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Aquatic ecoregions of the conterminous United States
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.
Complete Metadata
| @id | http://datainventory.doi.gov/id/dataset/315089aceadc6cde33dde3b182bdfd89 |
|---|---|
| bureauCode |
[ "010:12" ] |
| identifier | USGS:4aa01a8c-969a-4a2e-be0f-e7471e62fe94 |
| spatial | -127.87111726,22.87753347,-65.35687433,48.24430721 |
| theme |
[ "geospatial" ] |
