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Cascade Subalpine/Alpine

Ecoregion in Cascade Range in CA, OR, WA

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The Cascades Subalpine/Alpine ecoregion is an area of high, glaciated, volcanic peaks that rise above subalpine meadows. Elevations range from 5,600 to 12,000 feet. Active glaciation occurs on the highest volcanoes and decreases from north to south. The winters are very cold and the growing season is extremely short. Flora and fauna adapted to high elevations include herbaceous and shrubby subalpine meadow vegetation and scattered patches of mountain hemlock, subalpine fir, and whitebark pine.

— EPA

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