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Stockton Plateau

Ecoregion in Chihuahuan Desert, TX

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The Stockton Plateau ecoregion is similar geologically to the Edwards Plateau (30), but it differs ecologically. Geologically, it is a continuation of the Cretaceous-age limestone that forms the Edwards Plateau, but it is located west of the Pecos River in the dry climatic conditions of West Texas. The character of Ecoregion 24e is transitional to the arid grassland and desert shrub habitats of the Chihuahuan Desert to the west. Its mesa topography is more sharply defined than the rounded profiles of hills in the Edwards Plateau due to a lack of precipitation and associated chemical weathering. The mesa tops are sparsely covered by honey mesquite brush and either redberry or Ashe juniper. Mohr oak and Vasey oak, both shrubby in growth form, replace the plateau live oak that is common on the Edwards Plateau. The lower elevations on the Stockton Plateau are covered with Chihuahuan Desert shrubs and grama grasses.

— EPA

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