Transboundary ; Accountability ; Climate Change ; Disaster Management ; Monitoring
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    A participatory study of the traditional knowledge of fishing communities in the Gulf of Mannar, India (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/16974 | 25 | 2015-05-16 09:07:55 | 16974 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-09
    Description: This is the first in a series of case studies undertaken by the International Collective in Support of Fishworkers (ICSF) to document the traditional knowledge of fishing communities dependent on marine and coastal resources in protected and conserved areas in different parts of the world. The study, done with the support of the Bay of Bengal Large Marine Ecosystem (BOBLME) project, documents the traditional knowledge of fishing communities in the Gulf of Mannar in the state of Tamil Nadu. It focuses on two fishing villages, Chinnapalam and Bharathi Nagar, whose communities have traditionally depended on Krusadai and Appa Islands for their livelihood. Traditional knowledge relating to oceanographic, meteorological, biological, ecological and navigational aspects of fisheries was documented. The study will be useful for researchers, students, scientists, policymakers, fishworker organizations, NGOs and anyone interested in the traditional knowledge of local fishing communities related to marine biodiversity and the customary use of fisheries resources and fishing practices.
    Keywords: Fisheries ; India ; Tamil Nadu ; Traditional Knowledge ; Fishing Communities ; Gulf of Mannar ; Traditional Fishing ; Coastal Communities ; Customary Rights ; Seaweed ; Women ; Fishing Village ; National Parks ; Islands ; Protected Areas ; Case Studies ; Marine Biodiversity ; Ecology ; Fishing Methods ; Conservation ; Traditional Communities ; The Communities of Chinnapalam and Bharathi Nagar ; Ramanathapuram District ; Tamil Nadu ; India
    Repository Name: AquaDocs
    Type: monograph
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    The Sundarbans fishers coping in an overly stressed mangrove estuary (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/16973 | 25 | 2015-05-16 08:40:52 | 16973 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-09
    Description: The fishing community of the Sundarbans are the human group most at home in the mud-slush-water-forest environment of this famous mangrove estuary. Their skills, knowledge, and technique have developed in response to a challenging environment. Yet, of the countless studies on the various aspects of this eco-region, there are exceedingly few that have studied the Sundarbans fisher in his/her ecological, historical and demographic context—as a key stakeholder in an environment under considerable stress. The present study seeks to reduce this lacuna a little. Its object is not merely to examine and analyse, but also to identify means, both tradition-based and innovative, which might contribute to protect the environment, improve economic conditions, and usher in people-based governance of resources.
    Keywords: Conservation ; Fisheries ; India ; Sundarban ; Mangroves ; Estuary ; Fishing Communities ; Environmental Conservation ; Traditional Fishing ; Stakeholder ; Community Based Management ; Ecology ; Habitat ; Governance ; Traditional Knowledge ; Protected Areas ; Fish Species ; Case Studies
    Repository Name: AquaDocs
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    Marine protected areas and small-scale fisheries in South Africa: promoting governance, participation, equity and benefit sharing (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17024 | 25 | 2015-05-19 09:02:00 | 17024 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Description: This monograph studies the progress achieved by conservation partners in South Africa on the implementation of the Convention on Biological Diversity (CBD) Programme Element Two components of governance, participation, equity and benefit sharing, from the perspective of small-scale fishing communities. It explores the strategies and mechanisms used by different authorities to create the conditions whereby local communities can benefit from marine protected areas (MPAs), of which South Africa has gazetted 24, highlighting examples of best practice. The monograph will be useful for researchers, scientists, fishworker organizations, environmentalists and anyone interested in the protection of marine biodiversity and the promotion of sustainable fisheries management.
    Keywords: Fisheries ; South Africa ; MPA ; protected areas ; small scale fisheries ; governance ; benefit sharing ; equity ; gender ; ICSF ; case studies
    Repository Name: AquaDocs
    Type: monograph
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    Enhancing capacities of fishing communities: ICSF-BOBLME sub-regional dialogue on labour, migration and fisheries management. Report of the proceedings, 11 to 13 December 2013, Chulalongkorn University,Thailand (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17026 | 25 | 2016-01-12 17:30:16 | 17026 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Description: This report on the “Sub-regional Dialogue on Labour, Migration and Fisheries Management”, held at Chulalongkorn University, Bangkok, Thailand, from 11 to 13 December 2013, highlights the issue of migrant labour on board fishing vessels and the problems migrant workers face in their workaday lives. This report will be useful for students, researchers, activists and anyone else interested in matters related to fisheries and small-scale fishing communities.
