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Zooplankton biomass and abundance of Antarctic krill Euphausia superba DANA in Indian Ocean sector of the southern ocean

DRS at CSIR-National Institute of Oceanography

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Title Zooplankton biomass and abundance of Antarctic krill Euphausia superba DANA in Indian Ocean sector of the southern ocean
 
Creator Ingole, B.S.
Parulekar, A.H.
 
Subject zooplankton
biomass
population density
chlorophylls
Euphausia superba
 
Description Zooplankton sampling was carried out during the first six Indian Scientific Expeditions to Antarctica (1981-1987) to estimate krill abundance in the Indian sector of the Southern Ocean (between 35 to 70 degrees S and 10 to 52 degrees E). This study aims to understand the distribution of biomass of zooplankton, especially the krill, using the data collectEd. by net sampling techniques. Total zooplankton biomass for all the sampling station ranged from 9 to 684 ml/1000 super(3) (x:143.34 + or - 138.61 SD; n = 150). Biomass data groupEd. by 5 degrees latitude interval shows the presence of higher biomass (x:191 ml/1000 m super(3); n = 31) in the Antarctic divergence region (between 60 to 65 degrees S). Euphausiid Euphausia superba DANA formed a considerable component of biomass and together with eggs and larvae represented over 60% (n = 39) of mean total zooplankton-biomass in the coastal ice region. The values for population density and biomass of adult-size krill varied between 0 to 4320 individuals and 6 to 305 ml/1000 m super(3), respectively
 
Date 2009-05-06T10:23:08Z
2009-05-06T10:23:08Z
1993
 
Type Journal Article
 
Identifier Journal of Biosciences, Vol.18(1); 141-148p.
http://drs.nio.org/drs/handle/2264/2757
 
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 Academy of Sciences, Bangalore, India