The feasibility of escape mechanisms in conical snow crab traps
<qd> Winger, P. D., and Walsh, P. J. 2007. The feasibility of escape mechanisms in conical snow crab traps. – ICES Journal of Marine Science, 64: 1587–1591. </qd>Laboratory observations and morphometric measurements of snow crab ( Chionoecetes opilio ) were conducted to examine the feasi...
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fthighwire:oai:open-archive.highwire.org:icesjms:64/8/1587 2023-05-15T15:54:09+02:00 The feasibility of escape mechanisms in conical snow crab traps Winger, Paul D. Walsh, Philip J. 2007-10-17 text/html http://icesjms.oxfordjournals.org/cgi/content/short/64/8/1587 https://doi.org/10.1093/icesjms/fsm125 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/64/8/1587 http://dx.doi.org/10.1093/icesjms/fsm125 Copyright (C) 2007, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2007 fthighwire https://doi.org/10.1093/icesjms/fsm125 2007-11-12T09:57:09Z <qd> Winger, P. D., and Walsh, P. J. 2007. The feasibility of escape mechanisms in conical snow crab traps. – ICES Journal of Marine Science, 64: 1587–1591. </qd>Laboratory observations and morphometric measurements of snow crab ( Chionoecetes opilio ) were conducted to examine the feasibility of incorporating rigid escape mechanisms into conical snow crab traps to improve trap selectivity. Under laboratory conditions, undersized adolescent male snow crab (≤94 mm carapace width) were capable of detecting, approaching, and interacting with escape mechanisms, and the location of the mechanisms was important in determining the likelihood of escape success. Escape mechanisms mounted low on the exterior wall of the trap received more than three times the number of penetration attempts than those mounted higher, although successful escape rates were very low. There was no difference in behaviour or escape success between traditional mesh traps and experimental wire (Aquamesh®) traps fitted with escape mechanisms. Morphometric measurements suggest that an escape diameter of 95 mm would optimize the egress of small crab and prevent the loss of legal-sized crab. Text Chionoecetes opilio Snow crab HighWire Press (Stanford University) ICES Journal of Marine Science 64 8 1587 1591 |
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HighWire Press (Stanford University) |
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English |
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Articles Winger, Paul D. Walsh, Philip J. The feasibility of escape mechanisms in conical snow crab traps |
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description |
<qd> Winger, P. D., and Walsh, P. J. 2007. The feasibility of escape mechanisms in conical snow crab traps. – ICES Journal of Marine Science, 64: 1587–1591. </qd>Laboratory observations and morphometric measurements of snow crab ( Chionoecetes opilio ) were conducted to examine the feasibility of incorporating rigid escape mechanisms into conical snow crab traps to improve trap selectivity. Under laboratory conditions, undersized adolescent male snow crab (≤94 mm carapace width) were capable of detecting, approaching, and interacting with escape mechanisms, and the location of the mechanisms was important in determining the likelihood of escape success. Escape mechanisms mounted low on the exterior wall of the trap received more than three times the number of penetration attempts than those mounted higher, although successful escape rates were very low. There was no difference in behaviour or escape success between traditional mesh traps and experimental wire (Aquamesh®) traps fitted with escape mechanisms. Morphometric measurements suggest that an escape diameter of 95 mm would optimize the egress of small crab and prevent the loss of legal-sized crab. |
format |
Text |
author |
Winger, Paul D. Walsh, Philip J. |
author_facet |
Winger, Paul D. Walsh, Philip J. |
author_sort |
Winger, Paul D. |
title |
The feasibility of escape mechanisms in conical snow crab traps |
title_short |
The feasibility of escape mechanisms in conical snow crab traps |
title_full |
The feasibility of escape mechanisms in conical snow crab traps |
title_fullStr |
The feasibility of escape mechanisms in conical snow crab traps |
title_full_unstemmed |
The feasibility of escape mechanisms in conical snow crab traps |
title_sort |
feasibility of escape mechanisms in conical snow crab traps |
publisher |
Oxford University Press |
publishDate |
2007 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/64/8/1587 https://doi.org/10.1093/icesjms/fsm125 |
genre |
Chionoecetes opilio Snow crab |
genre_facet |
Chionoecetes opilio Snow crab |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/64/8/1587 http://dx.doi.org/10.1093/icesjms/fsm125 |
op_rights |
Copyright (C) 2007, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsm125 |
container_title |
ICES Journal of Marine Science |
container_volume |
64 |
container_issue |
8 |
container_start_page |
1587 |
op_container_end_page |
1591 |
_version_ |
1766389324616564736 |