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Relative abundance and diel variation of zooplankton from south west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Relative abundance and diel variation of zooplankton from south west coast of India
 
Creator Santhakumari, V.
Peter, K.J.
 
Subject zooplankton
biomass
abundance
diurnal variations
quantitative distribution
fishing grounds
physicochemical properties
fish larvae
 
Description Relative abundance and diurnal variations of zooplankton from six anchor stations along Kerala Caost, were investigated. Samples were collected during April-May 1988 at three hour intervals from depths varying between 15 m and 40 m from the traditional fishing grounds of Kerala Coast. Average biomass values ranged from 45-95 ml 100/m sup(-3). Increase in zooplankton at night was discernible at most of the stations and the highest biomass noticed was 131 ml 100/m sup(-3). Copepods formed the most abundant group, of which calanoids predominated. A swarm of the hydromedusan species, Aequorea conica, (181/m sup(-3)) was seen at night. Quantitative and qualitative variations of various zooplankton groups from six stations in relation to selected physico chemical factors are discussed. Maximum fish larvae was observed in the night samples. Relatively high abundance of sardines, carangids and flat fish larvae in the collections is in agreement with the predominance of fish catch from the area of study.
 
Date 2009-05-06T10:30:02Z
2009-05-06T10:30:02Z
1993
 
Type Journal Article
 
Identifier Journal of the Indian Fisheries Association, Vol.23; 73-85p.
http://drs.nio.org/drs/handle/2264/2783
 
Language en
 
Rights Copyright [1993]. 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 Indian Fisheries Association