Landscape change on burned blanks in Daxing's Mountains |
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Authors: | Kong Fan-hua Li Xiu-zhen Yin Hai-wei |
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Institution: | (1) Graduate School for International Development and Cooperation, Hiroshima University, 739-8529 Kagamiyama, Japan;(2) Institute of Applied Ecology, Chinese Academy of Sciences, 110016 Shenyang, P. R. China;(3) Department of Urban and Resources Sciences, Nanjing University, 210093 Nanjing, P.R. China |
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Abstract: | Daxing'an Mountains was one of the most important forest areas in China, but it was also an area which was prone to suffering
forest fire. The catastrophic forest fire that occurred in Daxing'an Mountains on May 6, 1987 devastated more than 1.33×106 hm2 of natural forests, which leaded to the formation of some mosaic areas with different burn intensities. Two forest farms
of Tuqiang Forest Bureau (124°05′–122°18′E, 53°34′–52°15′N) were chosen as a typical area to analyze the post-fire landscape
change by drawing and comparing the two digital forest stand maps of 1987 and 2000. The landscape lands of forest were classified
into 12 types: coniferous forest, broadleaf forest, needle-broadleaf mixed forest, shrub, nursery, harvested area, burned
blanks, agricultural land, swamp, water, built-up, grass. The results showed that: 1) The burned blanks was almost restored,
some of them mainly converted into broadleaf forest land during the process of natural restoration, and coniferous forest
land by the artificial reforestation, and the others almost changed into swamp or grass land; 2) The proportion of forest
area increased from 47.6% in 1987 to 81.3% in 2002. Therefore, a few management countermeasures, such as the enhancing people's
consciousness of fire-proofing and constructing species diversity, were put forward for forest sustainable development.
Foundation item: Under the auspices of the National Science Foundation of China (No. 30270225, 40331008) and the Chinese Academy of Sciences
(SCXZY0102).
Biography: KONG Fan-hua (1975-), female, Ph.D. candidate of Hiroshima University in Japan, specialized in Landscape Ecology.
Responsible editor: Zhu Hong |
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Keywords: | Landscape change Burned blanks Daxing'an Mountains |
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