A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran)
Region South East of the Caspian Sea (area Goharbaran) having valuable resources biological flora and fauna, the diversity of commercial fishes, especially reserves the exclusive sturgeon as well as reserves abiotic such as oil and gas resources and transit of goods through Bandar Amirabad to Central Asia , the ecological conditions for the implementation of the project is very necessary.The aim of this study was to determine species composition, spatial and temporal distribution of plankton and fish of this region.Plankton sampled from different depths (5, 10 and 15 m) were carried out.Sampling of phytoplankton did by Ruttner and sampling of zooplankton did by net with mesh size 100 microns.The fish were sampled monthly from December 2013 to July 2014 and within months was carried out. From livestock gill Monofilament.. In this study, a total of 130 species of phytoplankton of 7 filums Bacillariophyta (60 species), Pyrrophyta (23 species), Cyanophyta (22 species), Chlorophyta (14 species), Euglnophyta (9 species), Haptophyta (1 species) and Chrysophyta (1 species )and 24 species of zooplankton branch of Copepoda (5 species), Rotatoria (7 species), porotozoa (3 species), Cladocera (9 species), and Meroplankton (2 species) of larvae of Cypris Balanus and bivalves Lamellibranchiate larvae and 256 fish Acipenser persicus at 5, Alosa braschnikowi 71 number, Alosa caspia 40 number, Benthophilius lipidus 1 number, Cluponella cultriventris 72 number, Cyprinus carpio 1 number, Liza saliens 15 number, Neogobius bathybius 1 number, Neogobius caspia 5 pcs, Neogobius flauviatilis 19 number, Neogobius gorlab 6 number, Rutilus kutum 14 number, Rutilus rutilus 2 pcs, vimba vimba 4 number was observed.Different ecological conditions appointment dietary needs and relationships of organisms and their adaptations to the environment, the density and distribution of different species of phytoplankton, zooplankton and fish specifies.Also the Caspian Sea due to the type of biological species and number of endemic species (42%) in addition to comb jelly invasion, were force of the effects some species like Gloeotrichia Echinulata and as a result, now or in the future, more species will be observed and recognized will be of most interest. Also Psedonitzschia seriata ability to produce Domick acid that can be hazardous to aquatic animals and even human, was in Goharbaran area. This was considered for fishes of the southern Caspian Sea and ecological distribution of most species depends on the region. The abundance of two species of whitefish and pelagic fish in Ghahrebaran region is more than the whole Caspian Sea. On the other hand, the dominant phytoplankton of this region is Bacillariophyta and dominant zooplankton is Copepoda, which shows the goodness of these plankton branches, and by changing the various factors as the different terms of receiving solar energy and resulting in temperature and water currents can cause seasonal differences in the density of the Bacillariophyta branch and also the Copepoda, therefore one of the most important factors is season, and in the winter, when the aquatic rotation of this ecosystem increases, it increases the nutrients and moves it from the floor to the water column, and as a result, increasing the amount of silica in various levels of water can affect the nutrition of fish.