    Description: Bay of Bengal Large Marine Ecosystem Project (BOBLME)
    Keywords: Fisheries ; international conferences ; ICSF ; BOBLME ; reports ; labour ; migration ; labour rights ; fishermen ; conditions of work ; living conditions ; fishing communities ; Myanmar ; Cambodia ; Lao PDR ; Thailand ; fisheries management ; civil society organizations ; fisheries legislation ; fisheries policy ; fishworkers organizations
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    Diverse areas: marine protected areas and small-scale fishing communities: a collection of articles from SAMUDRA Report (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17150 | 25 | 2015-08-25 15:08:10 | 17150 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Keywords: Fisheries ; samudra dossier ; fishermen ; small scale fisheries ; protected areas ; MPA ; marine protected areas ; fishing communities
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
    Format: 48
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    Post-tsunami rehabilitation of fisheries livelihoods: ICSF information dossier (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17151 | 25 | 2015-06-02 18:21:09 | 17151 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-10
    Keywords: Fisheries ; Sociology ; tsunami ; ICSF ; livelihood ; natural disasters ; disaster management ; fishermen ; fishing communities ; coastal communities ; impact ; fisherfolk
    Repository Name: AquaDocs
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    Yemaya, No. 23, November 2006 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17986 | 25 | 2015-09-24 08:41:09 | 17986 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
    Type: monograph
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    Yemaya, No. 15, March 2004 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17994 | 25 | 2015-09-24 08:42:53 | 17994 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 13, July 2003 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17996 | 25 | 2015-09-24 08:47:24 | 17996 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
    Type: monograph
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    Yemaya, No. 48, March 2015 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17983 | 25 | 2015-09-24 08:18:34 | 17983 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
    Type: monograph
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    Yemaya, No. 45, April 2014 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17980 | 25 | 2015-09-24 08:19:39 | 17980 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 49, July 2015 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17984 | 25 | 2015-09-24 08:19:14 | 17984 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 19, August 2005 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17990 | 25 | 2015-09-24 08:34:04 | 17990 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 47, December 2014 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17982 | 25 | 2015-09-24 08:20:44 | 17982 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-03
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
    Type: monograph
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    Yemaya, No. 17, December 2004 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17992 | 25 | 2015-09-24 08:36:53 | 17992 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Aquaculture ; Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 14, December 2003 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/17995 | 25 | 2015-09-24 08:44:42 | 17995 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 3, March 2000 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/18039 | 25 | 2015-09-24 09:04:07 | 18039 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No. 2, November 1999 (2021)
    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/18040 | 25 | 2015-09-24 09:17:46 | 18040 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-04
    Description: Yemaya: ICSF's Newsletter on Gender and Fisheries
    Keywords: Fisheries ; Yemaya ; ICSF ; Gender ; Women ; Newsletter ; WIF ; Women in fisheries
    Repository Name: AquaDocs
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    Yemaya, No.61, August 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27104 | 25 | 2021-02-14 02:44:50 | 27104 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-24
