干旱区研究

Arid Zone Research >

2023 , Vol. 40 >Issue 2: 303 - 312

DOI: https://doi.org/10.13866/j.azr.2023.02.14

Ecology and Environment

Spatio-temporal differentiation of the composite ecosystem resilience in the ecologically fragile area in the upper reaches of the Yellow River: A case study in Ningxia

  • Hang YANG ,
  • Jingwei HOU ,
  • Caihong MA ,
  • Chen YANG ,
  • Yanjuan WANG
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  • School of Geography and Planning, Ningxia University, Yinchuan 750021, Ningxia, China

Received date: 2022-08-09

  Revised date: 2022-10-02

  Online published: 2023-03-08

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Abstract

Improving the disturbance resistance and restoration of ecologically fragile areas is an important part of ecological civilization construction. The key factors affecting ecological resilience were diagnosed with the help of coupling coordination model, correlation analysis, and obstacle model. Based on the economic, social, and natural multidimensional perspective of composite ecosystem resilience assessment model, using entropy method and GIS spatial analysis, in 2009-2019 Ningxia composite ecosystem resilience difference analysis was done. The results show that: (1) The resilience of Ningxia’s composite ecosystem is on the rise, but the overall level is low, and economic resilience grows the fastest. High economic resilience is densely distributed in the north, and high social resilience is centered in the city. High natural resilience is mainly distributed in the east, south, west, and north corners, and the northern composite ecosystem is more resilient than that in the central and southern regions. (2) The coupling degree of the composite ecosystem in Ningxia is relatively high, but the coordination degree is relatively low. The coupling and coordination degree improves slowly during the research period, and most districts and counties are still in a state of serious and moderate imbalance. (3) The economic structure shows a strong positive correlation with the economic potential, infrastructure, the improvement of people’s livelihood, and the natural environment. Population, environmental stress, and economic vitality in the criterion layer have a significant impact on the composite ecosystem’s resilience, while the index layer’s total energy consumption and the number of workers in the transportation, storage, and postal sectors have a significant impact on the resilience of the majority of districts and counties. In the future, it is necessary to actively play the positive synergistic effect of various influencing factors to rapidly improve the resilience of the composite ecosystem in Ningxia, to effectively help the ecological protection and the construction of a high-quality pilot zone in the Yellow River.

Key words： resilience of composite ecosystems; coupling coordination degree; correlation analysis; obstacle degree model; eecological fragile areas; upper reaches of the Yellow River

Cite this article

Hang YANG , Jingwei HOU , Caihong MA , Chen YANG , Yanjuan WANG . Spatio-temporal differentiation of the composite ecosystem resilience in the ecologically fragile area in the upper reaches of the Yellow River: A case study in Ningxia[J]. Arid Zone Research, 2023 , 40(2) : 303 -312 . DOI: 10.13866/j.azr.2023.02.14

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