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Southern Texas Plains

Ecoregion in Tamaulipas, TX, Nuevo León, Coahuila

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This rolling to moderately dissected plain was once covered with grassland and savanna vegetation that varied during wet and dry cycles. Following long continued grazing and fire suppression, thorny brush, such as mesquite, is now the predominant vegetation type. Also known as the Tamualipan Thornscrub, or the “brush country”, as it is called locally, the subhumid to dry region has its greatest extent in Mexico. It is generally lower in elevation with warmer winters than the Chihuahuan Deserts (24) to the northwest, and it contains a high and distinct diversity of plant and animal life. Oil and natural gas production activities are widespread.

— EPA

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