    Description: The latest issue of the women-in-fisheries newsletter of the International Collective in Support of Fishworkers (ICSF), Yemaya No.61, dated August 2020, features articles and interviews from Brazil, Costa Rica, France, India, Indonesia, Mexico and Senegal. The lead article is on small-scale fisheries and food security and the issue also carries a photo essay on the practice of Aratu fishing in the mangrove forests of Brazil.The Costa Rica article, by Maria Suarez Toro, looks at how the harsh economic impact of the ongoing Covid-19 pandemic-related lockdown has spurred fisherwomen to return to their traditional sources of livelihood. Emmanuelle Yhuel -Bertin looks at the impact of the Covid-19 lockdown on small-scale fishing in Lorient, France, and how it is vividly captured in the pages of a diary maintained by a gillnetter skipper’s spouse. The article has been translated from French by Daniele Le Sann.The article from Indonesia, by Dedi Adhuri, points out how incomes from both harvest and post-harvest activities have dried up, leaving fishers in the lurch, adding to the anxieties of women who must make arrangements to survive from one day to the next.Inés López-Ercilla, Jorge Torre, Neyra Solano, and Francisco Fernández, in their article on Mexico, argue that, as in other countries, the experience of sheltering at home has led to increased domestic violence against women. Women in the small-scale fishing sector in Mexico are key drivers ensuring food security and community wellbeing during the Covid-19 pandemic.Ria Fitriana and Maria Kurupat, in their article on Indonesia, looks at how the changing land-use patterns threatens the livelihood of female crab collectors in Merauke, Papua, Indonesia.The article by Julie Lalluet-Geffroy,translated from French by Gildas, portraits a resolute mussel farmer, Amélie Dennebouy, who has challenged gender stereotypes to become a successful mussel entrepreneur in Pénestin, France.Nicole Franz, in her article, provides a brief overview of relevant international legal instruments and processes on small-scale fisheries contributions to rights to food and nutrition security, with a focus on the Food and Agriculture Organization of the United Nations (FAO).In Assane Deme’s interview (transcript prepared by Beatrice Gorez and translated from French to English by Gildas) with Mme Diaba Diop, general secretary of Pencum, Senegal, she points out that it is imperative that States extend all possible support to fishing communities, particularly to women and other vulnerable sections, in order to mitigate the dual challenge of growing food insecurity amidst the spread of Covid-19. There is a need for rehabilitating the processing sites, she added. Women would require field training to master new techniques.Beatriz Mesquita,Lorena Franca and Luciecia Cristina Moraiss da Silva, in their interview with Sandra Gomes, President of the Association of Indigenous Communities of the Middle Negro River ( ACIMRN), speaks about the challenge indigenous communities are facing due to Covid-19.Vishakha Gpta, in the Yemaya Recommends section, poins out that the film, Seguridad Alimentaria (Food Security) shows how activities such as fishing and clam gathering are experiences through which the community connects and continues to pass on their heritage.In the Profile column, Nasser Kasozi writes about how the work of Lovin Kobusiye is an example of new entrepreneurship emerging in pan-African fisheries and aquaculture.In the Whats New Webby? section, Manas Roshan writes about how ICSF’s new website, https://covid.icsf.net presents information on specific sectoral issues affected by Covid-19 and also disseminates new information as signs of recovery from the pandemic.In the Milestones section, Ahana Lakshmi speaks about how the new book, "The Sustainable Development Goals Report 2020", indicates that women now have better access to decision-making positions at the local level, mainly through legislated quotas.This issue of the Yemaya also carries the ever-popular cartoon strip, Yemaya Mama ('A fishy deal’).The current issue can be accessed at:https://www.icsf.net/en/yemaya/article/EN/61.html?limitstart=0
    Keywords: Environment ; Fisheries ; Brazil ; Costa Rica ; France ; India ; Indonesia ; Mexico ; Senegal ; women in fisheries ; Yemaya ; ICSF ; COVID-19 ; gender ; impact ; livelihoods ; fishing communities ; small scale fisheries ; fisheries ; Indigenous Communities ; Food security ; aquaculture ; Africa ; The Sustainable Development Goals Report 2020
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    SAMUDRA Report No.83, September 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27105 | 25 | 2021-02-14 02:32:05 | 27105 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-24
