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Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone). [ 2 ] [ 3 ] In general, Illinois transitions from the forests, to savannah , to tall grass prairie , and is now largely used for agriculture or urbanized, although in its far south are the forested highlands of the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. "Cities in Illinois" redirects here. For unincorporated communities, see List of unincorporated communities in Illinois. For CDPs, see List of census-designated places in Illinois. Map of the United States with Illinois highlighted Illinois is a state located in the Midwestern United ...
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.
Pages in category "Ecoregions of Illinois" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. *
List of towns and villages in Illinois; List of counties in Illinois; List of precincts in Illinois; References This page was last edited on 23 September 2024, at 07: ...
Of the 102 counties of the state of Illinois, 84 are organized into civil townships, usually referred to as simply "townships" in state law. All told, Illinois has 1,428 such townships, and they are the slight majority of the state's general units of local government. [1] The legal name of each township is the form "___ Township" or "Town of ...
This is a non-diffusing subcategory of Category:Unincorporated communities in Illinois. It includes unincorporated communities that can also be found in the parent category, or in diffusing subcategories of the parent.
This region contains a higher concentration of lakes with lower trophic states than in the other level IV ecoregions of the Southeastern Wisconsin Till Plains. The soils are clayey to the east, especially along the Lake Michigan shore, and more sandy to the west, but generally less clayey than the soils in ecoregion 53d to the north.