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Does a lack of observed beaked whale strandings in military exercise areas mean no impacts have occurred? A comparison of stranding and detection probabilities in the Canary and main Hawaiian Islands

2010; Wiley; Linguagem: Inglês

10.1111/j.1748-7692.2010.00370.x

1748-7692

Meghan M. Faerber, Robin W. Baird,

Underwater Acoustics Research

Marine Mammal ScienceVolume 26, Issue 3 p. 602-613 Does a lack of observed beaked whale strandings in military exercise areas mean no impacts have occurred? A comparison of stranding and detection probabilities in the Canary and main Hawaiian Islands Meghan M. Faerber, Meghan M. Faerber School of Biological Sciences,University of Wales,Deiniol Road, Bangor, Gwynedd LL57 2UW, United KingdomE-mail: [email protected]Search for more papers by this authorRobin W. Baird, Robin W. Baird Cascadia Research Collective,218 ½ W. 4th Avenue,Olympia, Washington 98501, U.S.A.Search for more papers by this author Meghan M. Faerber, Meghan M. Faerber School of Biological Sciences,University of Wales,Deiniol Road, Bangor, Gwynedd LL57 2UW, United KingdomE-mail: [email protected]Search for more papers by this authorRobin W. Baird, Robin W. Baird Cascadia Research Collective,218 ½ W. 4th Avenue,Olympia, Washington 98501, U.S.A.Search for more papers by this author First published: 08 July 2010 https://doi.org/10.1111/j.1748-7692.2010.00370.xCitations: 10Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Abstract Anthropogenic activities must be monitored to determine effects on marine mammal species, but the difficulty lies in how to measure impact. Mass strandings of beaked whales have occurred in association with naval exercises, with two species most affected, Cuvier's (Ziphius cavirostris) and Blainville's (Mesoplodon densirostris) beaked whales. Six such events have occurred in the Canary Islands but there have been no reported mass strandings in Hawai'i. We assess the hypothesis that factors that influence the likelihood of strandings occurring and/or being detected differ between the Canary and main Hawaiian Islands, such that beaked whale stranding/detection probabilities will be lower in Hawai'i. On an archipelago-wide basis, nearshore bathymetric comparisons indicate that the Canaries have a greater proportion and a total greater amount of appropriate beaked whale habitat closer to shore, with a steeper slope. Hawaiian shorelines are more dominated by steep cliffs, human population density is much lower, and human population per kilometer of shoreline is 53% lower than in the Canaries. 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