Journal of Geo-information Science >
The Comprehensive Evaluation Model of Resources and Environmental Carrying Capability
Received date: 2013-06-18
Revised date: 2013-08-19
Online published: 2014-03-10
Over-exploitation of resources resulting in environment severely damaged, making the resources and environmental carrying capacity declined significantly. Research on carrying capacity of resources and environment has become popular and a trend in ecological environment research. Moreover, it has great significance to economic activity of human society. Regarding resource and environment as a complex ecological system, this article established the integrated index system of resources and environmental carrying capacity based on multi-level structure of target layer-criterion layer-index layer, which contains three criteria level indicators, eight integrated indicators and the integration of a series of basic indicators index system with the resources and environmental carrying capacity as the target layer. Through a comprehensive analysis of the linkages between indicators and their contribution to the overall goal, several integrated indicators model, socio-economic development level model, resources carrying capacity model, environmental vulnerability degree model, resources and environmental carrying capacity composite index model was constructed. Regarding grid which distributed evenly and continuously with the same size as the basic unit of analysis, a systematic and quantitative techniques methodology was formed through the use of GIS technique. In addition, calculation of index data in grid cells and visualization of the resources and environmental carrying capacity was achieved. The results reflected the continuity and gradual change of spatial distribution of resources and environmental carrying capacity, improved the mutability generated by administrative divisions, i.e. the unit of analysis. By the empirical analysis of Yanggao County in Shanxi Province, the validity and operability of the model and method was verified due to the consistency of the results with the actual situation.
CHAI Guoping, XU Mingde, WANG Fan, ZUO Chan . The Comprehensive Evaluation Model of Resources and Environmental Carrying Capability[J]. Journal of Geo-information Science, 2014 , 16(2) : 257 -263 . DOI: 10.3724/SP.J.1047.2014.00257
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