WebFeb 4, 2014 · This data set shows Level I, II, and III ecological regions (ecoregions) of North America, and is an update and revision of files developed by Canada, Mexico, … WebNov 12, 2016 · GIS data (shapefiles, metadata and symbology). Ecoregions of North America (contains level I, II, and III): Level I Ecoregions of North America Shapefile (28 mb) Level I Ecoregions of …

Level III Ecoregions of Alabama - US EPA

WebLevel IV ecoregions are further subdivisions of Level III ecoregions. Methods used to define the ecoregions are explained in Omernik (1995, 2004), Omernik and others (2000), and Gallant and others (1989). Literature cited: Commission for Environmental Cooperation Working Group, 1997, Ecological regions of North America- toward a common ... WebTitle: Level III Ecoregions of Alabama Originators: US Environmental Protection Agency Publisher: U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL) Publication place: Corvallis, OR Publication date: 2012 Data type: vector digital data broadgate park nottingham reviews

Level IV Ecoregions of EPA Region 4

Web1987. Harvard Map Collection, Harvard Library and IEP, Inc. This layer is a georeferenced raster image of the historic paper map entitled: Aquifer protection study, town of Sharon : acquifer favorability/tra... WebSubject biodiversity Remove constraint Subject: biodiversity Format Shapefile ... (Redlands, Calif.). World Wildlife Fund Marine Ecoregions represents global marine ecoregions. Ecoregions are defined as relatively large areas of land or water in the... ESRI Data & Maps 2004 : World Wildlife Fund Terrestrial Ecoregions. Maps (PDF format): 1. Level I Ecoregions of North America: Full size map (PDF, 6 mb) 2. Level II Ecoregions of North America: Full size map (PDF, 10 mb) 3. Level III Ecoregions of North America: Full size map (PDF, 9 mb) GIS data (shapefiles, metadata and symbology). Ecoregions of North America … See more North America has been divided into 15 broad, level I ecological regions. These highlight major ecological areas and provide the broad … 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 … See more car and motorcycle racing