Ecoregions of North America | US EPA
North America has been divided into 15 broad, level I ecological regions. These highlight major ecological areas and provide the broad backdrop to the ecological mosaic of the continent, putting it in context at global or intercontinental scales. Viewing the ecological hierarchy at this scale provides a context … See more
The 50 level II ecological regions that have been delineated are intended to provide a more detailed description of the large ecological areas nested within the level I regions. Level II … See more
Level III mapping describes smaller ecological areas nested within level II regions. At level III, the continent currently contains 182 ecological regions. These smaller divisions enhance regional environmental monitoring, assessment and reporting, as well … See more
Level III and IV Ecoregions by State | US EPA
Jan 2, 2024 · Information and links to downloadable maps and datasets for Level III and IV ecoregions, listed by state. Ecoregions are areas of general similarity in the type, quality, and quantity of environmental resources.
Tags:Epa EcoregionsLevel III and IV EcoregionsEpa Level Iv Ecoregion DescriptionsEcoregions | US EPA - U.S. Environmental Protection …
Oct 1, 2024 · Information and downloadable maps and datasets for ecoregions, which are areas of general similarity in the type, quality, and quantity of environmental resources.
Tags:Epa EcoregionsUnited States Environmental Protection AgencyList of ecoregions in the United States (EPA) - Wikipedia
This list of ecoregions in the United States provides an overview of United States ecoregions designated by the U.S. Environmental Protection Agency (EPA) and the Commission for Environmental Cooperation (CEC). The CEC was established in 1994 by the member states of Canada, Mexico, and the United States to address regional environmental concerns under the North American Agreement on Environmental Cooperation (NAAEC), the environmental side ac…
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Ecoregions of North America | Ecosystems Research
Nov 12, 2016 · North America has been divided into 15 broad, level I ecological regions. These highlight major ecological areas and provide the broad backdrop to the ecological mosaic of the continent, putting it in context at global or …
Tags:Epa EcoregionsLevel I Ecological RegionsAll EcoregionsUsa EcoregionsEcoregions | Ecosystems Research - US EPA
Mar 27, 2018 · Ecoregions are identified by analyzing the patterns and composition of biotic and abiotic phenomena that affect or reflect differences in ecosystem quality and integrity (Omernik 1987, 1995). These phenomena …
Tags:Epa EcoregionsList of EcoregionsEcoregions United States- People also ask
Ecoregions - National Wildlife Federation
Take a look at the map of the United States. The country can be divided up in two ways—one by state, and one by ecoregion. Whereas state boundaries were created by people, the ecoregion boundaries on this map were created by …
Level III and IV Ecoregions of the Continental United …
Jun 18, 2020 · Information and downloadable maps and datasets for Level III and IV ecoregions of the continental United States. Ecoregions are areas of general similarity in the type, quality, and quantity of environmental resources.
Tags:Epa EcoregionsEcoregions of The United StatesContiguous United StatesLevel I is the coarsest level, dividing North America into 15 broad ecological regions. These highlight major ecological areas and provide the broad backdrop to the ecological mosaic of …
Tags:Level I Ecological RegionsUniversity of DenverNorth AmericaEcoregions are areas where ecosystems (and the type, quality, and quantity of environmental resources) are generally similar. This ecoregion framework is derived from Omernik (1987) …
Tags:Epa EcoregionsEcoregions of The United StatesContiguous United States
