Why are Alaska's salmon shrinking?
A female sockeye salmon that spent three years in the ocean (top) compared to a female that spent just two years in the ocean in Pick Creek, Alaska. One year in the ocean makes a big difference - which is why salmon returning younger has caused such a dramatic decline in body size.
Alaskans who have fished for salmon consistently over the years know it: Alaska's salmon, especially king salmon, are getting smaller. Now, a new study, published August 19 in the journal Nature Communications by lead author Krista Oke, a postdoct...
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