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Map of wood-filled areas in the United States, circa 2000 [1]. 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]
Pre-existing natural communities remained largely intact south of the glaciers, but saw an increase in dominance of pine and a now-extinct species of temperate spruce, (Picea critchfieldii). This area included many plant communities that rely on a lightning-based fire regime, such as the longleaf pine woodland.
This is the largest giant sequoia (Sequoiadendron giganteum) among more than a dozen that were planted early in the 20th century in Laurelhurst Park of Portland, Oregon. The tallest tree in the world is the coast redwood; the most massive tree is the closely related giant sequoia. Both have non-overlapping native ranges limited to California ...
Higher temperatures are also likely to reduce livestock productivity: hot weather causes cows to eat less, grow more slowly, and produce less milk, and it can threaten their health". [1] In addition, "black vultures in Kentucky are moving north due to climate change and killing more cattle every year due to their newly expanded range". [5]
The Daniel Boone National Forest (originally the Cumberland National Forest) is a national forest in Kentucky.Established in 1937, it includes 708,000 acres (287,000 ha) of federally owned land within a 2,100,000-acre (850,000 ha) proclamation boundary.
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It has been estimated that before European settlement, forests in the United States mainland covered nearly 1 billion acres (4,000,000 km 2). [1] Since the mid-1600s, about 300 million acres (1,200,000 km 2) of forest have been cleared, primarily for agriculture during the 19th century.