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Level III and IV Ecoregions of the Continental United States

Level III Ecoregions
Level IV Ecoregions
Ecoregions by State
Ecoregions by EPA Region


Level III Ecoregions

US Level III Ecoregions
Downloads

(NOTE: maps and GIS files may differ. To make sure you are using the most current ecoregion data, download shapefiles of ecoregions)

GIS data (shapefiles, metadata and symbology):

Maps-- available in PDF format:

Ecoregion Descriptions (MSWord documents):


Level IV Ecoregions

US Level IV Ecoregions Downloads

(NOTE: maps and GIS files may differ. To make sure you are using the most current ecoregion data, download shapefiles of ecoregions)

GIS data (shapefiles, metadata and symbology):

Maps-- available in PDF format:


Level III and IV Ecoregions by State

Clickable map of Level III and IV Ecoregions by state: Access to Level III and IV maps, GIS data, and descriptive information can be obtained by clicking on any completed state in the status map below.

Ecoregions by US State

Please note: Web pages for Level IV Ecoregions are under construction. If you do not find a link to a state that
has been completed, maps and GIS data are available on the Ecoregion FTP site and a web site will be
available shortly. Thanks for your patience!


Level III and IV Ecoregions by EPA Regions

Clickable map of Level III and IV Ecoregions by EPA Region: Access to Level IV maps, GIS data, and descriptive information can be obtained by clicking on any EPA Administrative Region in the map below (refer to state level map for status of completed Level IV Ecoregions).

Ecoregions by EPA Administrative Region

Please note: Web pages for Level IV Ecoregions are under construction. If you do not find a link to a state that
has been completed, maps and GIS data are available on the Ecoregion FTP site and a web site will be
available shortly. Thanks for your patience!


small pdf iconPlease note: In order to ensure cross platform compatibilty (MAC v.s PC) and to provide you with downloadable and printable versions of the maps, the maps themselves are available for download in .pdf (portable document format) format. In order to be able to view and/or print the documents, you will need
Adobe Acrobat Reader, a free download that can be found at
http://www.adobe.com/products/acrobat/readstep2.html Leaving EPA Ecoregions website

Get Acrobat reader


Ecoregion Links
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