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Deforestation: Species
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Precipitation levels within a specific province are affected by deforestation that occurs within the province, as well as by precipitation that occurs outside its borders. For example, imagine an air stream over the Beijing-Canton Railway that carries moisture from the southern province of Guangdong where monsoons bring heavy rains, via the provinces of Hunan, Hubei, Henan, Hebei arriving eventually in Beijing. Deforestation in Guangdong will reduce the moisture exported to Hunan. Reduced moisture imports from Guangdong will cause a drop in precipitation levels in Hunan that are ... influenced by local deforestation. Declining precipitation levels in Hunan will reduce moisture exports to Hubei. As is the case in Hunan, local deforestation also decreases precipitation in Hubei.
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It has been argued that the lack of specificity in use of the term deforestation distorts forestry issues. The term deforestation is used to refer to activities that use the forest, for example, fuel wood cutting, commercial logging, as well as activities that cause temporary removal of forest cover such as the slash and burn technique, a component of some shifting cultivation agricultural systems or clearcutting. It is ... used to describe forest clearing for annual crops and forest loss from over-grazing. Some definitions of deforestation include activities such as establishment of industrial forest plantations are considered afforestation by others. It has also been argued that the term deforestation is such an emotional term that is used "so ambiguously that it is virtually meaningless" unless it is specified what is meant. More specific terms terms include forest decline, forest fragmentation and forest degradation, loss of forest cover and land use conversion.
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Deforestation consequently decrease the supply of oxygen found on earth. Oxygen is essential to the existence of all living things and without it every living creature (including humans) will not be able to sustain life. In addition, forests provide homes for many important species such as the Northern Spotted Owl which can only survive in the northwestern United States . Furthermore, forests prevent desertification by replenishing nutrients in the land. These are just a few reasons why forests are soon important.
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There are no comprehensive data to enable a quantitative analysis of deforestation during the Great Leap Forward (1958 to 1961). However, the Forests in China series does supply data that span the Great Leap Forward period for a number of provinces. Unfortunately, the figures quoted below are not all specific to the Great Leap Forward, rather, they encompass additional time periods.
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Amazonian deforestation causes serious impacts that, if counted in decision making, would often be seen to outweigh the benefits derived from clearing. Loss of biodiversity is one such impact, which implies both loss of the value of the direct uses to which the species lost might be put by humans and the loss of existence values that are independent of such direct uses. Deforestation impacts are magnified by the pattern of clearing that leaves the remaining forest divided into fragments, which then degrade both biodiversity and carbon stocks.
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Many habitats are destroyed due to deforestation. In forests, there is a large range of biodiversity, and cutting it down, leaves birds, mammals and many other types of species with no where to go. How would you like it if someone came and destroyed your home? It's not very pleasant, is it.
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