Impacts of Afforestation, Deforestation, and Reforestation on Forest Cover in China from 1949 to 2003
China's forest cover increased from 8.6% in 1949 to 18.21% in 2003. The change of forest cover in China can be characterized in three stages: (1) transition stage (1949–1981), (2) slow increase stage (1982–1993), and (3) rapid increase stage (1994–2003). Afforestation is the primary factor increasing forest cover in China. Cumulative areas of afforestation in China from 1949 to 2003 were 241 million ha, of which 90 million ha eventually established as plantation forests, i.e., about 37% of the afforested area reach forest status. Harvesting consumed 13 billon m3 in timber volume from 1949 to 2003. Natural forests were the major source of timber production during the early years, and plantation forests became a major source of timber supply as they matured. Of the 90 million ha plantation forests, 53 million ha remained in 2003, the rest were harvested. The remaining plantations in 2003 contributed 5.0 of the 6.4 percentage points of increase in China's overall forest cover from1962 to 2003. Large areas of afforestation, intensive timber harvesting, and reforestation have made forest ecosystems in China become dominated by young stands, which has profound implications in their ecological functions in the terrestrial ecosystems.
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Document Type: Research Article
Publication date: 2006-10-01
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