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The Eastern Temperate Forests is a Level I ecoregion of North America designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. The region covers much of the Eastern and Midwestern United States, the U.S. Interior Highlands, and parts of Ontario, Quebec, and the Maritimes.
The USEPA ecoregion classification system has four levels, but only Levels I, III, and IV are shown on this list. Level I divides North America into 15 broad ecoregions (or biomes). Wisconsin is within the Eastern Temperate Forest, and in the Great Plains, Level I regions.
Upper slope hardwood–conifer mixed forests are an area of transition between the northern hardwood and the mountain conifer forests. They are similar to hardwood–conifer forests, but with no red maple. Red spruce and eastern hemlock, together with sugar maple, yellow birch, and American beech are the dominant species, with scattered white pine.
1990 USDA Hardiness zone map detail for the northeast US. Zone 3a is light orange, zone 4b is light lavender. The area is a temperate broadleaf and mixed forests biome transition zone between the true boreal forest to the north and the Big Woods and Carolinian forest to the south, with characteristics of each.
Temperate broadleaf and mixed forests: Eastern Great Lakes lowland forests: Canada: Nearctic: Temperate broadleaf and mixed forests: Eastern Great Lakes lowland forests: United States: Nearctic: Temperate broadleaf and mixed forests: Eastern forest-boreal transition: Canada: Nearctic: Temperate broadleaf and mixed forests: Eastern forest-boreal ...
Alaska is the most biodiverse state with 15 ecoregions across three biomes in the same realm. California comes in a close second with 13 ecoregions across four biomes in the same realm. By contrast, Rhode Island is the least biodiverse with just one ecoregion—the Northeastern coastal forests —encompassing the entire state.
These forests stretch from eastern Texas and northern Florida to the Adirondacks and Wisconsin. For a general description of these forests, refer to Temperate Deciduous Forest. The standard reference is The Deciduous Forest of Eastern North America. [5] 52 Driftless Area (far northwestern Illinois) 52a - Savanna Section
Biome Ecoregion State Location; Nearctic: Temperate broadleaf and mixed forests: Central U.S. hardwood forests: Southern Indiana Nearctic: Temperate broadleaf and mixed forests: Southern Great Lakes forests: North, Central, and Eastern Indiana Nearctic: Temperate grasslands, savannas, and shrublands: Central forest-grasslands transition ...