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During the Last Glacial Maximum about 18,000 years ago, the glacial front in the eastern United States extended south to the approximate location of the Missouri and Ohio River. These glaciers destroyed any vegetation in their path, and cooled the climate near their front.
Although the major modern community types were flourishing in the Southeast by 10,000 years BP, and the climate was similar to that today, the understory flora had not yet come to resemble modern herbaceous floras. Mixed hardwood forests dominated the majority of the upper Coastal Plains, Piedmont, and lower mountain regions. Southern pine ...
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 1584 Richard Hakluyt, archdeacon of London's Westminster Abbey and preeminent geographer in Europe, published a manuscript titled A Discourse of Western Planting, in which he advocated the colonization of North America for the “employmente of numbers of idle men” to extract its natural resources for exportation to England. Among the ...
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According to Britannica, once the trend of having Christmas trees really took off around the world, there was some concern in various areas over the decreasing supply of trees. To help combat the ...
The majority of deforestation took place prior to 1910 with the Forest Service reporting the minimum forestation as 721,000,000 acres (2,920,000 km 2) around 1920. [2] The forest resources of the United States remained relatively constant through the 20th century. [3]
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