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Marine Mammals Scarf Up More Chinook Salmon

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Oregon Fish & Wildlife

Many people and organizations are working hard to bring back Pacific salmon.  Fishing and habitat loss depressed salmon populations; some are on the endangered species list. 

But some of the impacts do not come from people.  Marine mammals are voracious eaters of salmon, and the mammals have been protected by law for nearly 50 years. 

Recent research shows that while human harvest of chinook salmon dropped, killer whales and harbor seals ate more of the fish.  Isaac Kaplan is lead author of the study, he and co-author Eric Ward join us to explore their findings. 

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Geoffrey Riley is a graduate of the University of Missouri School of Journalism and marked his tenth anniversary as the full-time host of the Jefferson Exchange at the end of 2019. He's been a broadcaster in the Rogue Valley for 35 years, working in both television and radio.
April Ehrlich is a reporter at Jefferson Public Radio, focusing on in-depth investigative journalism and data reporting. She advocates for journalists across Oregon as the vice president of the Oregon territory chapter of the Society of Professional Journalists.
John Baxter's history at JPR reaches back three decades.  John was the JPR program director who was the architect of "the split" when JPR grew from a single program stream to three separate streams. We coaxed him out of retirement and he's now a co-producer of the Jefferson Exchange.