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Land Use Ecological Evaluation of Yan’an

Author: XuKang
Tutor: WuJinHua
School: Chang'an University
Course: Management of land resources
Keywords: land use Ecological evaluation Landscape ecology Ecosystem service value Ecological sensitivity Yan’an
CLC: F301
Type: Master's thesis
Year: 2011
Downloads: 154
Quote: 1
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Abstract


As the human knowing the importance of ecological environment more and more deeply, and protect the ecological environment increasingly become the focus of attention, coordinate land use and ecological environment construction thus becomes an important problem to solve in the land use process. Yan’an is an important part of State energy base, and also the key area of ecological environment construction in northwest China, so to coordinate the relationship between land use and ecological environment construction becomes extremely important, and Yan’an present land use of the ecological evaluation has the vital significance.Based on the survey data of Yan’an land use change respectively, with landscape ecological analysis, the ecosystem services value evaluation and land ecological sensitivity evaluation,three methods to ecological evaluate the land use of Yan’an, to analysis the ecological environmental effect of Yan’an present land use. Through the research and analysis of the land use in recent years, Yan’an has positive environment affects in general,ecological environment develope toward the right direction, but the ecological environment problems not fully resolved, soil and water loss and geological disasters are still the two big problems in ecological environment construction. The increase of forestland is the main reason to perfect the citywide ecological environment, but to improve the implementation and farmland adjustment of agricultural structure caused greatly reduced, and strengthen the cultivated land protection are urgently needed. On this basis, combining the present situation of the ecological environment in Yan’an, forward on subsequent land use policy suggestions.

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CLC: > Economic > Agricultural economy > Agricultural economic theory > Land Economics
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