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In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured. [3] [4]
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.
There are 15 state forests in the U.S. state of Tennessee. [1] Tennessee state forests. Name (by alphabetical order) Location (of main entrance) Bledsoe State Forest:
Regional climate was similar to or slightly drier than modern conditions. Oak, hickory, chestnut, and southern pine species were abundant. Walnuts, beech, sweetgum, alder, birch, tulip poplar, elms, hornbeams (Carpinus spp.), basswoods, and others that are generally common in modern southern deciduous forests were also common then.
[4] Large trees measured for possible inclusion as Tennessee Champion Trees included a 27-inch-diameter (690 mm) black cherry, a 46-inch southern red oak, a 62-inch shumard oak, and 9-inch pawpaw. A total of 332 flowering plant species were recorded in 85 families; three-quarters of the species were native. [ 5 ]
The state will work to recover biodiversity, she said, helping native plants return and combating the spread of invasive species. Invasive plants tend to push out advantageous native species and ...
Oak-hickory woodland is the most common natural community in the Interior Low Plateaus. It is the dominant natural community for many areas of rolling hills, including the Western Highland Rim, Shawnee Hills, and Outer Bluegrass. These woodlands represent an intermediate state between a forest and a savanna. [citation needed]
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