First recorded bloom of Akashiwo sanguinea (Dinophyceae) from the Cochin backwaters, a tropical estuarine system along the South Eastern Arabian Sea-Reference-Cited by-同舟云学术

First recorded bloom of Akashiwo sanguinea (Dinophyceae) from the Cochin backwaters, a tropical estuarine system along the South Eastern Arabian Sea

Published:2020-11-26 Issue:4 Volume:49 Page:391-397
ISSN:1897-3191
Container-title:Oceanological and Hydrobiological Studies
language:en
Short-container-title:

Author:

Sathish Twinkle¹,Thomas Lathika Cicily¹,Aishwarya ¹,Benny Niya¹,Padmakumar K.B.¹

Affiliation:

1. Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology (CUSAT) , , Kerala , India

Abstract

Abstract Akashiwo sanguinea, a cosmopolitan red tide-forming dinoflagellate, is reported for the first time as a bloom from the Cochin estuary along the South Eastern Arabian Sea. Monthly sampling showed the continuous presence of A. sanguinea with occasional blooms. Blooms of A. sanguinea with the highest abundance of 2.8 × 105 cells l−1 were observed during the monsoon season (June 2019) with chlorophyll a of 17.2 mg m−3. The bloom period was characterized by higher concentrations of nitrate (26 μmol l−1) and phosphate (3.8 μmol l−1). Routine monitoring of the bloom region showed the survival of the Akashiwo sanguinea population in the temperature (26 to 30°C) and salinity (22 to 24 PSU) range indicating its eurythermal and euryhaline characteristics.

Publisher

Walter de Gruyter GmbH

Subject

Oceanography

Link

https://www.sciendo.com/pdf/10.1515/ohs-2020-0034

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