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WEATHER
Northern Prairie Outliers
Ecoregion
in
TX
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The small, disjunct areas of the Northern Prairie Outliers ecoregion have a blend of characteristics from Ecoregions 32 and 33. The northern two outliers, north of the Sulphur River, occur on Cretaceous sediments, while south of the river, Paleocene and Eocene formations predominate. A mosaic of forest and prairie occurred historically in this and adjacent regions. Burning was important in maintaining grassy openings, and woody invasions have taken place in the absence of fire. The tallgrass prairies included little bluestem, big bluestem, yellow Indiangrass, and tall dropseed. Current land cover is mostly pasture, with some cropland.
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Ecoregion
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