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Interactive Effects of Ecological Land Agglomeration and Habitat Quality on Soil Erosion in the Jinsha River Basin, China

Author

Listed:
  • Bo Wen

    (College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China)

  • Chenxi Liu

    (College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China)

  • Xu Tian

    (China Construction First Group the Fifth Construction Co., Ltd., Beijing 100024, China)

  • Qi Zhang

    (China Construction First Group the Fifth Construction Co., Ltd., Beijing 100024, China)

  • Shaolie Huang

    (China Construction First Group the Fifth Construction Co., Ltd., Beijing 100024, China)

  • Yanyuan Zhang

    (College of Economics and Management, Nanjing Forestry University, Nanjing 210037, China)

Abstract

Soil erosion is a significant global environmental issue and a crucial aspect of global change. Exploring the interactive effect of ecological land agglomeration and habitat quality on soil erosion can effectively guide the positive intervention of ecological restoration activities. The study calculated the comprehensive ecological land agglomeration with Fragstats 4.2 and the habitat quality with InVEST 3.7.0 for the years 2000, 2010, and 2020 within the Jinsha River Basin in Yunnan, China. In addition, the RUSLE model was utilized to calculate soil erosion in the study area. The Geographic and Temporally Weighted Regression (GTWR) model was employed to obtain the regression coefficients and their spatial and temporal variations. The findings of this study revealed the following: (1) During the study period, there was an overall 29.06% reduction in the soil erosion modulus with an annual rate of 1.70% reduction on average, accompanied by an increase in both the comprehensive ecological land agglomeration and habitat quality. Soil erosion was more severe in the eastern regions than in the western ones and the other two indicators were higher in the northeast and southwest. (2) The GTWR results demonstrate that comprehensive ecological land agglomeration and habitat quality were negatively correlated with soil erosion, with results of −0.1383 and 0.0021, respectively. However, in northwest regions, there was a significant positive correlation between habitat quality and soil erosion. (3) The interaction term between comprehensive ecological land agglomeration and habitat quality was significantly negatively correlated with soil erosion with a result of −0.0299, and the interaction coefficients have regional variations. This study offers valuable guidance for land-use development and soil and water conservation in the Jinsha River Basin.

Suggested Citation

  • Bo Wen & Chenxi Liu & Xu Tian & Qi Zhang & Shaolie Huang & Yanyuan Zhang, 2024. "Interactive Effects of Ecological Land Agglomeration and Habitat Quality on Soil Erosion in the Jinsha River Basin, China," Land, MDPI, vol. 13(2), pages 1-23, February.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:2:p:229-:d:1337759
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    References listed on IDEAS

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