东北土地利用变化的影响.doc
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1、东北土地利用变化的影响Abstract According to the sample with different combination types of land use in Chinas northeast as a typical area. Using GIS and remote sensing analysis on different type areas in nearly 30 years the effects of land use change on ecosystem service value. Selection in this paper, based o
2、n the amount of value evaluation method, the research results of the reference Costanza et al. Combined with the actual situation in the study area. Using mean value of Chinese land ecosystem service value per unit area to analyze changes in ecosystem services value in the study area. The research r
3、esults show that the northeast sample with land use types changed a lot. Are in increasing trend, the degree of land use of cultivated land, woodland and grassland ESV have major changes, different type of unit area ESV difference is very big also. The basic distribution laws of forest crisscross zo
4、ne of agriculture and forestry farming-pastoral zone pasture farming areas. Results showed that the sensitivity analysis. ESV research areas of ecological service function value index is lack of elasticity, the results are credible. Key words LUCC change; The value of ecosystem services; Sensitivity
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- 东北 土地利用 变化 影响
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