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Assessing the risk of vessel strike mortality in North Atlantic right whales along the U.S East Coast
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2022
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Description:The endangered North Atlantic right whale (NARW, Eubalaena glacialis) is declining due to a combination of reduced calving rates and anthropogenic mortality from entanglement in fishing gear and vessel strikes. The National Marine Fisheries Service implemented efforts to reduce vessel strike mortality in 2008 by establishing seasonal management areas (SMAs) where large (> 65 feet length) vessels were restricted to traveling at 10 knots or less, establishing recommended and mandatory large vessel routes, and implementing voluntary dynamic management areas. However, vessel strikes continue to be a significant source of mortality for NARW, particularly outside of the established SMAs and with smaller vessels. In this study, we developed an encounter risk model for the U.S. east coast to 1) evaluate the overall risk of vessel strike mortality, 2) identify areas of greatest risk, and 3) quantify the potential for expanded vessel speed restrictions to reduce NARW vessel strike mortality.
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Rights Information:Public Domain
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Compliance:Submitted
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