    Description: This issue was designed as a special edition to complement ICSF's campaign celebrating the contributions of small-scale fisheries to nutrition and food security within a human-rights-based framework. As the SAMUDRA Comment notes, the COVID-19 pandemic reminds us of the connection between food, health systems, sustainable development and human rights, and offers an opportunity to build back and build forward better.The articles in this edition of SAMUDRA Report – from 10 countries in Africa, Asia, South America and Oceania – reflect on the pandemic's impacts on fisheries, and situates the components of food security in the lives and livelihoods of SSF in several countries.The individual articles are as follows:Indonesia: COVID-19 lockdown measures have struck small-scale fishersUnited States: COVID-19 relief measures have favoured industrial operatorsBrazil: COVID-19 threatens the lives and livelihoods of vulnerable indigenous communities in the AmazonMalawi: Fish is an unrecognized element of trade in the Southern African Development Community (SADC)Ghana: A study explored how access to affordable small fish will reduce hunger and improve nutritionIndonesia: The unique flavours of the East Java cuisine come from the traditional fish processing technique of pindangTimor-Leste: The island nation is closing the gender gap while also providing food securityIndia: Managed sensibly, inland water bodies can provide the country with sustainable food securityIndia: The use of fishmeal to grow shrimp is exporting the precious nutrition that India’s children deserveAnalysis: A roadmap is needed for the role of fish in the right to food and nutritionNigeria: More than COVID-19 itself, the lockdowns have hit the country's unorganized small-scale fishers harderPacific Islands: The push for 30 percent MPAs must not bypass the democratic route used by small island nations to improve fisheries and incomesAnalysis: The 1960 UN Conference on the Law of the Sea (UNCLOS) failed to reach agreement, with India, Chile and Ecuador playing decisive rolesSSF / Blue Economy: There is no reason to wait for consensus on what is justice before acting on injustice in small-scale fisheriesReview: An award-winning film captures the complexities of small-scale fishers and fish processors in West Africa
    Keywords: Environment ; Fisheries ; Sociology ; Samudra Report ; ICSF ; COVID-19 ; lockdown ; Indonesia ; Nigeria ; US ; Brazil ; Indigenous communities ; Amazon ; gender ; Timor-LEste ; Ghana ; Nutrition ; small-scale fisheries ; UNCLOS ; Malawi ; Southern African Development Communities (SADC) ; India ; Pacific Islands ; West Africa ; Fishing communities ; food security ; sustainable management ; income ; small islands ; conservation
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    Samudra Report No.84, December 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27161 | 25 | 2021-02-22 00:39:34 | 27161 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: The International Collective in Support of Fishworkers (ICSF) has just published the latest issue of SAMUDRA Report, its triannual journal on fisheries, communities and livelohoods. The current edition, SAMUDRA Report No. 84, dated December 2020, features a range of articles from countries around the world like Peru, Kiribati, Belize, France, the Philippines, Brazil, Ghana, Myanmar, Sri Lanka and Vietnam.The issue also carries articles that discuss small-scale fisheries (SSF) and the SSF Guidelines, the ocean economy, tourism and labour rights, among other topics.
    Keywords: Aquaculture ; Fisheries ; ICSF ; Samudra Report ; Small-scale fisheries ; Kiribati ; Vulnerability ; climate change ; fishing communities ; France ; Philippines ; Sustainable ocean Economy ; coastal communities ; Brazil ; Myanmar ; Sri Lanka ; Ghana ; SSF Guidelines ; Fisheries Policy ; Fishworkers ; Vietnam
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    Yemaya Bulletin de l'ICSF sur les Questions de Genre dans la Peche, Número 61, agosto de 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27164 | 25 | 2021-02-21 23:59:02 | 27164 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: L’ICSF vient également de publier le no 61 du bulletin YEMAYA sur les questions de genre dans la pêche: Les articles viennent du Brésil, du Costa Rica, de la France, de l’Inde, de l’Indonésie, du Mexique, du Sénégal. L’éditorial traite de pêches artisanales et sécurité alimentaire. Et une série de photos illustre la pêche au petit crabe Aratu dans les mangroves brésiliennes.
