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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]
The forest is still there, but with fewer trees, or fewer species of trees, plants or animals, or some of them affected by plagues. [1] This degradation makes the forest less valuable and may lead to deforestation. Forest degradation is a type of the more general issue of land degradation.
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.
Forests in the United States can be categorized into three main forest biomes, they are boreal, temperate, or sub-tropical based on the location and climate of the forest. Each of these biomes faces various threats of deforestation , urban development, [ 2 ] soil compaction , species extinction, unmanaged recreational use, invasive species , or ...
Tropical forests are home to a wide variety of plant and animal species, many of which are found nowhere else in the world. When forests are cleared, these species are often displaced or killed. [2] [3] [4] Second, the deforestation of tropical forests is disrupting ecosystems. Forests play a vital role in regulating the environment.
The Kyoto Protocol article 3.3 thus requires mandatory LULUCF accounting for afforestation (no forest for last 50 years), reforestation (no forest on 31 December 1989) and deforestation, as well as (in the first commitment period) under article 3.4 voluntary accounting for cropland management, grazing land management, revegetation and forest ...
Forest cover in the Eastern United States reached its lowest point in roughly 1872 with about 48 percent compared to the amount of forest cover in 1620. 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]
Common trees include tree ferns (Cyathea spp.), Epicharis gillespieana, Hernandia moerenhoutiana, Fagraea spp., Syzygium spp., and Macaranga seemannii. Leptopteris ferns and the climbers Freycinetia spp. are abundant. [1] 1,769 vascular plants are native to Fiji, of which 1,350 are native to moist forests. About 23% of Fiji's native plants are ...