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Betula uber, the Virginia round-leaf birch, is a rare species of tree in the birch family. One of the most endangered species of North American trees, it is endemic to Smyth County, in the U.S. state of Virginia. It is part of the temperate broadleaf and mixed forests biome. Leaves
They are managed by the Virginia Department of Forestry. [1] The system was created to manage and maintain forests for wildlife, timber production, recreation, water quality, and aesthetics. The system receives no taxpayer funds, and is self-supported by the sale of forest products. [2] Most Virginia state forests are accessible to the public.
Some states, such as Illinois and West Virginia, require all homeowners insurance providers in the state to offer mine subsidence insurance coverage in affected counties. In Illinois, there are 34 ...
Drivers, processes, and impacts of sinking cities [1]. Sinking cities are urban environments that are in danger of disappearing due to their rapidly changing landscapes.The largest contributors to these cities becoming unlivable are the combined effects of climate change (manifested through sea level rise, intensifying storms, and storm surge), land subsidence, and accelerated urbanization. [2]
Local authorities and emergency workers in Virginia monitored a landslide near the Big Cherry Reservoir in Big Stone Gap, Virginia, on Tuesday, February 26.This drone footage shows a view of the ...
The natural environment of Virginia encompasses the physical geography and biology of the U.S. state of Virginia. Virginia has a total area of 42,774.2 square miles (110,784.67 km 2 ), including 3,180.13 square miles (8,236.5 km 2 ) of water, making it the 35th- largest state by area. [ 1 ]
Virginia Wildlife Management Areas (WMAs) are state-managed protected areas that exist primarily for the benefit of wildlife. Within the Commonwealth of Virginia , 46 tracts of land have been protected as WMAs, covering a total of over 216,000 acres (338 sq mi; 870 km 2 ).
Subsidence frequently causes major problems in karst terrains, where dissolution of limestone by fluid flow in the subsurface creates voids (i.e., caves).If the roof of a void becomes too weak, it can collapse and the overlying rock and earth will fall into the space, causing subsidence at the surface.