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Journal of Desert Research ›› 2025, Vol. 45 ›› Issue (4): 211-226.DOI: 10.7522/j.issn.1000-694X.2025.00066

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Evolution and prediction of habitat quality in the Horqin Sandy Land

Delong Zhou1(), Yongfang Wang1,2,3(), Enliang Guo1,2, Ying Hong1,2, Haowen Ma1, Quanfei Mu1, Yanli Wang1   

  1. 1.College of Geographical Science /, Inner Mongolia Normal University,Hohhot 010022,China
    2.Inner Mongolia Key Laboratory of Mongolian Plateau Geography Research /, Inner Mongolia Normal University,Hohhot 010022,China
    3.Key Laboratory of Mongolian Plateau's Climate System, Inner Mongolia Normal University,Hohhot 010022,China
  • Received:2025-02-28 Revised:2025-05-31 Online:2025-07-20 Published:2025-08-18
  • Contact: Yongfang Wang

Abstract:

As one of the regions in China most severely impacted by land desertification, the habitat quality of the Horqin Sandy Land is closely tied to the regional ecological environment and ecological security. This study used the Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) model to assess habitat quality in the Horqin Sandy Land from 1990 to 2022. Methods such as the dynamic degree model, Theil-Sen median trend analysis, Mann-Kendall test, Hurst index, and geographic detector were employed to analyze the spatiotemporal changes in habitat quality and its influencing factors. Additionally, the study coupled the Grey Multi-Objective Programming (GMOP) model with the Patch-generating Land Use Simulation (PLUS) model to forecast habitat quality under four scenarios: ecological, natural, economic, and comprehensive development. The results show a general improvement in habitat quality from 1990 to 2022, with sustainable characteristics. Spatially, the habitat quality follows a west-high, east-low distribution pattern, with 14.73% of the area showing significant improvements. The geographic detector analysis reveals that vegetation factors are the primary drivers of habitat quality changes, with the interaction of terrain, climate, and human activities providing a strong explanation for spatial heterogeneity. Predictions indicate that by 2035, habitat quality will continue to improve, particularly under the ecological protection scenario, where the greatest enhancement is expected. Areas of low habitat quality will gradually decrease, while medium- and high-quality habitats will expand.

Key words: InVEST model, habitat quality, GMOP model, PLUS model, geographic detector, Horqin Sandy Land

CLC Number: