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  • Fisheries  (13)
  • 2015-2019  (13)
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Year
  • 1
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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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  • 2
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    Conservation and restoration of Caspian salmon (Salmo trutta caspius) stocks in the southern Caspian (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: The project is funded by the CASPECO Project which is the Third Phase of the GEF supported project in the Caspian Sea region titled “The Caspian Sea: Restoring Depleted Fisheries and Consolidation of a Permanent Regional Environmental Governance Framework” , and implemented by the Iranian Fisheries Research Organization (IFRO) in partnership with four Coastal Research Centers affiliated to IFRO, Coldwater Fishes Research Centre (CFRC).The project's objective is to improve the conservation and restoration of Caspian Salmon (Salmo trutta caspius) stocks. In accordance with IUCN criteria Caspian Salmon is placed in the red list of endangered fish. In the recent decades the destruction of habitats for juveniles, reduction of genetic diversity and fish immune system were main causes of the Caspian salmon decline. Numbers of public meetings were held with participation of fishing communities’ representatives, experts, relevant local authorities and experts of the IFRO and Iranian Fisheries Organization (IFO), Iran Environment Protection Organization (IEPO), Water Resource Management (Ministry of Energy) and University senior professors, in order to create interaction and understanding of the project objectives. Educational awareness and extension program were conducted with the involvement of fisheries communities, private sector and NGO associations. The results of the project suggests that cross-sectoral coordination for sustainable fisheries can be achieved through building partnerships and enhancing communication between the environment, private , fisheries sectors and academia. Cross-sectoral cooperation through this project improved public awareness on growing risks facing Caspian Salmon from different sources including local sources (illegal fishing and over-fishing, urban wastewater, environment destruction, industrial pollutants, pollution of air and water resources), new emerging and invasive organisms, climate change, implications of the Caspian salmon population decline on economic and social affairs of the people who depend on them for their livelihood and food security and their role in fish stock protection. The project, through its capacity building, extension and educational programs and efforts to link science to management, could translate scientific findings into an action agenda for managers and policy makers that can bring an improvement in the future of the Caspian Sea salmon stock.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Environmental ; Conservation ; Salmo trutta caspius ; Caspian salmon ; Fisheries ; IFRO ; Juvenile ; Genetic diversity ; Immune system ; Illegal fishing ; Pollution
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 194pp.
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  • 3
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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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  • 4
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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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  • 5
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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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  • 6
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    Diet of Rutilus frisii kutum x Ctenopharyngodon idella hybrid (2018)
    Details
    Publication Date: 2021-05-19
    Description: This research project was carried out in Gulian Fisheries Research Center in 1998. For this purpose, two ponds were selected: Pond No. 1 with 450m2 area and pond No.2 with 250m2 area and then 3500 pieces/hectar of hybrids with 5-7g weight were added to the ponds. In order to determine their main food, they were fed by pelletes and grass according to their mean weight. Meanwhile, by adding mineral and organic fertilizers to the water, a suitable media including phytoplanktons, zooplanktons and benthoses were prepared for feeding of fishes. The stomach contents observations of 160 specimen of hybrids showed that this hybrid is a herbivorous fish and macrophytes were their main diet; and phytoplanktons could be considered as the secondary random food.
    Description: Published
    Keywords: Rutilus frisii kutum ; Grass Carp ; Hybrid ; Diet ; Fisheries ; Weight ; Fertilizer ; Phytoplanktons ; Zooplanktons ; Benthoses ; Specimens
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.31-42
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  • 7
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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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  • 8
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    Study of barriers and strategies for development of ornamental fish industry in Iran “case study of Markazi Province” (2017)
    Details
    Publication Date: 2021-05-19
    Description: Caspian Sea, Persian Gulf and the natural aquatic environment, made Iran’s geo-strategic and socioeconomic situation of the fisheries and aquaculture sector unique. This sector in the three areas of “ecotourism”, “food production” and “social behavior” play a crucial role in achieving Iran's Vision Policy of 1404 goals. However, Iran's valuable position in ornamental fish farming industry has been less attention and several issues challenged its development trend. Markazi is one of the leading provinces in this industry. So the main purposes of research were to identify current situation and providing development strategies. This study was descriptive and data were collected by survey method. The Statistical population was ornamental fish’s Producers and experts in Markazi province which due to limit number, census sampling was applied. The main tool for gathering information was questionnaire which its face validity confirmed through educational specialist and expert’s viewpoint. Also, the reliability of research tool was evaluated by Coronbach Alfa Test. The results showed that "Employment and income" and "Interest in breeding ornamental fish" were two main reasons to attract practitioners to this industry. The respondents considered the current situation ornamental fish industry, undesirable (Score 1.17 out of 5). Factor analysis showed that five factors named; "Corporate management and food resources", "management of extension and informing about authentic breeding principles", "Care Management and Insurance", "imported fish quality management" and "technical and financial support" have explained about 80% of the variance of the current situation and barriers to the development of ornamental fish industry in Markazi Province. The most important strategies to reduce facing problem in mentioned industry were development priority belonged ornamental fish industry trade system and development of specialized human resources training.
    Description: Published
    Keywords: Ornamental fish industry ; ِDevelopment ; Ornamental ; Fish ; Industry ; Fisheries ; Aquaculture ; Quality
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.133-148
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  • 9
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    Sustainable exploitation of the bony fishes in Iranian coastal waters of the Caspian Sea: Necessities and Requirements (2018)
    Details
    Publication Date: 2021-05-19
    Description: The Caspian Sea has a high ecological and biological value due to harboring important commercial bony fishes and sturgeons. There are more than 15 species of bony fishes (excluding kilka) which are harvested by 135 fishing cooperatives in Iranian coastal waters of the Caspian Sea and 10000 fishermen are involved in exploitation of these fishes. Annually, between 20 to 24 thousand tons of commercial bony fishes as Caspian kutum, mullets, bream, pikeperch, European carp, Caspian salmon, shads and other fish species are caught in Iranian coastal waters of the Caspian Sea. Strengths, weaknesses, opportunities and threats (SWOT) in exploitation of the bony fishes have been surveyed. SWOT results were analyzed considering the long-term development plan of the Iranian Fisheries Organization for sustainable and responsible exploitation of bony fish species. The effective strategies including rehabilitation of spawning grounds in the rivers, restocking of endangered species, controlling illegal fishing and decreasing the number of beach seine fishing cooperatives were determined as required in Iranian coastal waters of the Caspian Sea.
    Description: Published
    Keywords: Fishery management ; Illegal fishing ; Beach seines ; Endangered Species ; Acipenser ; Salmonidae ; Brackish ; Biological surveys ; Commercial fishing ; Fisheries ; Nature conservation ; Exploitation ; Freshwater fish
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.108-118
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  • 10
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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
    Format: 180pp.
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