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  • 1
    Publication Date: 2021-05-19
    Description: Inland water aquaculture activity have been known as an important approach for protein production while reservoir lakes recognized to have a significant potential for this purpose. Zanjan province in Iran with several dam reservoirs is suitable for aquaculture development. This study was conducted on biotic and abiotic factors of two lakes Shovir and Mirzakhanlo in order to determine aquaculture potentially of reservoirs. This two lakes located on different climatic region; Shovir located in region of semi arid area with very cold weather in winter, while Mirzakhanlo is in semi humid area and warm weather characteristic. In this study the plankton, benthos and fishes were assessed and the 15 hydrochemical factors were measured in order to determine the fisheries potential for fish introduction or release. The results showed that the phytoplankton abundance of Mirzakhanlo varied between 1.6 to 45.2 million cell/l. with 32 identified genus. The zooplankton abundance varied between 48 to 632 n/l. and 22 identified genus. The abundance plankton in shovir varied between 1.350 to 34.2 million cell/l. and 240 to 4500 n/l. for phyto and zooplankton respectively. Macrobenthos biomass were 21.4 and 0.34 g/m2 in Shovir and Mirzakhanlo lakes respectively while Chironomidae and Tubificidae families were dominant groups. The lake sediment organic matter were 4.3 and 3.2 % respectively. In ichtiology survey identified 5 and 7 species in Mirzakhanlo and Shovir lakes respectively. The hydro-chemical results indicated no restriction for aquaculture activity and according to trophic model both lakes are recognized as meso-eutrophic and eutrophic. Despite of climatic restrictions, the potential for fish production was estimated about 321 and 151 kg/ha for Shovir and Mirzakhanlo lakes respectively that can be improved by using agricultural and the other native facilities.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Aquaculture ; Plankton ; Benthose ; Hydrochemical ; Phytoplankton ; Chironomidae ; Tubificidae ; Survey ; Meso-eutrophic ; Eutrophic
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 76pp.
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  • 2
    Publication Date: 2021-05-19
    Description: This project is trying to investigate water contamination after use in ponds. For this aquaculture status, physical and chemical water properties, microbial pollutants and heavy metals levels in the some of trout ponds effluent in East Azerbaijan province were evaluated in 2007 to 2009. The information of groundwater and climate conditions in ten years, Drilling and wells piezometric Information, in local wells are reviewed.According to data obtained from analysis of water samples in the output pools range studied concentrations(term mg/l) some parameters are as follows:(BOD: 1.9-3.2),(COD: 3.4-34.1),(TSS: 26.6-42.7),(N-NO2:0.003-.136),(P-Po4:0.0170.067),(pH:7.75-8.28).Electrical conductivity(500 ±2 to 1129±144 term µm/cm) in the effluent ponds . Based on the results of we can say that between input and effluent ponds in the review of all factors as chlorine, sulfate, sodium, potassium, total nitrogen, soluble phosphorus, total phosphorus, calcium, total hardness, magnesium, alkalinity and silica significant changes not be observed. Review of water analysis data to some factors(such as:water temperature,EC,pH,NO2,CO2,HCO3,CO3,DO,COD,BOD) And compare this data with the authorities standard confirmed that the All factors mentioned in effluent is allowed now. In terms of microbial contamination and heavy metals ( Zn,Cu,Ca,Pb,Fe,Cr ) is no pollution. Appropriate strategies for removing suspended materials must to use.We can use Watershed Management solutions to inject output water to the underground table. Should be noted status change (eg change in flow rate, an unusual increase in temperature, fish density increasing, reducing food quality, lack of appropriate management actions and ...) may reduce the effluent quality and the ability of injection water underground to lose . In this case, measures must be for wastewater treatment and improve the quality ponder.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Physical ; Chemical ; Microbial ; Effluent Trout ; Return ; Ground Water ; Non-agricultural ; Aquaculture ; Pollutants ; Heavy metals ; Samples ; Chlorine ; Sulfate ; Sodium ; Potassium
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 88pp.
