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  • 1
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    Estimation of population dynamics parameters of Scomberomorus commerson using Modal Progression Method in the Hormouzgan province waters (2018)
    Details
    Publication Date: 2021-05-19
    Description: Scombermorus commerson is one of the most important commercial fish species in the Persian Gulf and Sea of Oman. To arrange for a sustainable fishing pattern, growth parameters, mortality and exploitation rates of the fish were estimated. Fish length data were collected from 4515 fishes, science April 2007 to March 2008 in three major artisanal fish-landing sites Bandar Lengeh, Bandar Abbas and Bandar Jask in Hormouzgan province waters. The Von Bertalanffy growth parameters (L! K and t sub(0)) were estimated at 150.24 (cm), 0.66 year super(-1) and -0.157 year, respectively. The results showed that S. commerson grows very fast in the first 2 years. The results indicated that S. commerson attains its fork length 80.3 cm at the end of first year. The fork length attained at the end of the second, third and fourth years were 114.1, 131.6 and 140.6 cm, respectively. Growth performance index (f) was calculated at 4.1 which were in agreement with the findings of the other studies in the Indian Ocean. Total, natural, fishing mortality and exploitation rate were estimated at 2.11, 0.67, 1.44 year super(-1) and 0.64, respectively. Five cohorts were distinguished based on Bhattacharya's method.
    Description: Published
    Keywords: Commercial fishing ; Potential yield ; Mortality causes ; Scomberomorus commerson ; Scombermorus commerson ; Growth rate ; Mortality ; Fishery management ; Fishing mortality ; Age determination ; Population dynamics ; Marine
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.53-66
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  • 2
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    Survey on physicochemical parameters and pollutants in artificial reefs in Hormozgan province (Bandar-e- Lengeh area) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Survey on physicochemical parameters and pollutants in artificial reefs in Hormozgan province (Bandar-e-Lengeh area) was conducted during 2004-2007. After establishing of artificial reefs by Hormozgan Shilat office, selection of sampling stations is performed at summer and winter seasons. Summer and winter values for temperature were 32.9 0.5 and 21.4 0.5 centigrade. pH had a little range of tolerance (8-8.95) and its annual mean was 8.81 0.13 . Transparency is an effective parameter on monitoring of artificial reefs. Summer and winter values for Transparency were 3.8 3.72 and 5.63 0.78 meters. Annual mean of dissolved oxygen and salinity were 7.11 0.1 ppm and 39.13 0.26 ppt. Annual means of dissolved nitrate, nitrite and orthophosphate were 4.9 0.7, 1.44 0.09 and 0.97 0.06 micromole per liters respectively. Measurement of chl.a was done in summer only. The maximum concentration was 2.95 microgram per liter. Annual average percentage of silt, clay and sand were 33 10.68, 21.63 4.84 & 45.96 12.66 respectively. Organic Carbon percentage had a little rang (0.61 1.92) of changes. Its annual percentage was 0.99 0.2. Summer and winter values for COD were 1.53 0.48 & 1.62 0.48 milligrams per liter. Concentration of heavy metals (Cu , Zn, Fe, Ni & Pb) in sediments were determined .All of heavy metals (especially Pb) had higher concentration in summer than winter. The annual means of Cu, Zn, Fe, Ni & Pb were 26.5, 54.3, 27.6, 70.85 & 48.15 micrograms per gram of dried sediment. Normal aliphatic hydrocarbons (C10-C 30) were determined in water & sediment. Annual average and the summer and winter values for normal aliphatic hydrocarbons in water were 258.7, 217.8 & 299.6 micrograms per liter and for sediment were 5726.8, 12616.8 & 2132.2 micrograms per gram of dried sediment.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Physicochemical ; Artificial reef ; Heavy metals ; Aliphatic normal hydrocarbons ; Physicochemical parameters ; Survey ; Pollutants ; Sampling ; Temperature ; pH ; Transparency ; Nitrate ; Nitrite ; Sediments
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 59pp.
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  • 3
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    Water quality assessment in inlet and outlet channels of shrimp farms in Tiab Area, Hormozgan Province (2021)
    In:  http://aquaticcommons.org/id/eprint/24723 | 18721 | 2018-08-04 16:54:49 | 24723 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: The shrimp farming industry has rapidly expanded in the south of Iran and in particular in the Hormozgan province during the past decade. We studied physico-chemical parameters of water in outlet and inlet channels of shrimp farms in Tiab during July-December 2000. Water samples were collected monthly at four stations during the harvest period. The parameters assessed included pH, salinity, dissolved oxygen, nitrate, nitrite, ammonia, phosphate, total phosphate, total suspended solids and chlorophyll a. The variation of above parameters were determined to be 7.62 - 8.19, 42.75 - 52.55ppt, 2.8 - 8.3mgil, 4.46 -0.66p,mil, 0.214 .64141, 0.12-2.0711m/1, 0.13-16.1 tili/1, 0.59-10.5 µm/l, 22-121 mg/1and 0.43-5.1311m/1 respectively. Results of the analyses showed that salinity, dissolved nutrient, T.S.S and chlorophyll a in the effluent were significantly higher than the influent water (P〈0.05). A significant correlation was also found between chlorophyll a and nitrate, phosphate and suspended solid concentration (P〈0.05). Comparison of the results with the standards showed that parameters are currently within acceptable limits.
