Xiaozhou Li1,2, Zhenggang Xu1, Yuanyuan Fu3, Qi Jin1, Yunlin Zhao1,*, Neal N. Xiong4
CMC-Computers, Materials & Continua, Vol.69, No.1, pp. 985-1001, 2021, DOI:10.32604/cmc.2021.017357
- 04 June 2021
Abstract Today, resource depletion threatens a number of resource-based cities in China. The ecological security problem caused by the long-term exploitation of natural resources is a key issue to be solved in the development of resource-exhausted cities. Using 23 indicators, this study evaluated the ecological security status and development trends of 21 resource-exhausted cities in China from 2011 to 2017. The results showed that from 2011 to 2015, the overall ecological security of this type of city was low, with over 60% of the cities at an unsafe level. However, ecological security improved rapidly after 2016, More >
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