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Estimates of the stocks of the spiny lobster Panulirus polyphagus (Herbst) in the trawling grounds off Bombay

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Relation http://eprints.cmfri.org.in/735/
 
Title Estimates of the stocks of the spiny lobster Panulirus polyphagus (Herbst) in the trawling grounds off Bombay
 
Creator Kagwade, P V
 
Subject Stock Assessment
Lobsters
Estimation
 
Description Panulinrs polyphagus is one of the major species contributing about 87.2% to the average
annual landings of 341 tonma of the spiny lobsters landed at 6 seleded lobster landing centres of
this country duripg 1978-85. 'Ihis particular species is landed in 4 of those selected centres and
among then: Bombay contributed as much as 63.67% to it.
Stock studies reveal that tote1 mortality coefficient 'Z' is 1.76 for males and 1.15 for females.
Growth parameters determined by Kagwade (1987 a) are made use of in estimating the natural
mortality coefficient 'M', the values of which are 0.33 for males and 0.35 for females. The fishing
mortality coefficient 'F' deduced from these, equals 1.43 for males and 0.80 for females. The total
stock estimated is 452.66 t, the standing stock is 271.12 t, and the maximum sustainable yield is
168.42 t.
 
Publisher MBAI
 
Date 1994
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/735/1/Kagw_161-166.pdf
Kagwade, P V (1994) Estimates of the stocks of the spiny lobster Panulirus polyphagus (Herbst) in the trawling grounds off Bombay. Journal of the Marine Biological Association of India, 36 (2). pp. 161-167.