    Keywords: Fisheries
    Repository Name: AquaDocs
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  • 90
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    Yemaya Revista Del CIAPA Sobre El Genero en La Pesca, Núm. 61, Agosto 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27163 | 25 | 2021-02-21 23:59:41 | 27163 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: Publicación virtual de un nuevo número de Yemaya, la revista del CIAPA sobre el género en la pesca, en castellano. El último número de Yemaya (núm.61), la revista del Colectivo Internacional de Apoyo al Pescador Artesanal (CIAPA) sobre temas de género en la pesca, publicado en inglés en agosto de 2020, se encuentra ahora disponible también en lengua española en:
    Keywords: Fisheries ; Yemaya ; Bangladesh ; coastal communities ; women ; gender ; livelihood ; labour ; Ghana ; Myanmar ; Mexico ; biodiversity ; livelihoods ; small-scale fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 91
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    Yemaya No.62, December 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27162 | 25 | 2021-02-21 23:50:42 | 27162 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: The International Collective in Support of Fishworkers (ICSF) has released the latest edition of Yemaya, its newsletter on gender and fisheries.Yemaya No. 62, dated December 2020, features articles from Bangladesh, Myanmar, Ghana, Mexco and the conversation between Meryl Williams, Danika Klieber and Kate Bevitt.The article from Bangladesh by Md. Mujibul Haque Munir reveals that women in Bangladesh’s coastal fishing continue to remain largely unrecognized and that urgent steps are needed to rectify this situation.The article from Myanmar by Angela Lentisco looks at the challenge of FAO’s FishAdapt project in strengthening the adaptive capacity and resilience of fisheries -and aquaculture dependent livelihoods and limited opportunity to work as wage labour in the commercial fishing business.The article from Ghana by Naana Nkansah Agyekum looks at the gradual transformation of the ahotor oven which represents an improvement on the widely used chorkor smoke. The ahotor oven is energy efficient and helps women fish processors reduce the quantity of firewood in smoking fish.The conversation between Kate Bevitt, Danika Kleiber and Meryl Williams focuses on the collaborative study, Illuminating Hidden Harvests. The conversation highlights the under recognition and under reporting of women’s work.
    Keywords: Fisheries ; Yemaya ; ICSF ; Bangladesh ; coastal communities ; women ; gender ; livelihood ; labour ; Ghana ; Myanmar ; Mexico ; biodiversity ; livelihoods ; small-scale fisheries
    Repository Name: AquaDocs
    Type: monograph
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    Samudra Revue, No.83, septembre 2020 (2021)
    The International Collective in Support of Fishworkers (ICSF) | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/27165 | 25 | 2021-02-22 00:36:57 | 27165 | International Collective in Support of Fishworkers
    Details
    Publication Date: 2021-07-26
    Description: Le nouveau numéro de la revue SAMUDRA - publication quadrimestrielle du Collectif international d’appui à la pêche artisanale (ICSF) - est disponible en ligne sur. Il s’agit d’un numéro spécial qui vient s’ajouter à la campagne de l’ICSF visant à bien mettre en évidence tout ce qu’apporte la pêche artisanale en matière de nutrition et de sécurité alimentaire dans une démarche fondée sur le respect des droits humains. Comme le relève l’éditorial, la pandémie de Covid-19 « nous rappelle les liens forts qui existent entre notre alimentation et nos systèmes de santé, entre le développement durable et les droits humains. Le Covid-19 sera-t-il l’occasion de repartir de l’avant en mieux ? »
    Keywords: Fisheries ; ICSF ; Samudra Report ; Small-scale fisheries ; Indonesia ; United States ; Brazil ; Malawi ; Ghana ; Indonesia ; Timor-Leste ; India ; Nigeria ; Pacific Islands ; COVID ; Food Security ; Southern African Development Community (SADC) ; Amazonian ; indigenous communities ; livelihoods ; vulnerability
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  • 93
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    Quantitative and Qualitative development of shrimp culture in Iran (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Primary researches on aquaculture of endemic shrimp species carried out since 1984-5 by Iranian Fisheries Research Organization (IFRO) .After a decade, the condition for extension and development of shrimp culture in the country prepared. Despite huge investment of government for preparation and construction of shrimp sites, only small part of present potential in southern coast of the country is under production. About 18 different shrimp species inhabit in Persian Gulf and Sea of Oman, in which 4 species have larger size, and more abundant, and harvest commercially . Penaeus semisulcatus, Fenneropenaeus merguiensis and Metapenaeus affinis as commercial species distributed throughout of Persian Gulf from mouth of Arvand River in north- west to strait of Hormoz, and also some parts of Oman Sea. While Fenneropenaeus indicus distributed mainly in coastal area of Oman Sea. Shrimp culture begin in Iran by P.semisulcatus, continued by imported Penaeus monodon, and developed by using of F.indicus. After confront to slow growth and viral diseases in 2001 (Khouzestan province) and 2005 (Bushehr Province), at the same time I.F.R.O acquired the bio-technique for production of Litopenaeus vannamei, and hence the condition for introduction the new species to the shrimp culture industry provided. In accordance for development of shrimp culture, I.F.R.O carried out various research activities, and established specific research center for this purpose. Research projects regarding brood-stock management, breeding and larvae production, grow out, water management and disease identification and treatment have been carried, and induced considerable impacts on quantitative and qualitative development of shrimp culture in the country.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Commercial ; Shrimp ; Aquaculture ; Quantitative and Qualitative Development ; Culture ; Species ; Fisheries ; Abundant ; Fenneropenaeus merguiensis ; Metapenaeus affinis ; P.semisulcatus ; F.indicus ; Breeding
