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Spatial distribution of dinoflagellates from the tropical coastal waters of the South Andaman, India: Implications for coastal pollution monitoring

DRS at CSIR-National Institute of Oceanography

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Title Spatial distribution of dinoflagellates from the tropical coastal waters of the South Andaman, India: Implications for coastal pollution monitoring
 
Creator Narale, D.D.
Anil, A.C.
 
Subject Aquatic communities::Phytoplankton
Microbiology::General
Aquatic pollution::Prevention and control
Aquatic ecology, productivity::General
 
Description Dinoflagellate community structure from two semi-enclosed areas along the South Andaman region, India, was investigated to assess the anthropogenic impact on coastal water quality. At the densely inhabited Port Blair Bay, the dominance of mixotrophs in water and Protoperidinoids in sediments was attributed to anthropogenic nutrient enrichment and prey availability. A significant decrease in dinoflagellate abundance from inner to outer bay emphasize the variation in nutrient availability. The dominance of autotrophs and Gonyaulacoid cysts at the North Bay highlight low nutrient conditions with less anthropogenic pressure. The occurrence of oceanic Ornithocercus steinii and Diplopsalis sp. could evince the oceanic water intrusion into the North Bay. Nine potentially harmful and red-tide-forming species including Alexandrium tamarense complex, A. minutum were identified in this study. Although there are no harmful algal bloom (HABs) incidences in this region so far, increasing coastal pollution could support their candidature towards the future HABs initiation and development
 
Date 2017-03-01T11:01:22Z
2017-03-01T11:01:22Z
2017
 
Type Journal Article
 
Identifier Marine Pollution Bulletin, vol.115(1-2); 2017; 498-506
http://drs.nio.org/drs/handle/2264/5094
 
Language en
 
Rights An edited version of this paper was published by Elsevier. Copyright [2016] Elsevier
 
Publisher Elsevier