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MAP OF ECOREGIONS OF IOWA AND MISSOURI
Citation:
Description:
The ecoregions of Iowa and Missouri have been identified, mapped, and described and provide a geographic structure for environmental resources research, assessment, monitoring, and management. This project is part of a larger effort by the U.S. EPA to create a national, hierarchical ecoregion framework. This ecoregion framework is methodologically consistent with those developed elsewhere by the U.S. EPA and allows biologists and resource managers to share and compare environmental data across political boundaries. The amount of environmental detail that is delineated at different hierarchical levels varies from level I, the broadest grouping, to level IV, the most detailed.
The Iowa and Missouri project refined and subdivided the level III ecological regions of Iowa and Missouri. It involved researchers from U.S. EPA National Health and Environmental Effects Research Laboratory - Corvallis, U.S. EPA Region VII, U.S. Department of Agriculture - Natural Resources Conservation Service, the Iowa Department of Natural Resources - Environmental Protection Division and the Geological Survey Bureau, the Missouri Department of Natural Resources - Environmental Services Program, the University of Missouri Columbia - Geography Department, and U.S. Department of the Interior - Geological Survey - Earth Resources Observation Systems Data Center. The refined Iowa and Missouri ecoregions will be published as a double-sided, color poster by the U.S. Geological Survey (USGS) and will measure 34 x 44 inches. The poster includes an original 1:1,800,000 scale map that delineates the seven level III and thirty level IV ecoregions of Iowa and Missouri. Each ecoregion is described in the accompanying text and tables. Seven other posters in the ecoregion series have already been published by the USGS and cover eleven states.
Level IV ecoregion frameworks have been developed by the US EPA for Colorado, Delaware, Florida, Indiana, Iowa, Kansas, Massachusetts, Maryland, Montana, Nebraska, North Dakota, Ohio, Pennsylvania, South Dakota, Tennessee, Virginia, Wisconsin, West Virginia and parts of Alabama, Mississippi, Oregon, and Washington; other projects are in progress for Alabama, Georgia, Idaho, Mississippi,, Nevada, North Carolina, South Carolina, Utah, and the remainder of Oregon and Washington.