    Keywords: Aquaculture ; Environment ; Shrimp ; Tiab ; Hormozgan province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 23-34
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  • 4
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    Estimation of population dynamics parameters of Scomberomorus commerson using modal progression method in the Hormouzgan province waters (2021)
    In:  http://aquaticcommons.org/id/eprint/23800 | 18721 | 2018-07-27 15:04:01 | 23800 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Scombermorus commerson is one of the most important commercial fish species in the Persian Gulf and Sea of Oman. To arrange for a sustainable fishing pattern, growth parameters, mortality and exploitation rates of the fish were estimated. Fish length data were collected from 4515 fishes, science April 2007 to March 2008 in three major artisanal fish-landing sites Bandar Lengeh, Bandar Abbas and Bandar Jask in Hormouzgan province waters. The Von Bertalanffy growth parameters (L∞ K and t _(0)) were estimated at 150.24 (cm), 0.66 year ^(-1) and -0.157 year, respectively. The results showed that S. commerson grows very fast in the first 2 years. The results indicated that S. commerson attains its fork length 80.3 cm at the end of first year. The fork length attained at the end of the second, third and fourth years were 114.1, 131.6 and 140.6 cm, respectively. Growth performance index (f) was calculated at 4.1 which were in agreement with the findings of the other studies in the Indian Ocean. Total, natural, fishing mortality and exploitation rate were estimated at 2.11, 0.67, 1.44 year ^(-1) and 0.64, respectively. Five cohorts were distinguished based on Bhattacharya's method.
    Keywords: Fisheries ; Scombermorus commerson ; Population dynamics ; Oman ; Oman Sea ; Persian Gulf ; Indian Ocean ISW ; ISW ; Hormozgan province ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 53-66
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  • 5
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    Determination of organic pollutants in sediment & some commercial species biota from eastern waters of Hormozgan province (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25264 | 18721 | 2018-09-07 07:59:10 | 25264 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: This survey was conducted to determine the petroleum pollutants in sediment & some commercial aquatics of species in eastern waters of Hormozgan province during 2006-2008. We have selected 3 stations at 5, 10 and 20 meters depth in each of Sirik, Kuh-e-mobarak and Jask area. The selected biota were Penaeus indicus & Psettodes eruemi.Selected components of PAHs in sediment & biota samples were: Naphthalene (Na), Acenaphthylene (AcPY), Acenaphthene (AcP), Fluorene (FL), Phenantheren (PHEN), Anthracene (AN), Fluornthene (FLUR), Pyrene (PY), Benzo(a)anthracene (BaA), Chrysene(CHRY), Benzo(b) fluoranthene (BaF), Benzo(k)fluoranthene (BkF), Benzo(a) pyrene (BaP), Dibenzo(a,h)anthrancene (dBAn), Benzo(ghi)perylene (BPe), Indeno (1,2.3-cd)pyrene (IcdP) . Our results were: Based to our results Bioaccumulation of PAHs didn't relate to sex and length of selected biota. Percent of naphthalene as a PAH with two rings has a significant difference against other PAHs in all areas. High ratio of HPAH to LPAH, show the combustion source of PAHs. Values for total PAHs at shrimp in Sirik, Kuh-e- mobarak & Jask area were 349.9 ±236.7, 809.1± 605.4 & 1015±1300.1 ng/g. Values for total PAHs at Psettodes eruemi, in Sirik, Kuh-e- mobarak & Jask area were 494 ±460.8, 1465.3±1678.2 and 292.3±400.7 ng/g respectively. In shrimp samples, the values for total PAHs had significant difference between Jask & Kuh e-mobarak, whereas for Psettodes eruemi, the significant difference was observed in Jask & Kuh-e-mobark. In sediment, concentration of total PAHs and their components didn't show any significant difference with area and depth of sampling at 95% confidence level. Average concentration of total PAHs and their components with 2, 3, 4, 5and 6 rings were 279.7±117.4, 4.5± 9.3, 6.2±7.1, 5.4±1.4, 263.6±113.9 respectively. Based to NOAA standards, pollution level of sediment is lower than ERL values.
