Investigation of non red tide occurrence causes in Khuzestan coastal waters

Document Type : Research Paper

Authors

Abstract

The monitoring of the harmful Alga blooms (Red tide) in the the Khuzestan coastal waters Provinces was carried out monthly at 5 stations during 2010 to 2011.  The results revealed that, Coclodinum polykrikoides blooms was not occurred during investigation times , Phytoplankton composition species were included of 45 species of diatoms (%91), 9 species of Dinoflgellates (7. 52%) and Cyanophytes with one species (1.88%).. Furthermore significant different values of nutrients were recorded. Different values of NH4 were measured for different months. In total, the measured ratio of N: P in all months were lower than Redfield Ratio (16:1) in which subsequently the environmental condition was not suitable for bloom of C. polykrikoides.

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