    Repository Name: AquaDocs
    Type: Report , Refereed
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    A study on Identification and Distribution of Aras river fish fauna(within the East Azarbijan province) and measuring Heavy metals (Cu,Mo,Hg,As) in edible tissue of fish species (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This study was conducted to determine of heavy metals in fish species of Aras River (East Azerbaijan) based on metals (Cu, Mo , As, Hg) at four stations (From Julfa to 25km after Nourdos border) during four seasons from 2015 to 2016. Thirty eight specimens were collected by using of electrofishing as the main method for sampling. The amount of heavy metals was measured by using an atomic absorption in the muscle tissue of specimens. Bioaccumulation factor was also calculated for each species.The amount of Bioaccumulation factor for molybdenum is the highest and the arsenic metal has the lowest amount. The highest concentration of copper in Barbus lacerta with a mean of 13.6 ± 11.3 μg / g dry weight and for the molybdenum, Alburnoides bipunctatus had the highest mean concentration (11.7 ± 4.9) μg / g dry weight. The average concentration of mercury (13.1 ± 1.5 μg / kg dry weight) was highest in Alburnus alburnus. Regarding the arsenic element, as it was analyzed in a small number of specimens, the highest concentrations were recorded in Alburnoides bipunctatus . According to ANOVA, there is a significant difference between mean concentration of copper in different species (p 〈0.05) and the Duncan test has distinguished Alburnus alburnus from other species.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Heavy metals ; Fish species ; Pollution ; Distribution ; Identification ; Tissues
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 26pp.
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    Effects of trout farm activities on water quality of Taleghan dam and related rivers (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The result of chemical examination on samples demonstrates that most of assessed parameters met the environmental standards. The trend of BOD5 changes showed a decrease due to recreation of the rivers in the both studied points (1-4 stations of Khochireh zone and 5-8 Hassanjun zone). Therefore, aquaculture activities did not play a significant role in enhancing the instant organic load (p〈0.05). Investigating the amount of total phosphorous revealed that Khochireh zone owned less pollutant consists of phosphorous compounds in comparison to Hassanjun zone. Hilsenhoff was an applied to determining the amount of pollution of assessed rivers. Biological and chemical examination of the Hassanjun, Khochireh and the main branch of Shahrud River was organized and done in May, 2012 by fast sampling method. Also monitored levels of total phosphorous showed the both rivers experienced an increase in downstream compared to upstream. The trace of frequency variation of macro benthos showed that Chironomidae and Elmidae families which are from Diptera and Coeloptera orders considered as the most crowded populations of macro benthos in the study zone with the total frequency average of 11.6 and 10.0 per square meter. The result of studying on macro benthos based on Hilsenhoff biological index elaborated in Khochireh zone the activity of aquaculture industry (without any urban zone and other industries) led to deteriorate the water quality from average in station 1 to average –weak in station 2 whereas, fish farms couldn’t affect the quality of main branch of Shahroud river due to higher volume, so didn’t any significant change in third and fourth station. In the Hassanjun River at the upstream of the fish farm the water quality seems to be never appropriate, that be alleviated to average in downstream. The main branch of Shahroud River was affected due to admixture with hassanjun River; therefore turned the quality from very good in station 7 to bad in station 8, obviously due to the low quality of Hassanjun River. To conclude, the chemical and biological investigation illustrate aquaculture activity throughout the Shahroud River affects the water quality in an ignorant level which is offset by recreation ability of the river. However, other types of pollutants which are emitted by other industries decrease the water quality of studied zone particularly at the downstream and entrance of the Taleghan dam.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Chemical ; Environmental ; Biological ; Hilsenhoff Family Biological Index ; HFBI ; Macrobenthos ; Qualitative impacts ; Rainbow Trout ; Fish farm ; Rapid Bioassessment ; Aquaculture ; Pollution ; Sampling ; Chironomidae ; Elmidae ; Diptera ; Coeloptera
    Repository Name: AquaDocs
    Type: Report , Refereed
