The effect of escape vents on the capture of black sea bass, Centropristis striata, in fish traps

Black sea bass fisheries in the Middle Atlantic have traditionally used fish traps without escape vents that required sorting the catch by size after hauling the trap. The need to reduce discard mortality and increase the yield per recruit in sea bass fisheries prompted an investigation into the eff...

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Bibliographic Details
Published in:Fisheries research 2002, Vol.54 (2), p.195-207
Main Authors: Shepherd, Gary R, Moore, Christopher W, Seagraves, Richard J
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Black sea bass
Centropristis striata
Escape vents
Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.)
Fish traps
Fundamental and applied biological sciences. Psychology
Marine
Selectivity
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Summary:Black sea bass fisheries in the Middle Atlantic have traditionally used fish traps without escape vents that required sorting the catch by size after hauling the trap. The need to reduce discard mortality and increase the yield per recruit in sea bass fisheries prompted an investigation into the effectiveness of escape vents in the traps. An array of experimental traps using one of four escape vents openings (sizes of 2.86 cm×14.6 cm, 3.18 cm×14.6 cm, 3.49 cm×14.6 cm, or 3.81 cm×14.6 cm ) was fished from May to November 1994. Use of escape vents significantly ( p
ISSN:0165-7836
1872-6763
DOI:10.1016/S0165-7836(00)00305-2