Seabird Decline Could Signal Drop In Ocean Productivity

(USGS Photo)
(USGS Photo)

Seabirds are on the decline in the North Pacific, from the Western Aleutians to Vancouver Island. Scientists with the U.S. Geological Survey compiled and filtered the data of hundreds of thousands of surveys of different species conducted in the last 40 years to document the decline. They say the decline could signal a drop in the overall productivity of the ocean.

Gary Drew is wildlife biologist with the United States Geological Survey who spent more than a decade compiling the data set with a colleague. He says the overall trend was a decrease in seabird biomass of about two percent, but the decline varied from species to species.

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Lori Townsend is the news director and senior host for Alaska Public Media. You can send her news tips and program ideas for Talk of Alaska and Alaska Insight at ltownsend@alaskapublic.org or call 907-550-8452.

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