After being introduced to Russia's White Sea in the 1950s, non-native Pacific salmon have since spread along Norway's coastline and into its rivers. In an effort to control their numbers, an ...
SELKIRK, UNITED KINGDOM - OCTOBER 31: Salmon attempt to leap up the fish ladder in the river Etterick on October 31, 2012 in Selkirk, Scotland. The salmon are returning upstream from the sea where ...
SAN FRANCISCO — Baby salmon are dying by the thousands in one California river, and an entire run of endangered salmon could be wiped out in another. Fishermen who make their living off adult salmon, ...
COOS COUNTY, Ore. — For more than 100 years, farmers and ranchers on the Oregon coast have installed tidegates to turn estuaries into farmland, inadvertently cutting off young salmon and other fish ...
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