[1]TAN Kun,YAN Zhihui,ZHAO Zujun,et al.Evaluation of Resource and Environmental Carrying Capacity of Wenshan City in Karst Area Based on Fuzzy Model[J].Research of Soil and Water Conservation,2021,28(01):218-227.
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Evaluation of Resource and Environmental Carrying Capacity of Wenshan City in Karst Area Based on Fuzzy Model
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
28
Number of periods:
2021 01
Page number:
218-227
Column:
Public date:
2021-01-10
- Title:
- Evaluation of Resource and Environmental Carrying Capacity of Wenshan City in Karst Area Based on Fuzzy Model
- Keywords:
- carrying capacity; resource and environmental carrying capacity; fuzzy comprehensive evaluation; karst mountain areas; Wenshan City
- CLC:
- TV213
- DOI:
- -
- Abstract:
- The lack of resources, the fragile ecological environment and backward socio-economic development of Wenshan City in karst mountain areas are found. It is urgent to understand the status of regional resources and environmental carrying capacity, and provide references for the rational development and utilization of resources, ecological environmental protection and sustainable development of socioeconomic. Therefore, a total of 31 indicators were selected to construct a resource and environmental carrying capacity evaluation index system from three aspects of resources, environment and socio-economics, and the fuzzy comprehensive evaluation method combined with GIS technology was used to evaluate and analyze the resources and environment carrying capacity of Wenshan City in karst mountain area on the spatial grid scale. The results show that:(1)the average value of the comprehensive carrying capacity of resources and environment is 3.098 7, which belongs to a medium carrying level as a whole, but there is a lot of rooms for improvement; The area distribution of medium carrying capacity is the largest, accounting for 89.38% of the total area, followed by high carrying capacity and low carrying, accounting for only 10.23% and 0.39%, respectively; the comprehensive carrying capacity of resources and environment in the city center and its surroundings is high, and the poverty and rocky desertification areas in the northwest and northeast are low;(2)the resource carrying capacity is mainly medium, accounting for 75.87% of the total area, followed by low carrying and high carrying, accounting for only 19.55% and 4.57%, respectively; the higher carrying capacity mainly distributes in the southeast, central, southwest, and northwest, and the carrying capacity is lower in the west, northeast, and south; the environmental carrying capacity is mainly high carrying capacity, accounting for 81.20% of the total area, followed by the medium carrying capacity and the ideal carrying capacity, accounting for 18.17% and 0.63%, respectively; the carrying capacity is higher in the north, southwest, and central, while the carrying capacity is relatively weak in the east, southeast, and west central areas; socio-economic carrying capacity is mainly low carrying capacity, accounting for 51.22% of the total area, followed by medium carrying and high carrying capacity, accounting for 37.62% and 11.16%, respectively; the socio-economic carrying capacity of the urban area is the highest, while that of the north, southwest and south is weak;(3)the environmental carrying capacity is the largest, followed by the resource carrying capacity, and the socio-economic carrying capacity is the smallest, indicating that the regional environmental carrying capacity is better, the resource conditions are weak, and the social and economic development is backward in general.
- References:
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Last Update:
2021-01-15