Ecoregions north america shapefile
WebLevel 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 the continent, putting it in context at global or intercontinental scales. WebTo make sure you are using the most current ecoregion data, download shapefiles of ecoregions. Alaska. GIS Data (shapefiles, metadata and symbology) Alaska Level III Shapefile (3 mb) ... Ecological regions of North America – toward a common perspective: Montreal, Commission for Environmental Cooperation, 71 p.
Ecoregions north america shapefile
Did you know?
WebThe North American Environmental Atlas combines and harmonizes geospatial data from Canada, Mexico and the United States to allow for a continental and regional perspective on environmental issues that cross boundaries. The Atlas continues to grow in breadth and depth as more thematic maps are created through our work and our partnerships. 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...
WebNov 12, 2016 · North America has been divided into: 15 broad, level I ecological regions; 50 level II ecological regions intended to provide a more detailed description of the large … 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
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 WebLevel III has attributes for the US and North America (NA_) while Levels II and I apply to only North America. All features are identified by State and EPA Administrative Regions, as well. Fields ending with "KEY" combine ecoregion code and name attributes for convenient legends and are linked to style and layer files containing color definitions.
WebLevel I is the coarsest level, dividing North America into 15 ecological regions. Level II divides the continent into 52 regions (Commission for Environmental Cooperation Working Group, 1997). At Level III, the continental United States contains 104 regions whereas the conterminous United States has 84 (U.S. Environmental Protection Agency, 2005).
WebEcoregions are regions of general similarity the the type, quality, and quantity of environmental resources. Product and downloadable maps and datasets for Degree III and IV ecoregions of the continental United Nations. Ecoregions are zones of general similarity in the type, quality, and quantity of environmental related. roseanne barr\u0027s husband\u0027sWeb2002. DMTI Spatial Inc. and Environmental Systems Research Institute (Redlands, Calif.). Canada National Parks represents the national parks and national park reserves within Canada. roseanne blanket on couchWebSep 11, 2024 · USERS PLEASE NOTE - shapefile does NOT accurately represent outer MEOW boundaries: As specified in the original publications, the boundaries in this shapefile have been extended out some 200 nautical miles from land (and this buffer is extended to include any additional marine areas less than 200metres in depth which lie beyond this … roseanne barr youtube videoWebLevel 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 ... storage sheds bucyrus ohioWebJul 26, 2024 · To make sure you are using the most current ecoregion data, download shapefiles of ecoregions. Illinois GIS Data (shapefiles, … storage sheds bucks countyWebFeb 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, … roseanne bevWebThese files of Level I ecological regions of North America are a 2010 update and revision of files developed by Canada, the United States, and Mexico in 2006, which were an update of earlier files from the late 1990's in a cooperative project for the Commission for Environmental Cooperation (CEC 1997). storage sheds builder in houston and austin