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Format: | Report biblioteca |
Language: | Persian |
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Iranian Fisheries Science Research Institute
2018
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Subjects: | Plankton, Diversity, Abundance, Biomass, Pelagic fishes, |
Online Access: | http://hdl.handle.net/1834/13866 |
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Plankton Diversity Abundance Biomass Pelagic fishes Plankton Diversity Abundance Biomass Pelagic fishes |
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Plankton Diversity Abundance Biomass Pelagic fishes Plankton Diversity Abundance Biomass Pelagic fishes Tahami, Fatemeh Sadat Makhlough, A. Keyhansani, A.R. Lalouee, F. Rezaei, M. Nasrollahtabar, A. Parafkandeh, F. Kardar Rostami, M. Pourmand, T.M. Rowshantabari, M. Safari, F. Khodaparast, N. Shabani, Kh. Pourgholam, R. Fazli, H. Razeghian, A.R. Alavi, E.S. Sajadii, S.A. Eslami, F. A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
description |
Region South East of the Caspian Sea (area Goharbaran) having valuable resources biological flora and fauna, the diversity of commercial fishes, especially reserves the exclusive sturgeon as well as reserves abiotic such as oil and gas resources and transit of goods through Bandar Amirabad to Central Asia , the ecological conditions for the implementation of the project is very necessary.The aim of this study was to determine species composition, spatial and temporal distribution of plankton and fish of this region.Plankton sampled from different depths (5, 10 and 15 m) were carried out.Sampling of phytoplankton did by Ruttner and sampling of zooplankton did by net with mesh size 100 microns.The fish were sampled monthly from December 2013 to July 2014 and within months was carried out. From livestock gill Monofilament.. In this study, a total of 130 species of phytoplankton of 7 filums Bacillariophyta (60 species), Pyrrophyta (23 species), Cyanophyta (22 species), Chlorophyta (14 species), Euglnophyta (9 species), Haptophyta (1 species) and Chrysophyta (1 species )and 24 species of zooplankton branch of Copepoda (5 species), Rotatoria (7 species), porotozoa (3 species), Cladocera (9 species), and Meroplankton (2 species) of larvae of Cypris
Balanus and bivalves Lamellibranchiate larvae and 256 fish Acipenser persicus at 5, Alosa braschnikowi 71 number, Alosa caspia 40 number, Benthophilius lipidus 1 number, Cluponella cultriventris 72 number, Cyprinus carpio 1 number, Liza saliens 15 number, Neogobius bathybius 1 number, Neogobius caspia 5 pcs, Neogobius flauviatilis 19 number, Neogobius gorlab 6 number, Rutilus kutum 14 number, Rutilus rutilus 2 pcs, vimba vimba 4 number was observed.Different ecological conditions appointment dietary needs and relationships of organisms and their adaptations to the environment, the density and distribution of different species of phytoplankton, zooplankton and fish specifies.Also the Caspian Sea due to the type of biological species and number of endemic species (42%) in addition to comb jelly invasion, were force of the effects some species like Gloeotrichia Echinulata and as a result, now or in the future, more species will be observed and recognized will be of most interest. Also Psedonitzschia seriata ability to produce Domick acid that can be hazardous to aquatic animals and even human, was in Goharbaran area. This was considered for fishes of the southern Caspian Sea and ecological distribution of most species depends on the region. The abundance of two species of whitefish and pelagic fish in Ghahrebaran region is more than the whole Caspian Sea. On the other hand, the dominant phytoplankton of this region is Bacillariophyta and dominant zooplankton is Copepoda, which shows the goodness of these plankton branches, and by changing the various factors as the different terms of receiving solar energy and resulting in temperature and water currents can cause seasonal differences in the density of the Bacillariophyta branch and also the Copepoda, therefore one of the most important factors is season, and in the winter, when the aquatic rotation of this ecosystem increases, it increases the nutrients and moves it from the floor to the water column, and as a result, increasing the amount of silica in various levels of water can affect the nutrition of fish. |
format |
Report |
topic_facet |
Plankton Diversity Abundance Biomass Pelagic fishes |
author |
Tahami, Fatemeh Sadat Makhlough, A. Keyhansani, A.R. Lalouee, F. Rezaei, M. Nasrollahtabar, A. Parafkandeh, F. Kardar Rostami, M. Pourmand, T.M. Rowshantabari, M. Safari, F. Khodaparast, N. Shabani, Kh. Pourgholam, R. Fazli, H. Razeghian, A.R. Alavi, E.S. Sajadii, S.A. Eslami, F. |
author_facet |
Tahami, Fatemeh Sadat Makhlough, A. Keyhansani, A.R. Lalouee, F. Rezaei, M. Nasrollahtabar, A. Parafkandeh, F. Kardar Rostami, M. Pourmand, T.M. Rowshantabari, M. Safari, F. Khodaparast, N. Shabani, Kh. Pourgholam, R. Fazli, H. Razeghian, A.R. Alavi, E.S. Sajadii, S.A. Eslami, F. |
