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  • 1
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    Assessing the effects of urea and TMRL media on laboratory cultivation of Gracilaria corticata (2018)
    Details
    Publication Date: 2021-05-19
    Description: The effects of urea and TMRL media have been surveyed on the laboratory cultivation of Gracilaria corticata during 41 days in spring 2002, using sea water as control. We used nine 25 litre aquariums each containing 100 grams of the red algae. During the experiments, pH, salinity and water temperature were measured daily, airing was conducted continually, and 80% of the water in each aquarium was changed every other day adding the required culture media after the change. Water pH ranged between 8.1 -±0.02 to 9.05 -±0.4, salinity was recorded between 3741 ppm, and temperature range was 24.5±0.49 to 35.3±0.86 degrees centigrade. We measured daily growth rate, net production and final weight of the algae for urea and TMRL culture media which the TMRL culture media provided the highest growth rate and we spotted a change in colour of the algae treated with this medium ranging from dark brown to light brown and colourless phase.
    Description: Published
    Keywords: Gracilaria corticata ; Red algae ; Urea ; TMRL ; Media ; Temperature ; Salinity ; Water
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.87-98
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  • 2
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    An investigation of effects of varying densities of red algae (Gracilaria corticata) on Algal growth parameters in fiber glass culture tanks (2018)
    Details
    Publication Date: 2021-05-19
    Description: Possible effects of varying densities of cultured red algae Gracilaria corticata on algal growth parameters were studied using three density treatments 500, 1000 and 20002 g/m2 in nine culture tanks. We conducted the experiment in April to June 2002 and carried out daily tests of salinity, pH and temperature which were in the range 37-40ppm. 0.5-8.04 and 23-32 degrees centigrade. Epiphytes such as Nitzschia, Navicula and Hypnea and grazers such as Amphipoda, Isopoda and Nereis were detected in the tanks during the experiment. We observed the highest daily growth and net production in treatment one (500g/m2) to be 3.74±0.31 and 38.3±5.4 respectively and the lowest measurements were seen in treatment three (2000 g/m2) recorded as 3.74±0.31 and 38.3±5.4 respectively. Daily growth measurements were significantly different among treatments (P〈0.05). Net production as significantly different between treatment one as a group and other treatments (P 0.05). This was not the case between treatments and three.
    Description: Published
    Keywords: Red algae ; Gracilaria corticata ; Algal growth ; Density ; Salinity ; pH ; Temperature ; Epiphytes ; Nitzschia ; Navicula ; Hypnea ; Growth ; Parameters
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.13-24
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  • 3
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    Assessing the effects of urea and TMRL media on laboratory cultivation of Gracilaria corticata (2018)
    Details
    Publication Date: 2021-05-19
    Description: The effects of urea and TMRL media have been surveyed on the laboratory cultivation of Gracilaria corticata during 41 days in spring 2002, using sea water as control. We used nine 25 liter aquariums each containing 100 grams of the red algae. During the experiments, pH, salinity and water temperature were measured daily, airing was conducted continually, and 80% of the water in each aquarium was changed every other day adding the required culture media after the change. Water pH ranged between 8.1±0.02 to 9.05±0.4, salinity was recorded between 37-41 ppm, and temperature range was 24.5±0.49 to 35.3±0.86 degrees centigrade. We measured daily growth rate, net production and final weight of the algae for urea and TMRL culture media which the TMRL culture media provided the highest growth rate and we spotted a change in colour of the algae treated with this medium ranging from dark brown to light brown and colourless phase.
    Description: Published
    Keywords: Urea ; TMRL media ; Gracilaria corticata ; Red algae ; Aquariums ; pH ; Salinity ; Temperature ; Culture ; Growth
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.87-98
    Location Call Number Expected Availability
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  • 4
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    An investigation of effects of varying densities of red algae (Gracilaria corticata) on algal growth parameters in fiber glass culture tanks (2021)
    In:  http://aquaticcommons.org/id/eprint/24278 | 18721 | 2018-08-04 06:33:38 | 24278 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Possible effects of varying densities of cultured red algae Gracilaria corticata on algal growth parameters were studied using three density treatments 500. 1000 and 2000g.m^2 in nine culture tanks. We conducted the experiment in April to June 2002 and carried out daily tests of salinity, pH and temperature which were in the range 37- 4Oppm. 0.5-8.04 and 23- 32 degrees centigrade. Epiphytes such as Nitzschia, Navicula and Hypnea and grazers such as Amphipoda, Isopoda and Nereis were detected in the tanks during, the experiment. We observed the highest daily growth and net production in treatment one (500g/ m^2) to be 3.74±0.31 and 38.3±5.4 respectively and the lowest measurements were seen in treatment three (200k/m^2) recorded as 3.74±0.3 1 and 38.3±5.4 respectively. Daily growth measurements were significantiv different among, treatments (P〈0.05). Net production was significantly different between treatment one as a group and other two treatments (p〈0.05). This was not the case between treatments two and three.
    Keywords: Aquaculture ; Gracilaria corticata ; Density ; Growth ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 13-24
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  • 5
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    Assessing the effects of urea and TMRL media on laboratory cultivation of Gracilaria corticata (2021)
    In:  http://aquaticcommons.org/id/eprint/24268 | 18721 | 2018-08-04 06:14:53 | 24268 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: The effects of urea and TMRL media have been surveyed on the laboratory cultivation of Gracilaria corticata during 41 days in spring 2002, using sea water as control. We used nine 25 liter aquariums each containing 100 grams of the red algae. During the experiments, pH, salinity and water temperature were measured daily, airing was conducted continually, and 80% of the water in each aquarium was changed every other day adding the required culture media after the change. Water pH ranged between 8.1±0.02 to 9.05±0.4, salinity was recorded between 37-41 ppm, and temperature range was 24.5±0.49 to 35.3±0.86 degrees centigrade. We measured daily growth rate, net production and final weight of the algae for urea and TMRL culture media which the TMRL culture media provided the highest growth rate and we spotted a change in colour of the algae treated with this medium ranging from dark brown to light brown and colourless phase.
    Keywords: Aquaculture ; Red algae ; Gracilaria corticata ; Urea and TMRL media ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 87-98
    Location Call Number Expected Availability
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    PAPER (OA)
  • 6
    facet.materialart.
    Unknown
    An investigation of effects of varying densities of red algae (Gracilaria corticata) on Algal growth parameters in fiber glass culture tanks (2018)
    Details
    Publication Date: 2021-05-19
    Description: Possible effects of varying densities of cultured red algae Gracilaria corticata on algal growth parameters were studied using three density treatments 500. 1000 and 2000g.m2 in nine culture tanks. We conducted the experiment in April to June 2002 and carried out daily tests of salinity, pH and temperature which were in the range 37- 4Oppm. 0.5-8.04 and 23- 32 degrees centivade. Epiphytes such as Nitzschia, Navicula and Hypnea and grazers such as Amphipoda, Isopoda and Nereis were detected in the tanks during, the experiment. , We observed the highest daily growth and net production in treatment one (500g/ m2) to be 3.74±0.31 and 38.3±5.4 respectively and the lowest measurements \\ere seen in treatment three (200kim2) recorded as 3.74±0.3 1 and 38.3±5.4 respectively. Daily growth measurements were significantiv different among, treatments (PK0.05). Net production was significantly different between treatment one as a group and other two treatments (pk-0.05). This was not the case between treatments two and three.
    Description: Published
    Keywords: Gracilaria corticata ; Density ; Growth parameters
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.13-24
    Location Call Number Expected Availability
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