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An assessment of the exploitation of the sardine stock off Vizhinjam, Southwest coast of India

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Relation http://eprints.cmfri.org.in/704/
 
Title An assessment of the exploitation of the sardine stock off Vizhinjam, Southwest coast of India
 
Creator Lazarus, S
Thiagarajan, R
 
Subject Pelagic Fisheries
Stock Assessment
Oil sardine
 
Description The sardine resources at Vizhinjam have been assessed based on bi-weekly observations and
the present level of exploitation has been studied using the surplus production model. The average
annual sardine catch has been estimated at 272 tomes, constituted by seven, species, viz. Sardinella
gibbosa (40.0%), S. longiceps (23.1%), S. sirm (20.7%). S. davi (9.8%), S. fimbriata (4.8%).
S. sindensis (1.2%) and S. clupeoides (0.4%). Gill net, boat seine, shore seine and hooks and line
were the main gears employed for the fishery with contributions of 62%. 34%, 3% and 1%
respective1 y.
The suitable model for the catch and effort data for sardine fishery at Vizhinjam during the
period 1970-77 seems to be that of Fox (1970) using boat seine as the standard effort. The MSY
(419 t) was higher than that of the average catch (272 t), but the effort to get the MSY was less
(58000) when compared to the average standard effort (112000) during the period. The landing of
the three important species of Sardines, viz; S, gibbosa, S. longiceps and S. sirm, were also assessed
by using the Schaefer and Fox models separately with boat seine as the standard effort. This also
showed a need for the reduction in the effort to get the MSY of individual species.
 
Publisher MBAI
 
Date 1994
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/704/1/Laz_Thiag_100-105.pdf
Lazarus, S and Thiagarajan, R (1994) An assessment of the exploitation of the sardine stock off Vizhinjam, Southwest coast of India. Journal of the Marine Biological Association of India, 36 (2). pp. 100-105.