author_sort |
Tahami, Fatemeh Sadat |
title |
A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
title_short |
A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
title_full |
A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
title_fullStr |
A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
title_full_unstemmed |
A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) |
title_sort |
comparative study of plankton and pelagic fishes in the southeast caspian sea (mazanderan-goharbaran) |
publisher |
Iranian Fisheries Science Research Institute |
publishDate |
2018 |
url |
http://hdl.handle.net/1834/13866 |
work_keys_str_mv |
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dig-aquadocs-1834-138662021-05-19T06:51:02Z A comparative study of plankton and pelagic fishes in the southeast Caspian Sea (Mazanderan-Goharbaran) Tahami, Fatemeh Sadat Makhlough, A. Keyhansani, A.R. Lalouee, F. Rezaei, M. Nasrollahtabar, A. Parafkandeh, F. Kardar Rostami, M. Pourmand, T.M. Rowshantabari, M. Safari, F. Khodaparast, N. Shabani, Kh. Pourgholam, R. Fazli, H. Razeghian, A.R. Alavi, E.S. Sajadii, S.A. Eslami, F. Plankton Diversity Abundance Biomass Pelagic fishes Region South East of the Caspian Sea (area Goharbaran) having valuable resources biological flora and fauna, the diversity of commercial fishes, especially reserves the exclusive sturgeon as well as reserves abiotic such as oil and gas resources and transit of goods through Bandar Amirabad to Central Asia , the ecological conditions for the implementation of the project is very necessary.The aim of this study was to determine species composition, spatial and temporal distribution of plankton and fish of this region.Plankton sampled from different depths (5, 10 and 15 m) were carried out.Sampling of phytoplankton did by Ruttner and sampling of zooplankton did by net with mesh size 100 microns.The fish were sampled monthly from December 2013 to July 2014 and within months was carried out. From livestock gill Monofilament.. In this study, a total of 130 species of phytoplankton of 7 filums Bacillariophyta (60 species), Pyrrophyta (23 species), Cyanophyta (22 species), Chlorophyta (14 species), Euglnophyta (9 species), Haptophyta (1 species) and Chrysophyta (1 species )and 24 species of zooplankton branch of Copepoda (5 species), Rotatoria (7 species), porotozoa (3 species), Cladocera (9 species), and Meroplankton (2 species) of larvae of Cypris Balanus and bivalves Lamellibranchiate larvae and 256 fish Acipenser persicus at 5, Alosa braschnikowi 71 number, Alosa caspia 40 number, Benthophilius lipidus 1 number, Cluponella cultriventris 72 number, Cyprinus carpio 1 number, Liza saliens 15 number, Neogobius bathybius 1 number, Neogobius caspia 5 pcs, Neogobius flauviatilis 19 number, Neogobius gorlab 6 number, Rutilus kutum 14 number, Rutilus rutilus 2 pcs, vimba vimba 4 number was observed.Different ecological conditions appointment dietary needs and relationships of organisms and their adaptations to the environment, the density and distribution of different species of phytoplankton, zooplankton and fish specifies.Also the Caspian Sea due to the type of biological species and number of endemic species (42%) in addition to comb jelly invasion, were force of the effects some species like Gloeotrichia Echinulata and as a result, now or in the future, more species will be observed and recognized will be of most interest. Also Psedonitzschia seriata ability to produce Domick acid that can be hazardous to aquatic animals and even human, was in Goharbaran area. This was considered for fishes of the southern Caspian Sea and ecological distribution of most species depends on the region. The abundance of two species of whitefish and pelagic fish in Ghahrebaran region is more than the whole Caspian Sea. On the other hand, the dominant phytoplankton of this region is Bacillariophyta and dominant zooplankton is Copepoda, which shows the goodness of these plankton branches, and by changing the various factors as the different terms of receiving solar energy and resulting in temperature and water currents can cause seasonal differences in the density of the Bacillariophyta branch and also the Copepoda, therefore one of the most important factors is season, and in the winter, when the aquatic rotation of this ecosystem increases, it increases the nutrients and moves it from the floor to the water column, and as a result, increasing the amount of silica in various levels of water can affect the nutrition of fish. Iranian Fisheries Science Research Institute Published 2018-08-08T10:51:07Z 2018-08-08T10:51:07Z 2018 Report Refereed http://hdl.handle.net/1834/13866 fa 52764; 52pp. Iran Caspian Sea Mazandaran Province Goharbaran Iranian Fisheries Science Research Institute Tehran, Iran |