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    Feasibility study of Tehran province water resources for fish production – Phase 1: Salehabad Qanat (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This feasibility study carried out in response to request of Tehran Province Fisheries Management, in order to Qanat Salehabad water assessment for aquaculture relataed purposes in Tehran Municipality – Regions 19 & 20. During 6 monthes between May – October 2011 in 3 sampling stations by 3 replicates investigations executed. Physic-chemical, Heavy methals, organochloro-organophosphore pesticides and microbial nominated parameters analysed in reference to Iran national and international standards as well, resulted an overall assessment on quality and quantity of Qanat water for aquaculture purposes. Results expressed station 1 in all studied seasons can be develop for fisheries warmwater applications and in cold seasons (September-March) fisheries coldwater relevant activities can be consider. Stations No 2 & 3 known as infeasible for fisheries applications but would be recommend for agriculture rrigation. According to the results, possibility of developing live fish shopping centers (Cold – warmwatetr fishes) between station 1 and before crossing the Qanat flow and Behesht-e-Zahra freeway is considerable, indeed water rights could be negotiate between Tehran Municipality and Tehran province Fisheries Bureo. Also application of feasible anti microbial filters and other minimum limitation parameters control is necessary before leading Qanat water flow into proposed live fish shop. And suitable septic tank is recommended at the outlet of proposed fisheries units. Monitoring of nominated physic-chemical & microbial parameters during operation of fisheries unites highly recommended.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Qanat ; Aquaculture ; Fisheries ; Fish ; Physicochemical ; Heavy metals
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    Type: Report , Refereed
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    Instruction for Planning, Establishment and Functioning of National Fisheries Technology Services in Developing Countries (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Instruction ; Fisheries ; Establishment
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 111pp.
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    The biological study of Coregonus lavaretus of the lake of Karaj Dam (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Coregonus lavaretus is one the important species of coregonidae family. It has adipose fin and the tail fin has a deep notch. The fish is special for fresh and cold north waters and are mainly found in north hemisphere and north of Europe, Asia and America. It feeds aquatic invertebrate and zooplanktons. The mentioned species has tasteful meat and supplies the major part of fish consumption. The big fishes meat is tasteful, low fat and has a cucumber like odorous characteristics and is mostly consumed in dried and smoked forms. Since this fish is important in inland fisheries and is releasable and developing in water sources of lakes behind dams has been considered and respect to purity of water resources behind dams. In the lake of Karaj dam has been considered as the only habitat and considered to have to low biological information from October to late march 2001 for 6 months totally 82 samples were caught and studied and through this way lack of fishing in the region by determining 11 stations, the samples were collected and grown, relation between length and weight, age and length, propagation, nutrition and fertility parameters were evaluated. Most of caught fishes are 4 to 5 year olds and 3 and 4 year olds. The 4 year olds males were majority and 5 and 6 year olds females formed the dominant group. Correlation relation between age and total length in both sexes (male and female) was very significant at 1% level, of course in females the correlation was around 100%. The weight and total length in males and females that was caught both had high correlation at 1%level; of course this correlation in females had been very stronger than males. % level related to gonad weight and sexual evolution stages of females. Gonad had correlation at 5 The most absolute fecundity had belonged to 5 year old female with 19120 ovules and the lowest to 4 year old breeder. With 11496 ovules the most relative fecundity was 62.13% and belonged to 5 year old breeder and the lowest was 36.06% belonged to 4 year old breeder by increasing the quantity of ovules in breeders the sixth stage of sexual evolution the fecundity rate has been directly increased as well. % of Gonad weight was the most effective factor on absolute fecundity and according to (R2) more than 90 variations of breeders; absolute fecundity is claimable by their gonad weight. Among all traits, affecting gonad weight fecundity the breeders sexual evolution stage has been recognized the most effective factor on fish ovules diameter. Generally in oligotrophic aquatic resources they become mature before the age of 3 and in utroph aquatic resources and full of edible zooplanktons they become mature with 2 years of age. In respect to nutrition this fish eats a broad range of zooplanktons separated from surface to bed of water of dam lake and no kind of selection was seen there so that in different ecological condition it can differ appropriately to kind of foods available in different seasons so that in cold months (December to March) the food diet of this fish varies toward eating water bed living things such as tobifex.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Biological ; Coregonus lavaretus ; Species ; Coregonidae ; Aquatic ; Zooplanktons ; Fishes ; Fisheries ; Samples ; Gonad ; Evolution ; Fecundity ; Breeders ; Zooplanktons
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 79pp.
