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The Appalachian temperate rainforest has a cool and mild climate and meets the criteria of temperate rainforests identified by Alaback. [1] Temperature and precipitation are extremely variable with elevation, with rainforest conditions usually but not always concentrated around spruce–fir forests at higher elevations.
In terms of biodiversity, the only comparable temperate deciduous forest regions in the world are in central China, Japan, and in the Caucasus Mountains.Both the Appalachians (along with the neighbouring Appalachian mixed mesophytic forests ecoregion) and central China contain relict habitats of an ancient forest that was once widespread over the Northern Hemisphere.
A portion of the temperate rain forest region of North America, the largest area of temperate zone rainforests on the planet, is the Pacific temperate rain forests ecoregion, which occur on west-facing coastal mountains along the Pacific coast of North America, from Kodiak Island in Alaska to northern California, and are part of the Nearctic realm.
English: This map of the Eastern United States shows what areas meet the climactic definition of a temperate rainforest: - High annual rainfall (at least 1400 mm) - Cool year-round temperatures (4 to 12°C average) - Wet summers (at least 10% of total precipitation occurring during the summer months) - Moderate July temperatures (dark green less than 16°C, medium green less than 18°C ...
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 .
Blue Ridge Mountains - Front Royal, Virginia Although the term "Blue Ridge" is sometimes applied exclusively to the eastern edge or front range of the Appalachian Mountains, the geological definition of the Blue Ridge province extends westward to the Ridge and Valley area, encompassing the Great Smoky Mountains, the Great Balsams, the Roans, the Blacks, and other mountain ranges.
The Appalachian mixed mesophytic forests is an ecoregion of the temperate broadleaf and mixed forests biome, as defined by the World Wildlife Fund. It consists of mesophytic plants west of the Appalachian Mountains in the Southeastern United States. This ecoregion consists of the following EPA level III ecoregions: Southwestern Appalachians ...
Temperate broadleaf and mixed forests in the United States (1 C, 38 P) Temperate coniferous forests of the United States (1 C, 31 P) Temperate grasslands, savannas, and shrublands in the United States (2 C, 25 P)