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Identifying Spatial Priority of Ecological Restoration Dependent on Landscape Quality Trends in Metropolitan Areas

Author

Listed:
  • Junda Huang

    (Department of Landscape Architecture, College of Architecture and Urban Planning, Tongji University, Shanghai 200092, China)

  • Yuncai Wang

    (Department of Landscape Architecture, College of Architecture and Urban Planning, Tongji University, Shanghai 200092, China
    Center of Ecological Planning and Environment Effects Research, Key Laboratory of Ecology and Energy-Saving Study of Dense Habitat, Ministry of Education, Shanghai 200092, China)

  • Lang Zhang

    (Shanghai Academy of Landscape Architecture Science and Planning, Shanghai 200232, China)

Abstract

Ecological restoration has become an important tool for mitigating and adapting to environmental degradation caused by global urbanization. However, current research has focused on single indicators and qualitative analysis, meaning that ecological restoration has not been effectively and comprehensively addressed. This study constructed a spatial priority identification system for ecological restoration, with landscape area, landscape structure and landscape function as the core indicators. The system has wide adaptability. In this work, the spatial classification of ecological degradation was performed by overlay analysis. The results showed the following: (1) In the Shanghai metropolitan area, the landscape quality showed a trend of degradation, with built-up areas encroaching on forests and cropland. (2) Ecological degradation in the suburbs was more severe than that in the urban center. Forests had the highest landscape area indicator (LAI) stability. Significant degradation of landscape structure indicators (LSIs) occurred when built-up area and cropland were transformed into forests. (3) Different types of ecological restoration had significant spatial distribution patterns. Through this identification system, this study aimed to help planners/managers of ecological restoration to recognize the changing patterns of regional landscape quality and its relationship with land cover. It ultimately provides a basis for the formulation of regional ecological objectives and spatial strategies.

Suggested Citation

  • Junda Huang & Yuncai Wang & Lang Zhang, 2021. "Identifying Spatial Priority of Ecological Restoration Dependent on Landscape Quality Trends in Metropolitan Areas," Land, MDPI, vol. 11(1), pages 1-21, December.
    • Handle: RePEc:gam:jlands:v:11:y:2021:i:1:p:27-:d:710487
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