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Earth Week: Bark beetles change Rocky Mountain stream flows, affect water quality

Gray trees killed by bark beetles between green trees in Rocky Mountain National Park.

Gray trees killed by bark beetles pepper the landscape in Rocky Mountain National Park.

Credit: Lindsay Bearup


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green, red and gray trees

Trees go from green and healthy, to red and dying, and finally to gray and dead, from bark beetles.

Credit: Lindsay Bearup


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Researcher collecting precipitation samples

Precipitation samples were collected to determine their unique chemical fingerprints.

Credit: Lindsay Bearup


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Man walking through snow near a forest with dead and live trees.

Snow processes change as beetles kill lodgepole pines and trees no longer shade snowbanks.

Credit: Abram Landes


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Researcher with water sample taken from the Big Thompson River

Water samples were taken from the Big Thompson River in Rocky Mountain National Park.

Credit: Thomas Cooper


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Lodgepole pines are regrowing among trees killed by beetles

Lodgepole pines are beginning to regrow in areas where trees had once been beetle-killed.

Credit: Abram Landes


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