The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae
Increased use of fishing gear in the marine environment can be detrimental to animals such as cetaceans, particularly through entanglement. Examination of the impact of such mortality on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae, indicates that when entanglem...
Published in: | Canadian Journal of Zoology |
---|---|
Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Canadian Science Publishing
1995
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1139/z95-201 http://www.nrcresearchpress.com/doi/pdf/10.1139/z95-201 |
id |
crcansciencepubl:10.1139/z95-201 |
---|---|
record_format |
openpolar |
spelling |
crcansciencepubl:10.1139/z95-201 2024-04-07T07:53:04+00:00 The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae Volgenau, Lisa Kraus, Scott D. Lien, Jon 1995 http://dx.doi.org/10.1139/z95-201 http://www.nrcresearchpress.com/doi/pdf/10.1139/z95-201 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 73, issue 9, page 1689-1698 ISSN 0008-4301 1480-3283 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 1995 crcansciencepubl https://doi.org/10.1139/z95-201 2024-03-08T00:37:43Z Increased use of fishing gear in the marine environment can be detrimental to animals such as cetaceans, particularly through entanglement. Examination of the impact of such mortality on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae, indicates that when entanglement losses are added to natural mortality estimates and subtracted from birth rate estimates, annual mortality may be as high as 5.4% in the Newfoundland and Labrador population and 4.8% in the Gulf of Maine population. More effective entanglement reporting and assisting systems are needed in the Gulf of Maine and increased efforts are needed to decrease entanglements, entanglement mortalities, and damages to fishing gear. We conclude that monitoring of the size of humpback populations needs to continue, given their particular vulnerability to coastal fishing and the potential impacts of entanglement mortality. Article in Journal/Newspaper Humpback Whale Megaptera novaeangliae Newfoundland North Atlantic Canadian Science Publishing Newfoundland Canadian Journal of Zoology 73 9 1689 1698 |
institution |
Open Polar |
collection |
Canadian Science Publishing |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Volgenau, Lisa Kraus, Scott D. Lien, Jon The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Increased use of fishing gear in the marine environment can be detrimental to animals such as cetaceans, particularly through entanglement. Examination of the impact of such mortality on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae, indicates that when entanglement losses are added to natural mortality estimates and subtracted from birth rate estimates, annual mortality may be as high as 5.4% in the Newfoundland and Labrador population and 4.8% in the Gulf of Maine population. More effective entanglement reporting and assisting systems are needed in the Gulf of Maine and increased efforts are needed to decrease entanglements, entanglement mortalities, and damages to fishing gear. We conclude that monitoring of the size of humpback populations needs to continue, given their particular vulnerability to coastal fishing and the potential impacts of entanglement mortality. |
format |
Article in Journal/Newspaper |
author |
Volgenau, Lisa Kraus, Scott D. Lien, Jon |
author_facet |
Volgenau, Lisa Kraus, Scott D. Lien, Jon |
author_sort |
Volgenau, Lisa |
title |
The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
title_short |
The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
title_full |
The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
title_fullStr |
The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
title_full_unstemmed |
The impact of entanglements on two substocks of the western North Atlantic humpback whale, Megaptera novaeangliae |
title_sort |
impact of entanglements on two substocks of the western north atlantic humpback whale, megaptera novaeangliae |
publisher |
Canadian Science Publishing |
publishDate |
1995 |
url |
http://dx.doi.org/10.1139/z95-201 http://www.nrcresearchpress.com/doi/pdf/10.1139/z95-201 |
geographic |
Newfoundland |
geographic_facet |
Newfoundland |
genre |
Humpback Whale Megaptera novaeangliae Newfoundland North Atlantic |
genre_facet |
Humpback Whale Megaptera novaeangliae Newfoundland North Atlantic |
op_source |
Canadian Journal of Zoology volume 73, issue 9, page 1689-1698 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/z95-201 |
container_title |
Canadian Journal of Zoology |
container_volume |
73 |
container_issue |
9 |
container_start_page |
1689 |
op_container_end_page |
1698 |
_version_ |
1795668672091521024 |