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Dinoflagellate Bloom Produced By Protoperidinium Divergens Response To Ecological Parameters And Anthropogenic Influences In The Junglighat Bay Of South Andaman Islands, Karthik Raji, Gadi Padmavati
Dinoflagellate Bloom Produced By Protoperidinium Divergens Response To Ecological Parameters And Anthropogenic Influences In The Junglighat Bay Of South Andaman Islands, Karthik Raji, Gadi Padmavati
Applied Environmental Research
The bloom-forming dinoflagellate, Protoperidinium divergenshas been linked with coastaleutrophication in tropical and subtropical regions. Moderate to intense harmful algal bloom of dinoflagellates Protoperidinium divergens (33,500 cells. mL-1) was observed during June 2012in Junglighat Bay of Port Blair in South Andaman. Bloom of Protoperidinium divergenswas observed for four days and declined afterwards due to heavy rainfall with low seawater temperature of 24 to 26°C. A total of 63 species and 33 genera were identified. In the present investigation, the following species of phytoplankton and zooplankton were found to be common; phytoplanktonsuch as Amphorasp., Bacteriastrumsp., Chaetocerossp., Coscinodiscussp., Rhizosoleniasp., Gonyaulaxsp., Protoperidinium sp., Pyrophacussp.and …