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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.
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.
The Eastern Mediterranean conifer-sclerophyllous-forests, also known as the Eastern Mediterranean conifer-forests, [1] is an ecoregion in the eastern Mediterranean Basin. It covers portions of Turkey , Syria , Iraq , Lebanon , Israel , Palestinian territories , Jordan , and Saudi Arabia .
Forests typically have an open canopy and a grassy understory. The predominant trees are deciduous oaks, including Quercus brantii, Q. libani, Q. boissieri, and Q. ithaburensis ssp. macrolepis. Other forest communities include Quercus robur ssp. pedunculiflora forests and montane Pinus sylvestris forests.
The Eastern woodlands of the United States extended further east to the Atlantic seaboard. In the southeast, longleaf pine dominated the grassy woodlands and open-floored forests which once covered 92,000,000 acres (370,000 km 2) from Virginia to Texas. These covered 36% of the region's land and 52% of the upland areas.
The World Wildlife Fund defines the ecoregion as being the northern part of the Appalachian mixed mesophytic forests. [ citation needed ] The Environmental Protection Agency defines it as running from west-central Pennsylvania , east-central and south Ohio , north and northwest West Virginia , and a portion of northeast Kentucky .
The Appalachian–Blue Ridge forests are an ecoregion in the Temperate broadleaf and mixed forests Biome, in the Eastern United States. The ecoregion is located in the central and southern Appalachian Mountains , including the Ridge-and-Valley Appalachians and the Blue Ridge Mountains .