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  • 3
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25447 | 18721 | 2018-09-25 18:12:04 | 25447 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: The objective of this study was to investigate the effects of black carp introduction in chines carp poly culture as well as its effect on the growth, survival rate and production of chines carp species. This study conducted in two consecutive year. The period of culture in first year was during Jun 1 until Des 5 ,2009 and in second year it was from Jun 4 to Dec, 1,2010 .The experiment were started by selecting 9 earth end pond each with 800 m2 area and was performed in triplicate with 2 treatment and one control , each year .The ponds were treated by liming and fertilizer before filling water and then stocked with 3000 chines carp (140 Silvercarp, 42 Grass carp , 42 Common carp and 25 Bighead carp) while the number of Black carp in treatments 1, 2, 3 and 4, respectively, 250, 500, 75 and 125 pieces in Ha, blackcap was added to the control species respectively . The number of fish species harvested at end of culture in treatment 1, 2 and control .The total fish species harvested at the end of first year was 2276 out 1904 species released. The number of fishes catch in treatment 1,2 and control were 637,658and 573 species. the statistical analysis showed that average weight of black carp were 407±150 gr in treatment 1, 234±121 gr in treatment 2 with the minimum and maximum weight of 242 and 780 gr in first treatment as well as 110 and 750 gr in second treatment the production of black carp in first treatment were 42 kilogram per hectare and 60 kilogram in second treatment. The growth rate were higher in second treatment than first one. In second year the investigation repeated in triplicate with treatment3, 4 and one control. The total stocking density in treatment 3,4 and control were 665,633, and 574 pieces. Statistical analysis showed that total weight of black carp in third treatment was2049 ±614gr and in forth treatment was 2361 ±60 gr where the minimum and maximum values were 3115 gr and 1025 gr respectively. The survival rat of black carp in treatment 3 higher than in were treatment 4 while the growth in treatment 4 was higher treatment 3. The total production of black carp in treatment 3 and 4 were 123 and 181 kilogram per hectare respectively. The ANOVA test conducted for grass carp revealed that treatment 4 is significantly difference with treatment 3 and control. While for silver carp the treatment 4 is significantly difference with treatment 1 and control while for Big head carp the treatment 4 was significantly difference with control at 5% level (P〈%5). On second year the black carp reached to acceptable market size which could be compatible with other carp such as common carp and grass carp comparative analysis between different stocking density indicate that the stocking density with 125 pieces showed the highest positive effects.
    Keywords: Aquaculture ; Iran ; Fish ; Species ; Carp culture ; Chinese black carp ; Diversity ; Warm water ; Growth ; Survival rate ; Silver Carp ; Grass carp ; Common carp ; Bighead carp ; ANOVA
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 111
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  • 4
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25201 | 18721 | 2018-09-05 16:03:37 | 25201 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: Use and enrichment of live food resource in fish farms have been interested and highly demanded. Crustacean are one of the important groups. The Pontogammarus maeoticus dominated in southern Caspian Sea shore with a high abundance. This study was designed in order to adaptation and usage of amphipoda in fish culture ponds. The first part have been surveyed the laboratory experiments including of; to increasing and developing of P.maeoticus in 200 litter container, the effects of salinity on growth and survival of amphipods in many aquariums, the culture of common carp with amphipods and growth determination of them. Chemical composition analysis of P.maeoticus and carps fed by amphipods in compare to cultured carps from ordinary ponds. Due to concern about common healthy the heavy metal concentration has been measured in P. maeoticus, carp which were fed by amphipods and the cultured carps in earth ponds. In second phase; the adaptation of two amphipods species, P. maeoticus and Obesogammarus acuminatus was studied in fish ponds where some cages with sandy soft substrate had been provided for amphipoda replacement. Also a small surface of ponds surrounded by net and covered by Azola plant, a habitat suitable for to putting of O. acuminatus. Production of amphipoda had not the successfully results in large tanks. Aquariums with Caspian Sea water had the prosper results where the specimens were breeding and developing properly, even though in some aquarium with freshwater increased the amphipods number. The chemical composition had not significant difference between two kind of cultured carps while the organic component in amphipoda had a high quality. The better quality of cultured carp by amphipod diet have been confirmed by organoleptic test. The results of heavy metal measurement in amphipoda showed a high concentration which some of them were transmitted to cultured carps. Result of amphipoda replacement in cage was not satisfy and the specimens were died after some days. According to hydro-chemical parameters the oxygen poorness and high trophy levels were the affective factor to abolish of specimens in cages. It seems that there are many type of P.maeoticus that can be adapted in different salinities. The molecular differentiation should be investigated to choose the suitable type of this spices for utilization in freshwater fish ponds. In other hand it can be used in fish culture ponds that will be supplied by brackish water.
