Assessment of phytoplankton in agricultural sewage as a feasibility index of aquaculture in Karoon River (Ahwaz to Khorramshahr)

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Abstract

In this study phytoplankton were used as a water quality index in agricultural sewage for
feasibility study of aquaculture in Ahwaz and Khorramshahr region. Monthly sampling was
done in 6 stations during one year period (2008-2009). 34 phytoplankton genuses were
identified. The most frequent classes were Bacillariophyceae (diatoms), Cyanophyceae,
Chlorophyceae, Dinophyceae. The water flow of drainage channel had inverse relationship
with phytoplankton density. Diatoms were present in all stations. Palmer index suggested that
station 2,5,6,3,4 had the highest rate of pollution respectively and station 1 was relatively
polluted. The stations of 1,2,5,3,6,4 had the highest value of useful phytoplankton index for
fish growth.

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Iranian Scientific Fisheries Journal
Volume 22, Issue 2 - Serial Number 83
November and December 2013
Pages 55-64

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