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Stock assessment of Bombay duck Harpodon nehereus (Ham.) off Maharashtra coast

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Relation http://eprints.cmfri.org.in/529/
 
Title Stock assessment of Bombay duck Harpodon nehereus (Ham.)
off Maharashtra coast
 
Creator Kurian, Alexander
Kurup, K N
 
Subject Stock Assessment
Bombay Duck
 
Description The do1 nets contribute the major share to the landing of Bombay duck Hurpodon nehereus. Features of the
do1 net fishery, fishing areaand seasonal distribution of the fishery are presented. Biological studies are chiefly
confined to food and feeding habits, analysis of maturity stages, sex ratio and length-weight relationship. The
lengthat50%maturity was observed as 230 mm. Different spawning cycles were noticed and fecundity evinced
alinearincreasewith fish weight. The growth parameters and mortality estimates were made. Assuming terminal
exploitation rate as 0.78, the average catch was observed to be 52 213 tonnes. MSY estimated by Thompson
and Bell model was 5463 1 tomes and biomass MSY as 76893 tonnes and hence it wasassumed that theBombay
duck along the Maharnshtra coast was optimally exploited.
 
Publisher CMRI/ICAR
 
Date 1992
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/529/1/Vol_39_No_3%264%3B243-248.pdf
Kurian, Alexander and Kurup, K N (1992) Stock assessment of Bombay duck Harpodon nehereus (Ham.) off Maharashtra coast. Indian Journal of Fisheries, 39 (3&4). pp. 243-248.