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Adaptation ; Amphipoda ; Fish ; Culture ; Ponds ; Enrichment ; Pontogammarus maeoticus ; Amphipoda ; Survey ; P.maeoticus ; Common carp ; O. acuminatus ; Oxygen ; Specimens ; Brackish water
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 71
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  • 5
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25612 | 18721 | 2018-10-07 16:15:05 | 25612 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: Kutum fish (Rutilus kutum) is an anadromous cyprinid species that spawns in adjusted rivers to the Caspian Sea. Many million fingerlings were artificially produced and annually released in these rivers specifically in Sefidrud River by Iranian Fisheries Organization. In this study were estimated the staying period of Kutum fingerlings in Sefidrud River and its diet and growth. A small piece of the caudal fin was cut as a tagging method. About 50000 and 5200 individuals were marked during July and September 2013, respectively. The marked fish had an average total length 53.2±5.6 mm and body weight 1.11±0.26 g and were released in river around two kilometers of the estuary. The sampling of fishes had been earlier started from Feb. 2012 and continued until Feb. 2013 at five stations. Four stations were along river from three Kilometer of estuary to estuary and one station was in right side of estuary in the sea coast. The results showed that marked samples after releasing time were distributed in all studied area from 3 kilometers of estuary to estuary but they migrate mainly toward Caspian Sea in a short time. However the marked samples were observed in estuary and the sea coast after 6 and 24 hours of their releasing time, respectively, Kutum fingerlings remained in Sefidrud river ecosystem in a longer time, at least until end of our sampling period i.e. 105 days. The coefficient of vacuity index of the natural feeding study was 0.0, 49.0 and 30.6 % for phytoplankton, zooplankton and benthos, respectively. The average of GastroSomatic index, intensity of fullness and condition factor were calculated 6.30±3.25, 174.6±153.2 and 0.92±0.09, respectively. A temporal and spatial variation on main food items were observed in gut content of fish fingerlings from different locations and seasons. Gut contents were generally included 59 genera of phytoplankton, 15 groups of zooplankton and 10 groups of benthos. Nitzschia, Navicula and Synedra were dominated among phytoplankton genera with 45.83, 18.02 and 15.99 %, respectively. Among zooplankton groups; the Rotaria, Moeina and Difflugia were dominated with 22.30, 20.86 and 15.83%, respectively. Chironomidae and Gammaridae were the main food items among fed benthic animals with 83.67 and 11.15%, respectively. Furthermore 48 phytoplankton genera, 32 zooplankton genera and 6 benthic families were identified in ecosystem of Sefidrud river. Bacillariophyta phylum (with 23 genus), Rotatoria (with17 genus) and Chironomidae family were dominated in each mentioned groups, respectively. It is concluded that the Kutum fingerlings stay in Sefidrud River for a long time, although most of them migrate to Caspian Sea during first month after releasing. However dietary indices were normal in studied samples, the condition factor index seems to be low.
