What’s changed? Post dam removal benthic surveys start at the mouth of the Elwha River

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What’s changed? Post dam removal benthic surveys start at the mouth of the Elwha River
09/12/2012 09:54 AM EDT

By Sean Sheldrake, Steve Rubin, and Alan Humphrey In this second part of our story (see our earlier blog post), we return to the Elwha to talk more about the techniques involved with the survey. This USGS-led survey involves counting over 65 species of invertebrates and 23 species of algae—all of which we had to [...]

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