Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery
The objective of the research was to quantify discards of American plaice Hippoglossoides platessoides, witch flounder Glyptocephalus cynoglossus, yellowtail flounder Pleuronectes ferrugineus, winter flounder Pleuronectes americanus, goosefish Lophius americanus, silver hake Merluccius bilinearis, a...
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1992
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ftuninhampshire:oai:scholars.unh.edu:jel-1379 2023-05-15T15:27:01+02:00 Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery Howell, W. Huntting Langan, Richard 1992-01-01T08:00:00Z https://scholars.unh.edu/jel/234 https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 unknown University of New Hampshire Scholars' Repository https://scholars.unh.edu/jel/234 https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 Jackson Estuarine Laboratory text 1992 ftuninhampshire https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 2023-01-30T21:55:40Z The objective of the research was to quantify discards of American plaice Hippoglossoides platessoides, witch flounder Glyptocephalus cynoglossus, yellowtail flounder Pleuronectes ferrugineus, winter flounder Pleuronectes americanus, goosefish Lophius americanus, silver hake Merluccius bilinearis, and Atlantic cod Gadus morhua in the Gulf of Maine shrimp fishery. Data were obtained from 50 tows made by commercial trawlers fishing in the southwestern Gulf of Maine, Mean discard percentages (100 × fish discarded/fish caught) per tow, on a weight basis, were 93% for silver hake, 81% for American plaice, 76% for witch flounder, 56% for Atlantic cod, 41 % for goosefish, 20% for yellowtail flounder, and 11% for winter flounder. Mean discard percentages per tow on a numerical basis were slightly higher. Neither catch condition nor tow duration affected discard percentage, but discard percentage decreased with increasing depth for American plaice. Text atlantic cod Gadus morhua University of New Hampshire: Scholars Repository Hake ENVELOPE(15.612,15.612,66.797,66.797) |
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University of New Hampshire: Scholars Repository |
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ftuninhampshire |
language |
unknown |
description |
The objective of the research was to quantify discards of American plaice Hippoglossoides platessoides, witch flounder Glyptocephalus cynoglossus, yellowtail flounder Pleuronectes ferrugineus, winter flounder Pleuronectes americanus, goosefish Lophius americanus, silver hake Merluccius bilinearis, and Atlantic cod Gadus morhua in the Gulf of Maine shrimp fishery. Data were obtained from 50 tows made by commercial trawlers fishing in the southwestern Gulf of Maine, Mean discard percentages (100 × fish discarded/fish caught) per tow, on a weight basis, were 93% for silver hake, 81% for American plaice, 76% for witch flounder, 56% for Atlantic cod, 41 % for goosefish, 20% for yellowtail flounder, and 11% for winter flounder. Mean discard percentages per tow on a numerical basis were slightly higher. Neither catch condition nor tow duration affected discard percentage, but discard percentage decreased with increasing depth for American plaice. |
format |
Text |
author |
Howell, W. Huntting Langan, Richard |
spellingShingle |
Howell, W. Huntting Langan, Richard Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
author_facet |
Howell, W. Huntting Langan, Richard |
author_sort |
Howell, W. Huntting |
title |
Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
title_short |
Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
title_full |
Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
title_fullStr |
Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
title_full_unstemmed |
Discarding of commercial groundfish species in the Gulf of Maine shrimp fishery |
title_sort |
discarding of commercial groundfish species in the gulf of maine shrimp fishery |
publisher |
University of New Hampshire Scholars' Repository |
publishDate |
1992 |
url |
https://scholars.unh.edu/jel/234 https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 |
long_lat |
ENVELOPE(15.612,15.612,66.797,66.797) |
geographic |
Hake |
geographic_facet |
Hake |
genre |
atlantic cod Gadus morhua |
genre_facet |
atlantic cod Gadus morhua |
op_source |
Jackson Estuarine Laboratory |
op_relation |
https://scholars.unh.edu/jel/234 https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 |
op_doi |
https://doi.org/10.1577/1548-8675(1992)012<0568:DOCGSI>2.3.CO;2 |
_version_ |
1766357477472862208 |