Spatial heterogeneity of mesozooplankton along the tropical coastal waters

A survey along the coast of India (~1100 km stretch) between Benaulim (Goa) in the west coast and Thoothukudi (Tamil Nadu) in the east coast was conducted during summer 2014, to evaluate the mesozooplankton community structure. Zooplankton community was dominated by holoplanktonic forms representing...

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Bibliographic Details
Published in:Continental shelf research 2020-12, Vol.206, p.104193, Article 104193
Main Authors: Anandavelu, I., Robin, R.S., Purvaja, R., Ganguly, D., Hariharan, G., Raghuraman, R., Prasad, M.H.K., Ramesh, R.
Format: Article
Language:English
Subjects:
Alternative prey
Arabian sea
Community structure
Diversity
Environmental variables
Small-sized copepods
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Summary:A survey along the coast of India (~1100 km stretch) between Benaulim (Goa) in the west coast and Thoothukudi (Tamil Nadu) in the east coast was conducted during summer 2014, to evaluate the mesozooplankton community structure. Zooplankton community was dominated by holoplanktonic forms representing 93.7% of the total zooplankton, while meroplanktonic forms constituted 6.3%. Zooplankton was generally dominated by copepods which contributed about 69%. In total, forty-eight species of copepods belonging to eighteen families dominated the zooplankton abundance, with a significant contribution of small-sized copepod genera, viz. Bestiolina, Parvocalanus, Acrocalanus, Corycaeus, Oncaea and Oithona. Total mesozooplankton and copepod density ranged from 80 ind. m−3 to 804 ind. m−3 and 28 ind. m−3 to 570 ind. m−3, respectively. Considerably higher abundance of cladocerans (Penilia avirostris and Evadne tergestina) with a significant contribution to zooplankton biomass (r2 = 0.984, p 
ISSN:0278-4343
1873-6955
DOI:10.1016/j.csr.2020.104193