Optimization of Mesh Size of Gill Nets for Sardinella gibbosa (Bleeker)
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Date
2001
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Abstract
Fishing conducted in inshore waters off Thoothukkudi (Tamil Nadu) during 1997-98 using 16 units of nylon gill nets with 26,28, 30 and 32 mm mesh size made up of 210D/ 1/2 twine revealed that the proportionality co-efficient (k) of the gill net selectivity equation for Sardirella gibbosa was 0.104. Gill net with mesh size 29.6 rim was found to be ideal for,the commercial _exploitation or s. gibbosa which contributes considerably to the Lesser sardine fishery.of Thoothukkudi coast. The details of enmeshing pattern of different length groups of 5. gibbosa in gill nets of different mesh sizes are presented.
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