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Volume 40 Issue 5
Oct.  2021
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DENG Yadong,MENG Qingxin,LV Yong,et al.Evaluation of the vulnerability of geological heritage landscape based on PSR model: Taking Yongfu county as an example[J].Carsologica Sinica,2021,40(05):868-875. doi: 10.11932/karst20210512
Citation: DENG Yadong,MENG Qingxin,LV Yong,et al.Evaluation of the vulnerability of geological heritage landscape based on PSR model: Taking Yongfu county as an example[J].Carsologica Sinica,2021,40(05):868-875. doi: 10.11932/karst20210512

Evaluation of the vulnerability of geological heritage landscape based on PSR model: Taking Yongfu county as an example

doi: 10.11932/karst20210512
Funds:

 DD20190022, DD20190672

 YYWF201638

 2019YFC0507504

  • Received Date: 2021-03-30
  • Publish Date: 2021-10-25
  • The vulnerability is an important index of geological heritage landscape system to reflect human activities and natural conditions. It is also an important index to evaluate the sustainable utilization of geological heritage landscape. Taking the typical geological relic landscape in Yongfu county as an example, and adopting the PSR model of influencing factors of vulnerability,the paper selects 17 valuation indicators from three levels of pressure, state and response to construct the indicator system of vulnerability evaluation for the geological heritage landscape in Yongfu county. The analytic hierarchy process (AHP) is adopted to determine the evaluation factor weight of vulnerability, and 5 classification criteria for vulnerability grade of geological heritage landscape are established by the Delphi Method. Finally, the comprehensive scoring method is used to evaluate the geological heritage landscape in Yongfu. The results show that vulnerability grade of Dingzi hill and Xiaoshanxia in Yongfu is respectively 16.7970 and 19.1421, being slightly vulnerable; the grade of Fulu spring and Shizhanxi waterfall is respectively 39.1628 and 39.7775, mildly vulnerable; the grade of Laxiao river, Baishou river and Banxia lake is respectively 58.5465, 52.3305 and 52.5209, moderately vulnerable;the grade of Baishou cave, Xincuntun cave and Yongfu cave is respectively 65.7430, 64.0893 and 72.9395, highly vulnerable. These values are consistent with the results of field survey, and can basically reflect the current situation of geological heritage in Yongfu county. illustrating the applicability of PSR model to the vulnerability evaluation of geological heritage landscape.

     

  • DENG Yadong,MENG Qingxin,LV Yong,et al.Evaluation of the vulnerability of geological heritage landscape based on PSR model: Taking Yongfu county as an example[J].Carsologica Sinica,2021,40(05):868-875.
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