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    A study of polluting agents in Maharloo salt lake (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The ecological situation of Maharloo Lake is of a great importance in the province, especially in relation with continuous addition of a reasonable volume of municipal and industrial effluents to it; one major point being a source for different life cycle stages of the crustacean Artemia, which is used in aquaculture as natural food. In order to improve our knowledge about lake's pollution, we investigate mineral nutrients and heavy metal concentration, among some other physical and chemical characteristics. Three stations were selected in the lake, sampling trips were made, and the concentration of selected factors were measured monthly from January 2000 to December 2001. Using ANOVA, results were used to compare means of monthly factors between three stations, and means of three stations between 12 months. The yearly means for pH, dissolved oxygen, salinity, electrical conductivity, water temperature, nitrite, nitrate, free ammonia, carbonate, bicarbonate, dissolved CO2, phosphate, alkalinity, chloride, calcium, magnesium, total hardness, total dissolved solids, and total particulate matter were 7.95 (SD=0.558), 2.92ppm (SD=2.11), 290.73ppt (SD=168.08), 375.52ms/cm (SD=232.72), 20.8 C (SD=7.4), 0.051ppm (SD=0.058), 0.111ppm (SD=0.089), 3.342ppm (SD=2.894), 67.75ppm (SD=66.84), 270.88ppm (SD=190.91), 63.57ppm (SD=37.94), 0.018ppm (SD=0.026), 328.97ppm (SD=216.14), 128.05ppt (SD=76.65), 3334.90ppm (SD=4769.87), 22719.22ppm (SD=45204.82), 18059.73ppm (SD=12513.54), 203.20ppt (SD=132.40), and 8.65ppm (SD=5.49), respectively. Heavy metals' highest concentrations were as: As=23ppb, Co=303ppb, Cd=970ppb, Pb=8510ppb and Hg=25ppb, while no value was recorded in several months. Our results showed no significant differences between stations' means for most of the factors, but different months were significantly different in many factors (P〈0.05). Maharloo Lake demonstrated various levels of pollution regarding to nutrient minerals and heavy metals, but special attention to the relations of water- precipitations is needed for a more concise understanding of its pollution. Results of this investigation can serve as a good record of the lake situation in drought conditions.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Saline lakes ; Pollution ; Nutrients ; Heavy metals ; Artemia
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 64pp.
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    Environmental and ecological studies in Northern Alborz with aimed at developing the fisheries resources (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Caspian Sea with an area of 400 thousand square kilometers is the largest lake in the world. The Caspian Sea about 1200 km from north to south on the longest section and an average width of 320 km. Along the coastline around the Caspian Sea is about 6500 kilometers. Caspian Sea is about 78,000 cubic kilometers of water volume that is 44% of stocks of blue lakes around the world. Caspian Sea basin, which is composed of seven major basins of the main watershed from west to east are: juniper, Talsh- Anzali, large Sefidrood between Haraz Sefid and, Hraz- Gharehsou, Nagorno Sv- Gorgan and Atrak in the basin of Aras no limits to the beach. Aras sub-basin is located in the North West and Iran, the second largest sub-basin of the Caspian Sea. Talysh-Anzali on the Caspian Sea basin West and the seventh largest sub-basin of the Caspian Sea. White basin is located in the South East of the Caspian Sea and the extent of the sub-basin of the Caspian Sea. Haraz located in the south Caspian Sea basin and the ninth largest sub-basin of the Caspian Sea. Gorgan is located in the South East of the Caspian Sea basin and the fourth largest sub-basin of the Caspian Sea. In these areas, about 28 percent of the total fish production in the northern waters of aquatic allocated.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Ecological ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 58pp.
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