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Why Wood is Good for Streams

When you imagine a healthy stream – whether it’s one that runs through an urban neighborhood or weaves through a natural area – does that […]

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An adult emerald ash borer feeds on an ash tree leaf.

The Emerald Ash Borer Has Arrived in Oregon

For twenty years, a pretty little insect has been traveling across the nation and it has finally arrived in Oregon, as specialists knew it eventually […]

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Screenshot of Watershed Navigator homepage

Meet Your Watershed Navigator

The Watershed Navigator is a resource for people who live, work, and play in Oregon’s Tualatin River watershed. It includes tools for your home, yard and community and information about where to access parks, trails and the river.

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Masters of Disguise: Mimicry in Nature

They say imitation is a form of flattery but, for some, it’s a means of survival. All throughout the animal and plant world, we find […]

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Ecosystem Services: The Benefits Nature Provides Us

Over time, humans have altered the ecosystems we live in to establish communities and livelihoods. These changes, however, have come at the cost of diminishing […]

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Western Redcedar Trees Need Your Help.

Western redcedar trees are some of the oldest living organisms in the Pacific Northwest. They can live to nearly a thousand years old, and their […]

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