Abstract
Resource-based cities are cities that depend on the exploitation and primary processing of natural resources, such as minerals, metals, and oil, and whose rise and development are highly dependent on resources. Due to over exploitation, many problems related to ecosystem degradation have been caused. Ecological restoration of land space is urgent. One of the difficulties in carrying out ecological restoration of territorial space lies in the identification of key areas for ecological restoration and diagnosis of regional ecological problems. In this study, we applied the spatial assessment of ecological sensitivity and the Integrated Valuation of Ecosystem Services and Trade-offs (InVEST) model to quantitatively analyze the overall ecosystem in Huangshi city so as to delimit the ecological restoration division of Huangshi City. The results showed that: (1) The overall distribution rule is that vegetation, such as that in mountains and forests, is dense, the sensitivity around water and wetlands is high, and the distribution of mines in Huangshi is high. (2) For the period 1980–2018, the habitat quality index of Huangshi was good, with a slight decreasing trend. The simulated habitat quality distribution was consistent with the region-dominated land cover type. (3) Huangshi formed a spatial pattern with natural protected areas as the priority protection areas, mining areas as the key restoration areas, and natural protected areas and mining areas as the general restoration areas. (4) During the period of 1980–2018, the water management of Huangshi generally improved, which indicates that the water pollution control in Huangshi had a positive effect. The results of this study can provide some reference for the green transformation development and ecological restoration of resource-based cities.
Highlights
Resource-based cities are those that rely on the exploitation and primary processing of natural resources, such as minerals, metals, oil, and forests, and whose rise and development are highly dependent on the resources [1]
First,Soil the univariate ecological sensitivity of the area studywas area was analyzed (Figures erosion sensitivity in the study concentrated in low2–5)
This paper evaluated the overall ecological environment of resource-based cities, and took into account factors such as the control of mining subsidence, the prevention and control of geological disasters, and ecological restoration of mines in specific ecological restoration zoning plans
Summary
Resource-based cities are those that rely on the exploitation and primary processing of natural resources, such as minerals, metals, oil, and forests, and whose rise and development are highly dependent on the resources [1]. During the development of resource-based cities, long-term dependence on resource extraction caused significant problems in the ecosystem, including frequent geological disasters, which seriously hinder the stability and sustainable development of the regional ecological environment. Evaluation of the ecological environment, identification of means to repair the ecosystem, and realization of the sustainable development of the resource-based city are realistic challenges and urgent tasks currently faced in China [2]. 2016, the State Council of the People’s Republic of China issued the “Opinions of the State. Council of the People’s Republic of China on Further Strengthening of Urban Planning, Construction, and Management Work”, which proposed restoration of natural ecology in cities and systematic requirements for restoring damaged mountains, rivers, wetlands, and Sustainability 2021, 13, 3931. On March 2019, Premier Li Keqiang proposed ecological reform at the Second
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