Assessment and analysis of the carrying capacity of resources and environment in Yangtze River Delta

doi:10.14088/j.cnki.issn0439-8114.2022.03.010

Abstract

Abstract: In the critical period of comprehensively promoting the integrated development of Yangtze River Delta，the evaluation of the carrying capacity of resources and environment in the Yangtze River Delta can provide the basic basis for resource allocation and spatial optimization for the coordinated development of regional resources， environment and economy. Based on a comprehensive understanding of the resource reserve， ecological environment and social development in the Yangtze River Delta region， 17 evaluation indexes were selected from the three levels of social economy， ecological environment and water and soil resources respectively to complete the construction of the evaluation index system of resource and environment carrying capacity. Based on GIS technology， AHP and expert scoring method were used to get the weight of each index and the linear weighting method was adopted with the method of sum， the evaluation model of resources and environment carrying capacity based on spatial scale was established， and the resource and environment carrying capacity of Yangtze River Delta was estimated， classified and analyzed. The results showed that the resources and environment carrying capacity of the Yangtze River Delta region in the middle and east of the Yangtze River Delta urban agglomeration was mainly low and low grade in 2015， the northern region was mainly high-grade， and the southern region was mainly high and medium grade； Affected by the terrain conditions， the value of plain agricultural area was high， and that of mountainous and hilly areas was mainly high and medium. The carrying capacity of resources and environment in the Yangtze River Delta was not optimistic. There were great differences in resources and environment in the region， and some areas were still facing greater pressure. It was very important to strengthen the protection and construction of ecological environment to improve the carrying capacity of resources and environment.

Key words: Yangtze River Delta, evaluation index, resource and environment carrying capacity, remote sensing and GIS

CLC Number:

F299.27
X24

ZHANG Xiang-wu, ZHAO Xiao-li, YI Ling,ZHANG Zeng-xiang,WANG Xiao. Assessment and analysis of the carrying capacity of resources and environment in Yangtze River Delta[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(3): 47-52.

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