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Lack of seasonal and geographic variation in mesozooplankton biomass in the Arabian Sea and its structure in the mixed layer

DRS at CSIR-National Institute of Oceanography

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Title Lack of seasonal and geographic variation in mesozooplankton biomass in the Arabian Sea and its structure in the mixed layer
 
Creator Madhupratap, M.
Gopalakrishnan, T.C.
Haridas, P.
Nair, K.K.C.
Aravindakshan, P.N.
Padmavati, G.
Paul, S.
 
Subject zooplankton
biomass
seasonal variations
abundance
composition
primary production
 
Description Mesozooplankton standing stock, abundance and composition were studied during three seasons (summer, winter and inter-monsoon) from coastal and open ocean waters of the central and eastern Arabian Sea in 1994-95. Concentrations were generally higher in the mixed layer compared to deeper strata. A noteworthy feature was that the standing stocks and abundances did not vary significantly between seasons and areas. Vertical migrations appeared to be in a low key. In all seasons herbivores dominated, followed by carnivores. A few species, common in all seasons, accounted the majority of the population. The 'paradox' of the Arabian Sea, that zooplankton biomass remains more or less invariant, despite seasonally varying primary production regimes, could be explained by a microbial loop.
 
Date 2009-01-20T12:13:11Z
2009-01-20T12:13:11Z
1996
 
Type Journal Article
 
Identifier Current Science, Vol.71; 863-868p.
http://drs.nio.org/drs/handle/2264/2154
 
Language en
 
Rights Copyright [1996]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Current Science Association, Bangalore, India