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The document outlines the ecological risks posed by proposed offshore oil and gas development in Alaska's Bristol Bay, focusing on the threat to the critically endangered eastern North Pacific right whale. It details how noise pollution, vessel strikes, oil spills, and invasive species could jeopardize the recovery of several endangered whale species in the region.

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  • The eastern North Pacific right whale is one of the most endangered marine mammal populations in U.S. waters, with a population size estimated at only a few tens of animals. Approximately 20 percent of its critical habitat in the eastern Bering Sea is located within the proposed leasing area, with the remainder nearby.
  • Offshore oil and gas activities present multiple lethal and sub-lethal threats to whales, including noise pollution from seismic surveys that can cause stress-induced abortion in pregnant cows or separate calves from mothers, and vessel collisions which are lethal in over half of documented cases.
  • The North Pacific right whale is uniquely vulnerable to oil spills because its feeding method involves skimming zooplankton at or just below the sea surface, increasing the risk of oiling its baleen and ingesting oil.
  • The introduction of non-native species via rigs and vessels from the Gulf of Mexico, the West Coast, or foreign waters could alter predator-prey dynamics in Alaskan marine communities, potentially affecting right whale prey species.
  • A moratorium on offshore oil and gas leasing in Bristol Bay was established by the U.S. Congress in 1989 after the Exxon Valdez spill, but was lifted by Congress in 2003 and by President George W. Bush in January 2007.

Cite the original document

APA
WWF International (n.d.). OFFSHORE DEVELOPMENT IN ALASKA’S BRISTOL BAY. https://www.worldwildlife.org/documents/853/wo63aj2nh_Offshore_Development_in_Alaska_s_Bristol_Bay_brochure.pdf
Chicago
WWF International. OFFSHORE DEVELOPMENT IN ALASKA’S BRISTOL BAY. n.d. https://www.worldwildlife.org/documents/853/wo63aj2nh_Offshore_Development_in_Alaska_s_Bristol_Bay_brochure.pdf.
Wikipedia
{{cite report |author=WWF International |title=OFFSHORE DEVELOPMENT IN ALASKA’S BRISTOL BAY |url=https://www.worldwildlife.org/documents/853/wo63aj2nh_Offshore_Development_in_Alaska_s_Bristol_Bay_brochure.pdf |access-date=23 October 2026 |via=Climate Insights Directory}}
BibTeX
@techreport{wwfinternationalndoffshore, author = {{WWF International}}, title = {{OFFSHORE DEVELOPMENT IN ALASKA’S BRISTOL BAY}}, institution = {WWF International}, url = {https://www.worldwildlife.org/documents/853/wo63aj2nh_Offshore_Development_in_Alaska_s_Bristol_Bay_brochure.pdf}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }

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