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The ecology of the Great Plains is diverse, largely owing to their great size. Differences in rainfall, elevation, and latitude create a variety of habitats including short grass, mixed grass, and tall-grass prairies, and riparian ecosystems. [1] The Great Plains extend from Mexico in the south through the central United States to central ...
The predominant vegetation of the Central Great Plains ecoregion is a rich mixture of prairie Central and Southern mixed grasslands of medium height. The ecoregion is encompassed by the tallgrass and shortgrass prairies — this region has a mix of both tallgrass and shortgrass. Wildflowers occur among the grasses, but very few trees and shrubs do.
"Great Plains", or Western Plains, is also the ecoregion of the Great Plains or the western portion of the Great Plains. The Great Plains lie across both the Central United States and Western Canada, encompassing: Most or all of the U.S. states of Kansas, Nebraska, and North and South Dakota;
In the United States, the EPA and the United States Geological Survey (USGS) are the principal federal agencies working with the CEC to define and map ecoregions. Ecoregions may be identified by similarities in geology, physiography, vegetation, climate, soils, land use, wildlife distributions, and hydrology.
Biogeographical map of the Great Plains. Showing the different Temperate grasslands ecoregions of the Great Plains in territory claimed by the United States . Short-grass prairie —( High Plains )
Illinois is almost entirely within the Eastern Temperate Forest environment Level I region, although very small sections in its extreme west are in the Great Plains, Level I region. Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone).
This list of ecoregions of North America provides an overview of North American ecoregions designated by the ... Great Bear Plains 3.3.2: Hay and Slave River Lowlands ...
Ecologically, the EPA includes the Cross Timbers as part of the vast Great Plains, which comprise Level I Ecoregion 9.0, stretching from central Alberta in Canada to northern Mexico. [6] More specifically, the Cross Timbers fall into Level II Ecoregion 9.4, the smaller South Central Semi-Arid Plains. [7]