Related topics: fish · food and drug administration

California sea lions killed to protect migrating fish

Authorities in the western US state of Oregon have euthanized four sea lions in the last month as part of a program to protect salmon runs and steelhead trout that are at risk of going extinct.

Drones show potential to improve salmon nest counts

Struggling salmon populations could get some help from the sky. A Washington State University study showed that drone photography of the Wenatchee River during spawning season can be effective in estimating the number of ...

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