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Rutilus kutum ; Fingerlings ; Kutum ; Fish ; Rotaria ; Moeina ; Difflugia ; Phytoplankton
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 160
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  • 6
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25665 | 18721 | 2018-10-14 03:04:11 | 25665 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: This study was carried out about 15 months to determine suitable locations for the development of aquaculture across the Gamasiab river of Hamedan province in 2007 - 2008. Physicochemical parameters and macro benthic invertebrates fauna 15 and 13 stations respectively every 45 days and seasonally fish identify in 8 stations were performed according standard methods. The average water temperature was 12.8±3.7 oC, minimum and maximum dissoled oxygen were 2.6 and 12.5 mg/lit respectively during the study. The pH range was between 7.5-8.8 , the minimum and maximum Ec was 250 and 750 µmos/cm in Mehr and Tir. The transparency range was recorded about 1-103 F.T.U. The uder factors such as amount of suspended materials: 0.01-0.1 mg/l, amount of BOD5: 0.05-6.2 mg/l and COD: 30 (minimum) and 70.57 (maximum) were recorded. The total solids material (T.S.S) were less than 1 mg/lit. Totally 37 groups of bentic organisms were identified which 11 groups of them were appertained to pollution sensitive orders containing Ephemeroptera, Trichoptera and Plecoptera. During fish population studied 21 species belonging 5 family were identified. Based on obtained results of biological, ecological, economic and social parameters, 10 sites in 7 areas were suitable identified for fish rearing and 12 aquaculture programs (10 plan for fish rearing and 2 plan for increasing fish production of (Oncorhynchus mykiss). The minimum and maximum production capacity in mentioned places was estimated about 1675 and 3850 tons respectively.
    Keywords: Aquaculture ; Iran ; Hamedan province ; Gamasiab river ; Feasibility ; Complexes of fish farms ; Biotic and Abiotic factors ; Oncorhynchus mykiss ; Rainbow trout
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 92
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  • 7
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25438 | 18721 | 2018-09-23 16:51:04 | 25438 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: Caspian trout is valuable, Commercial, anadromous and endemic fish species in the Caspian Sea so that, researchers attention have been focused on this species. At the moment, only pay attention to stocks rehabilitation that fisheries organization releases more than 300,000 fingerlings to the rivers ends to the Caspian Sea. Importance of this study consist (1) introducing a new species to the aquaculture system and (2) provide breeders in this research. we used from 2 treatments that consist with density of 10 kg/m^3 and 20 kg/m3 with 3 replication. Results showed, culture of Caspian trout is suitable with density 10 kg/m^3, so that weight gain, SGR and Daily growth mean are better than treatment 2(15-20 kg/m^3 )
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Salmo trutta caspius ; Growth factors ; Feasibility ; Culture ; Brackish water
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 116
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  • 8
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25589 | 18721 | 2018-10-07 10:35:13 | 25589 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: The study was done in Nutrition and Live Food Station was located in Bandar Anzali Ghaziyan. Juveniles weighted average 0.5, 1, 2.5, 5, 10, 15 and 20 g were randomly selected in three water conditions with a salinity of 11 ppt (Caspian sea water), water 7 ppt and freshwater (with three replicates per group) were included. At intervals of 0, 3, 6, 12, 24, 72, 168, 240 hours, blood samples were heparinized capillary tubes by caudal juveniles and ion concentrations Mg, Ca,Cl using the spectrophotometer and sodium and potassium ions with Flaym photometry (flame photometric), the osmotic pressure of blood plasma by osmometer and cortisol levels were measured by RIA method. To study the microstructure of gill and kidney tissue for each treatment , tissue samples by classical histological methods and stained with hematoxylin - eosin slides were prepared. The frequency and location of the enzyme Na^+, K^+ - ATPase and chloride cells with immunohistochemical localization was performed. Studies micrometric gill chloride cells and renal glomerular networks by software Image tool (version 2.0) was performed. Measurement of enzyme Na^+, K^+-ATPase, by Zaugg (1982) method was conducted. Data analyzed by one-way ANOVA (Oneway ANOVA) with Tukey's test was performed. Overall, the results of measuring ions and osmotic pressure on the tenth day of treatment, the osmotic potential juveniles 2.5, 5, 10, 20 gr in Caspian sea water and all groups except the 0.5 in water of 7 ppt confirmed. But in case of unfavorable conditions for the release in estuaries river and river, fish with weight 1 to 3 release directly to beach (where the salinity is 7 grams per liter) and fishes with weight from 10 to 20 gr to sea. Although suitable river conditions necessary condition for release of juveniles in riverine areas to adaptation juveniles occur gradually.
