Stream restoration projects designed to help salmon have unexpected benefits for land animals.
—particularly young salmon, which need cold, sheltered water to survive their youth. So beginning in the 1980s, land managers began placing wood back into rivers, hoping to restore some of that lost habitat.
“In ecology, we use the idea of corridors,” says Arismendi. “You have certain structures that allow animals to be connected.” Forest animals may stick to brushy streambanks to move through the plains, while natural areas might serve as corridors through farmland. And as habitat has become fragmented by roads, suburbs, and agriculture, conservationists have increasingly looked for ways to link up ecosystems.
Between June 2020 and June 2021, the ecologists, led by Ezmie Trevarrow, an OSU undergraduate who is now at the University of Georgia, captured video of more than 2,000 animals. Of the roughly 40 species that the researchers documented, most were relatively common, if not always easy to spot. The list included raccoons, mule deer, kingfishers, and possums.But the logs also attracted rarer species, including a golden eagle, a giant bird of prey that normally lives in dry eastern Oregon.
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