Aquatic ecoregions of the conterminous United States
By: J.M. Omernick
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Abstract
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This is a copy of the ecoregion coverage of Omernik (1987) with some item names modified. This is NOT the most recent version of the ecoregion definitions, which can be obtained from: Environmental Protection Agency, Western Ecology Division, Corvallis, OR at http://www.epa.gov/wed/pages/ecoregions/level_iii.htm.
Suggested Citation
Omernick, J., 1987, Aquatic ecoregions of the conterminous United States, Dataset, https://doi.org/10.3133/70046266.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | Aquatic ecoregions of the conterminous United States |
| DOI | 10.3133/70046266 |
| Year Published | 1987 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | Dataset |
| Country | United States |
| Additional Online Files (Y/N) | N |