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Monday, November 20, 2017

Recovery of West Coast marine mammals boosts consumption of chinook salmon

http://ift.tt/eA8V8J The researchers estimate that from 1975 to 2015, the yearly biomass of chinook salmon consumed by pinnipeds (sea lions and harbor seals) and killer whales increased from 6,100 to 15,200 metric tons, and from five to 31.5 million individual salmon.

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