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Rutilus frisii kutum ; Osmolarity ; Suitable size ; Release
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 54
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  • 9
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25659 | 18721 | 2018-10-08 08:29:52 | 25659 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: The Todebin dam reservoir has been constructed in central part of Abhar in the Zanjan province which has been studied with aquaculture purpose. This study was conducted on biotic and abiotic factors. The plankton, benthos and fishes were identified and the parasitology and bacteriology studies were performed on the lake fishes. Then the fisheries potential of the lake was calculated in respect of final fish farming amount and the fish releasing. The results showed the Bacillariophyta was dominated ِduring the study. the highest abundance of phytoplankton was between 2.1 and 12.5 million cells.l^-1 in the upper layer of lake as compared with the lower layer. The genus Cyclotella and Dinobryon belong to phytoplankton and Keratella and Polyathera belong to zooplankton were dominanted abundance. The mean biomass of benthos was varied from 5.5 to 29.5 g.m -2 and the Chironomidae had the most abundance. The ichtiology survey showed the presence of four cultured species and the Goldfish. The hydro-chemical results indicated no restriction for aquaculture activity. The oxygen average was more than 8 mg/l. The average of phosphate, nitrogen and hardness were measured 0.09±0.04, 2±0.8 and 237±94.5 mg/l., respectively. For the most hydrochemical factores, the values were significantly different between upper and bottom layers of the lake. The oxygen production and Chl-a amount were measured about 0.73 mg/l. and 7/03 µg/l., respectively. According to climatic restrictions, the cold fish culture is preferred than to culture of warm fishes. While the natural capacity of the lake was about 5 tones to warm fish culture, the fish production of trout was estimated about 40 tones. This volume will be available during four months periods and twice a year.
    Keywords: Aquaculture ; Iran ; Zanjan province ; Abhar ; Todebin dam reservoir ; Aquaculture ; Biotic ; Abiotic ; Plankton ; Parasitology ; Bacteriology ; Bacillariophyta ; Phytoplankton ; Cyclotella ; Dinobryon ; Ichtiology ; Hochemical factores
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 78
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  • 10
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    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25358 | 18721 | 2018-09-14 07:33:31 | 25358 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-16
    Description: This project is trying to investigate water contamination after use in ponds. For this aquaculture status, physical and chemical water properties, microbial pollutants and heavy metals levels in the some of trout ponds effluent in East Azerbaijan province were evaluated in 2007 to 2009. The information of groundwater and climate conditions in ten years, Drilling and wells piezometric Information, in local wells are reviewed. According to data obtained from analysis of water samples in the output pools range studied concentrations(term mg/l) some parameters are as follows:(BOD: 1.9-3.2), (COD: 3.4-34.1), (TSS: 26.6-42.7), (N-NO_2:0.003-.136),(P-Po4:0.0170.067), (pH:7.75-8.28). Electrical conductivity (500 ±2 to 1129±144 term µm/cm) in the effluent ponds. Based on the results of we can say that between input and effluent ponds in the review of all factors as chlorine, sulfate, sodium, potassium, total nitrogen, soluble phosphorus, total phosphorus, calcium, total hardness, magnesium, alkalinity and silica significant changes not be observed. Review of water analysis data to some factors (such as: water temperature, EC, pH, NO_2, CO_2, HCO_3, CO_3, DO, COD, BOD) and compare this data with the authorities standard confirmed that the All factors mentioned in effluent is allowed now. In terms of microbial contamination and heavy metals (Zn, Cu, Ca, Pb, Fe, Cr) is no pollution. Appropriate strategies for removing suspended materials must to use. We can use Watershed Management solutions to inject output water to the underground table. Should be noted status change (eg change in flow rate, an unusual increase in temperature, fish density increasing, reducing food quality, lack of appropriate management actions and ...) may reduce the effluent quality and the ability of injection water underground to lose. In this case, measures must be for wastewater treatment and improve the quality ponder.
    Keywords: Ecology ; Management ; Iran ; East Azerbaijan Province ; Effluent Trout ; Return ; Ground Water ; Non-agricultural ; Aquaculture ; Pollutants ; Heavy metals ; Samples ; Chlorine ; Sulfate ; Sodium ; Potassium
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 88
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