Scientists perplexed by this year’s low chum salmon numbers in Yukon River

The latest estimates aren’t just bad, they’re “absolutely dismal,” says Stephanie Quinn-Davidson, director of the Yukon River Inter-Tribal Fish Commission in Alaska. Every year scientists count fish as they swim upstream by Eagle, Alaska, on the way back from the ocean. Scientists manually review the data from the Eagle sonar. While it can be tricky, they can separate chum from other fish by size, speed, and direction of travel. This year the station’s fall chum estimate is 23,828 fish. >click to read< 08:47

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