Incidence of ship strikes of large whales in Washington State
نویسندگان
چکیده
annie b. douglas, john calambokidis, stephen raverty, steven j. jeffries, dyanna m. lambourn and stephanie a. norman Cascadia Research Collective, 218 1/2 W Fourth Avenue, Olympia, WA, 98501, USA, Animal Health Center, British Columbia Ministry of Agriculture and Food, 1767 Angus Campbell Road, Abbotsford, BC V3G 2M3 Canada, Washington Department of Fish and Wildlife, 7801 Phillips Road SW, Lakewood, WA, 98498, USA, Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle, WA 98195 USA
منابع مشابه
North Atlantic right whales (Eubalaena glacialis) ignore ships but respond to alerting stimuli.
North Atlantic right whales were extensively hunted during the whaling era and have not recovered. One of the primary factors inhibiting their recovery is anthropogenic mortality caused by ship strikes. To assess risk factors involved in ship strikes, we used a multi-sensor acoustic recording tag to measure the responses of whales to passing ships and experimentally tested their responses to co...
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Northern right whales in the western North Atlantic number about 300 animals and have shown little sign of recovery in recent decades. Mortality and serious injury due to human activities, particularly commercial fishing and shipping, are thought to be significant factors limiting their recovery. From 1970-1999, 45 right whale deaths were reliably documented. Sixteen of these fatalities (35.5%)...
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Collisions with vessels are a serious threat to a number of endangered large whale species, the North Atlantic right whale (Eubalaena glacialis) in particular. In late 2008, the U.S. National Oceanic and Atmospheric Administration issued mandatory time-area vessel speed restrictions along the U.S. eastern seaboard in an effort to mediate collision-related mortality of right whales. All vessels ...
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Death or injury to whales from vessel strike is one of the primary threats to whale populations worldwide. However, quantifying the rate of occurrence of these collisions is difficult because many incidents are not detected (particularly from large vessels) and therefore go unreported. Furthermore, varying reporting biases occur related to species identification, spatial coverage of reports and...
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تاریخ انتشار 2008