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Biophysical mechanisms by which forests influence climate. Irreversible deforestation would result in a permanent rise in the global surface temperature. [23] Moreover, it suggests that standing tropical forests help cool the average global temperature by more than 1 °C or 1.8 °F.
Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. [1] Deforestation can involve conversion of forest land to farms, ranches, or urban use. About 31% of Earth's land surface is covered by forests at present. [2]
Degraded forest in Lahnberge, Germany: the soil is being washed out due to lack of vegetal cover, some trees are losing ground and they appear to be sick (photo by Andreas Trepte). Forest degradation is a process in which the biological wealth of a forest area is permanently diminished by some factor or by a combination of factors. "This does ...
The forest resources of the United States remained relatively constant through the 20th century. [3] The Forest Service reported total forestation as 766,000,000 acres (3,100,000 km 2) in 2012. [4] [5] [3] A 2017 study estimated 3 percent loss of forest between 1992 and 2001. [6]
"Through this plan, the United States will help the world deliver on our shared goal of halting natural forest loss and restoring at least an additional 200 million hectares of forests and other ...
Probably the most profound impact that habitat destruction has on people is the loss of many valuable ecosystem services. Habitat destruction has altered nitrogen, phosphorus, sulfur, and carbon cycles , which has increased the frequency and severity of acid rain , algal blooms , and fish kills in rivers and oceans and contributed tremendously ...
Earth system modeling has traditionally been used to analyze forests for climate projections. However, in recent years, there has been a shift away from this modeling towards more mitigation and adaptation projections. [23] These projections can give researchers a better understanding of future forest management practices to employ.
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