Where are salmon most endangered?

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Episode Number: 123

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Location Taken: US

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Hello and welcome to CoreFacts, where we're always short on time and big on science. I'm Dane Klima. Today's question is about salmon.

Sockeye salmon from the Snake River system probably are the most endangered salmon. But Coho salmon in the lower Columbia River may already be extinct. Salmon are not endangered world-wide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are much healthier than others. These healthy populations usually occupy protected habitats such as the Hanford Reach on the Columbia River and streams of Olympic National Park.    

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