Improving dol-net selectivity by assessing square-mesh performance for covered codend experiment

Authors
Sharma, S.K., Remesan, M.P., Landge, A.T., Madhu, V.R., Bhusan, S., Jha, P.N., Ramteke, K., and Salunkhe, S.R.
Year
Journal/Publisher Name
Journal of Experimental Biology
Volume (Issue #)
47(3)
Page #s
575-584
Contact information
S.K. Sharma: shravansharmacofsn@gmail.com
Summary

This study evaluated the impact of 40mm square mesh codends on juvenile fish escapement in dol-nets in Karanja, India. In comparison to 50mm mesh, the smaller square mesh reduced juvenile fish retention and improved species selectivity.

Field Studies

Improving dol-net selectivity by assessing square-mesh performance for covered codend experiment

Study Type
Field study in the wild
Location
Karanja, India
Target catch
Harpadon nehereus (Bombay duck)
Effect on bycatch species
Reduction in catch of fish smaller than 30mm.
Effect on target catch
Higher proportion of larger fish retained in catch.
Reduction technique
Fishing Gear