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Snake–Columbia shrub steppe
Xeric shrubland ecoregion in the northwestern United States From Wikipedia, the free encyclopedia
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The Snake–Columbia shrub steppe is an ecoregion defined by the World Wide Fund for Nature (WWF). This ecoregion receives little precipitation because it is within the rain shadow of the Cascade Range. The ecoregion dominates Washington's western portion of the Columbia Basin. It extends south from the Columbia River along the Deschutes River Basin, expanding to cover most of southeast Oregon, including the Oregon Lakes region. This ecoregion reaches south from Oregon into northern Nevada and the northeast corner of California. It also connects east onto the Snake River Plain, which follows east from Hells Canyon to the continental divide in eastern Idaho.[2]
Information about this ecoregion is covered by three articles that follow the ecoregion definitions of the United States Environmental Protection Agency:
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