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Milk thistle flower.

Milk Thistle: A Prickly Problem in the Tualatin Watershed

Milk thistle negatively impacts crop fields and pastures. It crowds out crops and decrease farmer’s harvests, and is also toxic to livestock.

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Farm Transition Planning – Why is it So Important?

Managing risk is a must in agriculture. Farmers, ranchers, and forest owners know this well – they take care to plant at the perfect time, […]

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Knotweed leaves and flowers.

2020 Knotweed Season Recap

Defending the Tualatin River Watershed against woody knotweed is no easy task. In 2020, nearly 2 acres were treated within the watershed.

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Hawk with wings spread.

Nature vs. Nature: Biological Controls in Conservation

Those of us who grew up watching Animal Planet are familiar with scenes of ferocious hunting and escape – a jarring portrayal of nature’s intense […]

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Image comparing Douglas spirea with pink flowers and purple loosestrife with purple flowers.

Plant This, Not That: Native Alternatives to Pesky Ornamentals

Attractive native plant alternatives don’t harm ecosystems and increase habitat for native birds, wildlife, and pollinators.

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Understory Diversity

Laminated Root Rot: The Inconspicuous Tree Disease

Fungi play a major role in forest ecology. Similar to bacteria and certain critters (like worms, snails, beetles, and termites), fungi facilitate nutrient cycling through […]

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