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 … WebLevel I is the coarsest level, dividing North America into 15 ecological regions. Level II divides the continent into 50 regions (Commission for Environmental Cooperation Working Group, 1997). At Level III, the continental United States contains 105 regions whereas the conterminous United States has 85 (U.S. Environmental Protection Agency, 2005).
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WebNov 14, 2016 · Level III and IV Ecoregions of the Pacific Northwest (7.5 mb) Ecoregions of Western Washington and Oregon - front (2.8 mb) Ecoregions of Western Washington and Oregon – back (35 kb) GIS Data (shapefiles, metadata and symbology) Instructions for applying symbology to ecoregions. Region 10 Level III Shapefile (2.1 mb) WebThis 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, and the United States of America in the late 1990’s in a cooperative project for the Commission for Environmental Cooperation (CEC). rock solid georgetown tx
Ecoregion Download Files by State - Region 7 US EPA
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. WebThese 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). WebEcoregions are identified by analyzing the patterns and composition of biotic and abiotic phenomena that affect or reflect differences in ecosystem quality and integrity. These phenomena include geology, landforms, soils, vegetation, … otr cumberland park