    Keywords: Pollution ; Iran ; Persian Gulf ; Hormozgan province ; Jask area ; Poly aromatic hydrocarbons ; PAH ; Oil pollution ; Sediment ; Psettodes eruemi ; Penaeus indicus ; Organic pollutants ; Species ; Biota ; Petroleum pollutants ; Aquatic
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 45
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  • 6
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    Survey on physicochemical parameters and pollutants in artificial reefs in Hormozgan province (Bandar-e- Lengeh area) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25265 | 18721 | 2018-09-07 07:24:14 | 25265 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Survey on physicochemical parameters and pollutants in artificial reefs in Hormozgan province (Bandar-e-Lengeh area) was conducted during 2004-2007. After establishing of artificial reefs by Hormozgan Shilat office, selection of sampling stations is performed at summer and winter seasons. Summer and winter values for temperature were 32.9 0.5 and 21.4 0.5 centigrade. pH had a little range of tolerance (8-8.95) and its annual mean was 8.81 0.13 . Transparency is an effective parameter on monitoring of artificial reefs. Summer and winter values for Transparency were 3.8 3.72 and 5.63 0.78 meters. Annual mean of dissolved oxygen and salinity were 7.11 0.1 ppm and 39.13 0.26 ppt. Annual means of dissolved nitrate, nitrite and orthophosphate were 4.9 0.7, 1.44 0.09 and 0.97 0.06 micromole per liters respectively. Measurement of chl.a was done in summer only. The maximum concentration was 2.95 microgram per liter. Annual average percentage of silt, clay and sand were 33 10.68, 21.63 4.84 & 45.96 12.66 respectively. Organic Carbon percentage had a little rang (0.61 1.92) of changes. Its annual percentage was 0.99 0.2. Summer and winter values for COD were 1.53 0.48 & 1.62 0.48 milligrams per liter. Concentration of heavy metals (Cu, Zn, Fe, Ni & Pb) in sediments were determined .All of heavy metals (especially Pb) had higher concentration in summer than winter. The annual means of Cu, Zn, Fe, and Ni & Pb were 26.5, 54.3, 27.6, 70.85 & 48.15 micrograms per gram of dried sediment. Normal aliphatic hydrocarbons (C10-C 30) were determined in water & sediment. Annual average and the summer and winter values for normal aliphatic hydrocarbons in water were 258.7, 217.8 & 299.6 micrograms per liter and for sediment were 5726.8, 12616.8 & 2132.2 micrograms per gram of dried sediment.
    Keywords: Ecology ; Pollution ; Iran ; Persian Gulf ; Hormozgan Province ; Bandar-e-Lengeh ; Artificial reef ; Heavy metals ; Aliphatic normal hydrocarbons ; Physicochemical parameters ; Survey ; Pollutants ; Sampling ; Temperature ; pH ; Transparency ; Nitrate ; Nitrite ; Sediments
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 59
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  • 7
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    Nickel concentration in Penaeus indicus from Jask coastal waters, Persian Gulf (2021)
    In:  http://aquaticcommons.org/id/eprint/21843 | 18721 | 2018-01-14 19:23:13 | 21843 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-03
    Description: We assessed the metal-accumulating ability of the shrimp Penaeus indicus for Nickel (Ni) in 2008. Shrimps were seasonally (autumn and winter) collected from Jask coastal area, East of Hormuzgan province in the Persian Gulf. The samples were washed with seawater and dried with the help of freeze dryer and digested using a microwave digester in a super-pure nitric acid solution. The Nickel concentration was determined with Atomic Absorption Spectrometers (AAS). The result showed the mean Nickel concentration of male and female in autumn and winter were 0.007-0.084 and 0.007-0.087µg/g of dry weight, respectively. No significant differences in concentrations of Nickel in shrimps (male and female) and seasons (autumn and winter) were detected (P〉0.05).
    Keywords: Biology ; Fisheries ; Nickel ; Penaeus indicus ; Jask ; Hormuzgan Province ; Persian Gulf ; iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 153-158
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  • 8
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    Water quality assessment in inlet and outlet channels of shrimp farms in Tiab Area, Hormozgan Province (2018)
    Details
    Publication Date: 2021-05-19
    Description: The shrimp farming industry has rapidly expanded in the south of Iran and in particular in the Hormozgan province during the past decade. We studied physico-chemical parameters of water in outlet and inlet channels of shrimp farms in Tiab during July-December 2000. Water samples were collected monthly at four stations during the harvest period. The parameters assessed included pH, salinity, dissolved oxygen, nitrate, nitrite, ammonia, phosphate, total phosphate, total suspended solids and chlorophyll a. The variation of above parameters were determined to be 7.62 - 8.19, 42.75 - 52.55ppt, 2.8 - 8.3mgil, 4.46 -0.66p,mil, 0.214 .64141, 0.12-2.0711m/1, 0.13-16.1 tili/1, 0.59-10.5 µm/l, 22-121 mg/1and 0.43-5.1311m/1 respectively. Results of the analyses showed that salinity, dissolved nutrient, T.S.S and chlorophyll a in the effluent were significantly higher than the influent water (P〈0.05). A significant correlation was also found between chlorophyll a and nitrate, phosphate and suspended solid concentration (P〈0.05). Comparison of the results with the standards showed that parameters are currently within acceptable limits.
