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  • 1
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    A survey on three trout farms phosphorus loading into Haraz River, north Iran (2018)
    Details
    Publication Date: 2021-05-19
    Description: A monthly survey on phosphorus loading due to fish farm sewage was conducted from July 2003 to June 2004 in Haraz River. In total, 88 water samples from eight stations and spots up and down of the three fish farms were sampled. The measurement of the phosphorus was carried out by spectrophotometer method (Hitachi, U- 2000 Model). Results showed that the fish farms had effective role in increasing phosphoric load in Haraz River.
    Description: Published
    Keywords: Oncorhynchus mykiss ; Biological production ; Phosphates ; Environmental impact ; Phosphorus ; Culture effects ; Secondary production ; Fish Culture ; Organic phosphorus ; Freshwater
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.151-160
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  • 2
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    Biological study on Gorganrood River (2021)
    In:  http://aquaticcommons.org/id/eprint/24020 | 18721 | 2018-08-02 16:53:29 | 24020 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Biological study on Gorganrood River was performed from November 1990 until October 1991. Fourteen sampling Stations along the 200km distance from Chai Qushan to estuary. Fish distribution was not similar in all parts and was more dense in lower parts. Density Of common carp, roach and white fish were more considerable particularly in spawning season. Density of benthic organism was very low and blood worms (Chironomidae) and shells of dead mollusca were obtained. Frequency of phytoplankton maximum in September and minimum in January. Bacilliarophyceae, Chlorophyceae and Mynophyceae had more biomass during studying period. Zooplankton had maximum biomass in September and minimum in February and March. Among zooplankton, Protozoa and Rotatoria had maximum biomass.
    Keywords: Biology ; Biological ; Gorganrood River ; Mazandaran province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 55-72
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  • 3
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    A survey on three trout farms phosphorus loading into Haraz River, north of Iran (2021)
    In:  http://aquaticcommons.org/id/eprint/23636 | 18721 | 2018-07-13 17:45:02 | 23636 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-14
    Keywords: Ecology ; Biological production ; Phosphates ; Environmental impact ; Phosphorus ; Culture effects ; Secondary production ; Fish Culture ; Organic phosphorus ; Freshwater ; Oncorhynchus mykiss ; Mazandaran Province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 151-160
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  • 4
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    Biological study on Gorganrood River (2018)
    Details
    Publication Date: 2021-05-19
    Description: Biological study on Gorganrood River was performed from November 1990 until October 1991. Fourteen sampling Stations along the 200km distance from Chai Qushan to estuary. Fish distribution was not similar in all parts and was more dense in lower parts. Density Of common carp, roach and white fish were more considerable particularly in spawning season. Density of benthic organism was very low and blood worms (Chironomidae) and shells of dead mollusca were obtained. Frequency of phytoplankton maximum in September and minimum in January. Bacilliarophyceae, Chlorophyceae and Mynophyceae had more biomass during studying period. Zooplankton had maximum biomass in September and minimum in February and March. Among zooplankton, Protozoa and Rotatoria had maximum biomass.
    Description: Published
    Keywords: Biological ; Sampling ; Estuary ; Density ; Common carp ; White fish ; Spawning ; Benthic ; Chironomidae ; Mollusca ; Phytoplankton ; Bacilliarophyceae ; Chlorophyceae ; Mynophyceae ; Protozoa ; Rotatoria ; Zooplankton ; Biomass
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.55-72
    Location Call Number Expected Availability
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