PMEL Publications Abstract

FY 2006

Listening for large whales in the offshore waters of Alaska

Moore, S.E., K.M. Stafford, D.K. Mellinger, and J.A. Hildebrand

BioScience, 56(1), 49–55 (2006)

In 1999, the first phase of a multiyear program was initiated at the National Oceanic and Atmospheric Administration’s National Marine Mammal Laboratory and Pacific Marine Environmental Laboratory to advance the use of passive acoustics for the detection and assessment of large whales in offshore Alaskan waters. To date, autonomous recorders have been successfully deployed in the Gulf of Alaska (1999–2001), the southeastern Bering Sea (2000–present), and the western Beaufort Sea (2003–2004). Seasonal occurrences of six endangered species (blue, fin, humpback, North Pacific right, bowhead, and sperm whales) have been documented on the basis of call receptions in these remote ocean regions. In addition, eastern North Pacific gray whale calls were detected in the western Beaufort Sea from October 2003 through May 2004. Here we provide an overview of this suite of research projects and suggest the next steps for applying acoustic data from long-term recorders to the assessment of large whale populations.

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