    Description: Published
    Keywords: Shrimp ; Tiab ; Water quality ; Comparison ; Oxygen ; Nitrate ; Nitrite ; Ammonia ; Phosphates ; Chlorophyll
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.23-34
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  • 9
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    Determination of organic pollutants in sediment & some commercial species biota from eastern waters of Hormozgan province (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This survey was conducted to determine the petroleum pollutants in sediment & some commercial aquatics of species in eastern waters of Hormozgan province during 2006-2008. We have selected 3 stations at 5, 10 and 20 meters depth in each of Sirik, Kuh-e-mobarak and Jask area. The selected biota were Penaeus indicus & Psettodes eruemi.Selected components of PAHs in sediment & biota samples were: Naphthalene (Na), Acenaphthylene (AcPY), Acenaphthene (AcP), Fluorene (FL), Phenantheren (PHEN), Anthracene (AN), Fluornthene (FLUR), Pyrene (PY), Benzo(a)anthracene (BaA) , Chrysene(CHRY), Benzo(b) fluoranthene (BaF), Benzo(k)fluoranthene (BkF), Benzo(a) pyrene (BaP), Dibenzo(a,h)anthrancene (dBAn), Benzo(ghi)perylene (BPe), Indeno (1,2.3-cd)pyrene (IcdP) . Our results were: Based to our results Bioaccumulation of PAHs didn't relate to sex and length of selected biota. Percent of naphthalene as a PAH with two rings has a significant difference against other PAHs in all areas. High ratio of HPAH to LPAH, show the combustion source of PAHs. Values for total PAHs at shrimp in Sirik, Kuh-e- mobarak & Jask area were 349.9 ±236.7, 809.1± 605.4 & 1015±1300.1 ng/g. Values for total PAHs at Psettodes eruemi, in Sirik, Kuh-e- mobarak & Jask area were 494 ±460.8, 1465.3±1678.2 and 292.3±400.7 ng/g respectively. In shrimp samples, the values for total PAHs had significant difference between Jask & Kuh e-mobarak, whereas for Psettodes eruemi, the significant difference was observed in Jask & Kuh-e-mobark. In sediment, concentration of total PAHs and their components didn't show any significant difference with area and depth of sampling at 95% confidence level. Average concentration of total PAHs and their components with 2, 3, 4, 5and 6 rings were 279.7±117.4, 4.5± 9.3, 6.2±7.1, 5.4±1.4, 263.6±113.9 respectively. Based to NOAA standards, pollution level of sediment is lower than ERL values.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Commercial ; Poly aromatic hydrocarbons ; PAH ; Oil pollution ; Sediment ; Psettodes eruemi ; Penaeus indicus ; Organic pollutants ; Species ; Biota ; Petroleum pollutants ; Aquatic
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 45pp.
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  • 10
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    Water quality assessment in inlet and outlet channels of shrimp farms in Tiab Area, Hormozgan Province (2018)
    Details
    Publication Date: 2021-05-19
    Description: The shrimp farming industry has rapidly expanded in the south of Iran and in particular in the Hormozgan province during the past decade. We studied physico-chemical parameters of water in outlet and inlet channels of shrimp farms in Tiab during July-December 2000. Water samples were collected monthly at four stations during the harvest period. The parameters assessed included pH, salinity, dissolved oxygen, nitrate, nitrite, ammonia, phosphate, total phosphate, total suspended solids and chlorophyll a. The variation of above parameters were determined to be 7.62 - 8.19, 42.75 - 52.55ppt, 2.8 - 8.3mg/1, 4.46 -0.66µm/l, 0.21-1.64µg/l, 0.12-2.07µm/l, 0.13-16.1µm/l, 0.59-10.5µm/l, 22-121mg/l and 0.43-5.13gm/l respectively. Results of the analyses showed that salinity, dissolved nutrient, T.S.S and chlorophyll a in the effluent were significantly higher than the influent water (P〈0.05). A significant correlation was also found between chlorophyll a and nitrate, phosphate and suspended solid concentration (P 〈0.05). Comparison of the results with the standards showed that parameters are currently within acceptable limits.
    Description: Published
    Keywords: Physico-chemical ; Shrimp ; Samples ; pH ; Salinity ; Dissolved oxygen ; Nitrate ; Nitrite ; Ammonia ; Phosphate
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.23-34
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