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Zooplankton standing and diversity in the Gulf of Kachchh with special reference to larvae of decapoda and pisces

DRS at CSIR-National Institute of Oceanography

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Title Zooplankton standing and diversity in the Gulf of Kachchh with special reference to larvae of decapoda and pisces
 
Creator Paulinose, V.T.
Devi, C.B.L.
Nair, V.R.
Ramaiah, Neelam
Gajbhiye, S.N.
 
Subject zooplankton
biomass
seasonal variations
species diversity
dominant species
fish larvae
crustacean larvae
environmental factors
Metapenaeus affinis
Penaeus indicus
Boleopthalmus glaucus
Engraulis mystax
 
Description Zooplankton characteristics of the Gulf of Kachchh including the major creek systems of Nakti, Kandla and Hansthal were studied for monsoon, postmonsoon and pre- monsoon periods. Zooplankton collections were made at 7 locations. The area was very rich in zooplankton standing stock showing a variation of 0.59 to 185.50 ml/10 m sup(3). The maximum biomass was at st 5-112.6 ml/100 m sup(3) in monsoon; population maximum were 942 no/100 m sup(3) during monsoon, 196 no/100 m sup(3) in postmonsoon and 8027 no/100 m sup(3) during premonsoon. Metapenaeus affinis, M. dobsoni, Penaeus indicus, Parapenaeopsis stylifera and P. hardwickii were the species of penaeid prawns present in the samples. Larvae of M. affinis were dominant in the creek and gulf during monson, whereas Acetes indicus dominated in the collections during premonsoon and postmonsoon. Among the fish larvae, majority of them were in the early stages of development and the size varied from 1 mm to 5 mm. Boleopthalmus glaucus, Engraulis mystax, and Clupeids were the most common fish larvae present in this area. The major species of larvae of prawns and fishes occurring in the gulf were compared with the adults caught from the area. The environmental parameters like salinity, temperature, oxygen and nutrients were taken to study the zooplankton population, its intensity and diversity.
 
Date 2009-01-11T11:47:46Z
2009-01-11T11:47:46Z
1998
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, Vol.27; 340-345p.
http://drs.nio.org/drs/handle/2264/1878
 
Language en
 
Rights Copyright [1998]. 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 NISCAIR, CSIR