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Maximum sustainable yield estimates of barramundi <i>Lates calcarifer</i> fishery from Pakistani waters

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Title Maximum sustainable yield estimates of barramundi Lates calcarifer fishery from Pakistani waters
 
Creator MEMON, Khadim H.
LIU, Qun
KALHORO, Muhsan A.
NABI, Abdul
KUI, Zhang
 
Subject Lates calcarifer
Maximum sustainable yield
Pakistan
Surplus production model
 
Description 825-832
Maximum Sustainable Yield (MSY) of Barramundi Lates calcarifer (Bloch, 1790) fishery of Pakistan are estimated based on catch and effort data from 1995-2009. Two computer software packages CEDA (catch effort data analysis) and ASPIC (a surplus production model incorporating covariates) were applied. In CEDA initial proportion (IP) was used ranging from 0.1-09. The obtained MSY results using IP 0.8 (because the initial catch was roughly 80% of the maximum catch) in normal, log-normal and gamma error assumptions for Fox, Schaefer and Pella-Tomlinson models were about 107t-117t and estimated R2 for three models with three error assumptions were about 0.61-0.67. Estimated MSY results of Fox and Schaefer models using ASPIC computer software package were 118t and 109t and estimated R2 for Fox and Schaefer models were 0.803 and 0.794 respectively. Estimated values of MSY are smaller than the recent catch which indicates that the fishery of L. calcarifer in Pakistani waters is over-exploited.
 
Date 2016-07-20T11:03:27Z
2016-07-20T11:03:27Z
2015-06
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/jspui/handle/123456789/34822
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.44(06) [June 2015]