Toxic Species (Pseudo-nitzschia Seriata) in the Southern Caspian Sea

Tahami Fs and Keyhan Sani Ar
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Keyhan Sani Ar: Iranian Fisheries Research Organization, Iranian

Oceanography & Fisheries Open Access Journal, 2017, vol. 3, issue 5, 151-153

Abstract: This study done in 2010-2011 through Spring, Summer, Autumn and Winter, in 32 studies from 8 transects (Astara, Anzali, Sefidrood, Tonekabon, Noshahr, Babolsar, and Bandar Turkman). In each transect, have choosen 5 stations and different depths of 5m, 10m, 20m, 50m and 100m were sampled quarterly from the zero depth (level), 10m, 20m, 50m and 100m were by Niskin sampler. Since 2005 a new species of diatoms called Pseudo-nitzschia seriata found in the southern Caspian Sea and in the Caspian Sea, adapted itself to new conditions and the ability to grow and reproduce in the environment has increased. Pseudo-nitzschia seriata is a eukaryotic cell with ability to produce Domic acid that can be harmful to aquatic and human.Due to various Physic and Chemical factors such as temperature change (change of seasons), high concentrations of dissolved nitrogen in all of these examples can effect on the toxin (Domic acid) production, then in different seasons, transects and deeps are different. This fish disease because of some factors such as temperature change (change of seasons), high concentrations of dissolved.

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Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jofoaj:v:3:y:2017:i:5:p:151-153

DOI: 10.19080/OFOAJ.2017.03.555624

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