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eDNA helps evaluate fish passage

Photos by Bruce MacGregor While DNA testing has most often been used to solve crimes or locate distant cousins, it now helps answer an important stream restoration question. Determining if a specific fish species is found in a small stream is difficult.  The usual techniques are snorkel surveys and electrofishing.  Both techniques rely on visual […]

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What’s That Weed?

Introduced species: Dock (Rumex crispus and R. obtusifolius) Characteristics: These two common dock species are perennial members of the buckwheat family. Curly dock (R. crispus) may grow up to 1 m (3ft), while bitter dock (R. obtusifolius) may reach 1.5 m (5 ft). Leaves of these plants are fairly large (up to 30 cm, or […]

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Welcome Emily D’achiardi

Welcome Watershed Engagement and Salmon Survey Intern! Emily D’achiardi will be serving as our salmon survey intern for the 2020-21 term! She is from Atlanta, Georgia and is currently a freshman at Reed College pursuing an undergraduate degree in environmental studies. She plans to have a concentration in either political science or biology for her […]

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AmeriCorps Day of Service at Mitchell Creek

Unforeseen wildfires cancelled what was originally slated as an orientation event for a new crop of AmeriCorps members recruited by Confluence Environmental Center. In mid-October, after the skies had cleared, members and staff gathered in masks to restore the creek and survey previous restoration efforts. Riparian Project Manager Noah Jenkins facilitated a survey of the […]

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