Ecological restoration strategies of mining areas based on composite ecological networks: A comprehensive framework and case study

IF 4.1 2区 环境科学与生态学 Q1 ECOLOGY
Yuan Yuan , Ye Yuan , Zhongke Bai , Rongrong Ma , Yuhan Huang
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引用次数: 0

Abstract

Territorial ecological conservation and restoration are imperative for ecological civilisation in the new era, promoting the modernization of territorial spatial governance capabilities. As an important part of territorial ecological restoration, existing mine restoration studies have mainly focused on mine projects from an engineering or purely ecological restoration perspective, lacking coordinated decision-making at the territorial spatial scale. This study proposes a theoretical framework for mine restoration based on composite ecological networks. Considering Changzhi, a resource-based city, as the study area, this research integrates multi-source data and employs spatial analysis tools, including MaxEnt, InVEST 3.8.0, and the minimum cumulative resistance model (MCR), to construct biodiversity conservation, hydro-ecological, and artificial networks. These networks subsequently form a composite ecological network. Given the ecological protection and social demands, this study identifies key investment areas and other zones maximizing the comprehensive benefits of mine restoration and proposes differentiated strategies. The main results show that: (1) Natural ecological sources were mainly distributed in the eastern and western ecological barriers, while socioeconomic sources were concentrated in central urban areas. Three corridor types traversed the entire city, similar to the spatial distribution of ecological sources; (2) from an ecological perspective, the extremely ecologically important restoration areas accounted for 19.55 % of the total mine area, while high social demand areas accounted for 20.55 %. However, the proportion of high-input restoration areas was 6.79 %, and potential restoration zones demonstrated the largest spatial coverage. This confirms the rationality of nature-based ecological restoration; and (3) overall, the mines in Changzhi were categorized into 18 governance models, including five for biodiversity protection, five for hydro-ecological conservation, and eight for improvement of the living environment. Furthermore, different restoration objectives require different restoration strategies. This study not only enriches the theoretical framework for the ecological restoration of mines but also provides a valuable reference for the formulation of ecological restoration plans for mining areas within the territorial spatial planning system.
基于复合生态网络的矿区生态恢复策略:综合框架与案例研究
国土生态保护与修复是新时代生态文明建设的必然要求,推动国土空间治理能力现代化。作为国土生态修复的重要组成部分,现有的矿山修复研究主要是从工程或纯生态修复的角度对矿山项目进行研究,缺乏在国土空间尺度上的协调决策。本文提出了基于复合生态网络的矿山恢复理论框架。本研究以资源型城市长治为研究区,整合多源数据,运用MaxEnt、InVEST 3.8.0等空间分析工具,结合最小累积阻力模型(MCR),构建生物多样性保护网络、水文生态网络和人工网络。这些网络随后形成一个复合的生态网络。从生态保护和社会需求出发,确定重点投资区域和其他区域,实现矿山修复综合效益最大化,并提出差异化策略。结果表明:(1)自然生态资源主要分布在东部和西部生态屏障区,社会经济资源主要集中在中心城区;三种廊道类型贯穿整个城市,类似于生态资源的空间分布;(2)从生态角度看,生态极其重要的恢复区占矿区总面积的19.55%,社会需求高的恢复区占矿区总面积的20.55%。高投入恢复区占6.79%,潜力恢复区空间覆盖率最大。这印证了以自然为本的生态修复的合理性;(3)将长治市矿山总体划分为18种治理模式,其中生物多样性保护5种、水文生态保护5种、人居环境改善8种。此外,不同的恢复目标需要不同的恢复策略。本研究不仅丰富了矿山生态修复的理论框架,也为国土空间规划体系下矿区生态修复规划的制定提供了有价值的参考。
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来源期刊
Ecological Engineering
Ecological Engineering 环境科学-工程:环境
CiteScore
8.00
自引率
5.30%
发文量
293
审稿时长
57 days
期刊介绍: Ecological engineering has been defined as the design of ecosystems for the mutual benefit of humans and nature. The journal is meant for ecologists who, because of their research interests or occupation, are involved in designing, monitoring, or restoring ecosystems, and can serve as a bridge between ecologists and engineers. Specific topics covered in the journal include: habitat reconstruction; ecotechnology; synthetic ecology; bioengineering; restoration ecology; ecology conservation; ecosystem rehabilitation; stream and river restoration; reclamation ecology; non-renewable resource conservation. Descriptions of specific applications of ecological engineering are acceptable only when situated within context of adding novelty to current research and emphasizing ecosystem restoration. We do not accept purely descriptive reports on ecosystem structures (such as vegetation surveys), purely physical assessment of materials that can be used for ecological restoration, small-model studies carried out in the laboratory or greenhouse with artificial (waste)water or crop studies, or case studies on conventional wastewater treatment and eutrophication that do not offer an ecosystem restoration approach within the paper.
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