http://www.cec.org/north-american-environmental-atlas/north-american-forests-2024/ Web26 de jul. de 2024 · Additionally, the ecoregions for Alaska and the conterminous United States, along with ecological regions for Canada (Wiken 1986) and Mexico, have been combined for maps at three hierarchical levels for North America (Omernik 1995, Commission for Environmental Cooperation, 1997, 2006).
North American Terrestrial Ecoregions Data Basin
WebTerrestrial Ecoregions of North America begins with six chapters that present the rationale for the ecoregion approach, describe the biological distinctiveness of North … 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 rick scott construction oklahoma
Terrestrial Ecoregions of the World: A New Map of Life on Earth ...
Web1 de nov. de 2001 · Basemap from the World Wildlife Fund, Terrestrial Ecosystems of the World, version 2.0 (Olson et al. 2001) from this review as its unique Hg cycle makes it difficult to compare with lower latitude ... WebTerrestrial Ecoregions of North America begins with six chapters that present the rationale for the ecoregion approach, describe the biological distinctiveness of North … 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 for … Ver mais 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 ecological regions are useful for national and … Ver mais 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 … Ver mais 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 … Ver mais rick scott 11-point plan pdf