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Prediction efficiency of the hydrographical parameters as related to distribution patterns of the Pleuromamma species in the Indian Ocean

DRS at CSIR-National Institute of Oceanography

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Title Prediction efficiency of the hydrographical parameters as related to distribution patterns of the Pleuromamma species in the Indian Ocean
 
Creator Jayalakshmy, K.V.
Saraswathy, M.
 
Subject marine crustaceans
species
geographical distribution
hydrography
Pleuromamma
 
Description Among species of the genus Pleuromamma, P. indica was the only species existing in the Northern Indian Ocean. In the rest of the Indian Ocean the most abundant species was P. gracilis, and P. abdominalis was almost homogeneously distributed. Multiple regression model of P. indica abundance on the parameters: temperature, salinity, dissolved oxygen and phosphate-phosphorus could explain more than 85% of the variation in the predicted abundance, while those of 8 species obtained from the equatorial region and southern coast off South Africa could explain only 30% of the variations in the predicted total abundance and it was attained only when average values of the parameters were considered in both cases. Hence average values of the parameters were the optimal values of the parameters to be considered for maximum information about the distribution of pleuromamma species. High diversity and low dominance (high evenness) were observed in the distribution of Pleuromamma species in the equatorial region
 
Date 2009-01-30T05:03:32Z
2009-01-30T05:03:32Z
1990
 
Type Journal Article
 
Identifier Indian Journal of Fisheries, Vol.37(4); 313-319
http://drs.nio.org/drs/handle/2264/2447
 
Language en
 
Rights Copyright [1990]. 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 Central Marine Fisheries Research Institute, India