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'Bycatch' whaling a growing threat to coastal whales
Date:6/23/2009

NEWPORT, Ore. Scientists are warning that a new form of unregulated whaling has emerged along the coastlines of Japan and South Korea, where the commercial sale of whales killed as fisheries "bycatch" is threatening coastal stocks of minke whales and other protected species.

Scott Baker, associate director of the Marine Mammal Institute at Oregon State University, says DNA analysis of whale-meat products sold in Japanese markets suggests that the number of whales actually killed through this "bycatch whaling" may be equal to that killed through Japan's scientific whaling program about 150 annually from each source.

Baker, a cetacean expert, and Vimoksalehi Lukoscheck of the University of California-Irvine presented their findings at the recent scientific meeting of the International Whaling Commission (IWC) in Portugal. Their study found that nearly 46 percent of the minke whale products they examined in Japanese markets originated from a coastal population, which has distinct genetic characteristics, and is protected by international agreements. It will be published in a forthcoming issue of the journal Animal Conservation.

Their conclusion: As many as 150 whales came from the coastal population through commercial bycatch whaling, and another 150 were taken from an open ocean population through Japan's scientific whaling. In some past years, Japan only reported about 19 minke whales killed through bycatch, though that number has increased recently as new regulations governing commercial bycatch have been adopted, Baker said.

Japan is now seeking IWC agreement to initiate a small coastal whaling program, a proposal which Baker says should be scrutinized carefully because of the uncertainty of the actual catch and the need to determine appropriate population counts to sustain the distinct stocks.

Whales are occasionally killed in entanglements with fishing nets and the deaths of large whales are reported
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Contact: Scott Baker
scott.baker@oregonstate.edu
541-867-0255
Oregon State University
Source:Eurekalert

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