RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2019, Vol. 28 >> Issue (03): 722-730.doi: 10.11870/cjlyzyyhj201903023

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Evolution of Ecosystem Resilience in Mountainous Cities of Karst——Taking Guiyang Urban Area as An Example

NIU Qian 1, ZHOU Xu 1, ZHANG Ji 1, JIANG Xiao 1, YANG Jiang-zhou 1   

  1. (1. School of Geography and Environment Science, Guizhou Normal University, Guiyang 550025, China；
    2. Guiyang Water Science and Technology Academician Workstation, Guiyang 550081,China）
  • Online:2019-03-20 Published:2019-03-22

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Abstract: Ecosystem resilience is an important index to measure the health of regional ecosystem.Based on the resilient force coefficient of ecosystem and the limit coefficient of ecosystem resilience, the comprehensive evaluation model of ecosystem resilience is constructed, and the calculation results are classified by the standard gap leveling method.and the spatio-temporal evolution of ecological system resilience in 2000, 2005, 2010 and 2015 in Guiyang was quantitatively studied.The results showed that：(1) The resilience of the ecosystem in Guiyang City was mainly relatively-strong, medium and relatively-weak, accounting for about 95% of the total area, and the rest was very weak and strong, accounting for about 5%. (2) The resilience of the ecosystem in Guiyang City was weakened by fluctuation from 2000 to 2015, and the resilience was classified as weak and relatively-weak areas grew by 3.24% and 1.12% respectively, while the stronger areas decreased by 2.60%. (3) But the area with strong resilience increased by 0.83%, and the resilience of ecosystems in some areas increased.

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