摘要
为了以系统思维为指导全方位加强生态文明建设,科学评估生态受损和失衡区域,实现保护和修复一体化,以江西省上饶市万年县为研究区,运用MSPA与MCR模型构筑生态网络,叠加生态脆弱性的评价分级,精准判定需进行生态修复的区域,并针对各区域的特性分类施策,提出相应的修复与保护措施。结果表明:(1)共识别出7处生态源地,总面积353.61 km^(2),21条生态廊道,总长度292.1 km,架构起了“一环、一核、多廊、多斑块”的生态安全网络格局;(2)研究区生态脆弱性评价结果以非脆弱与低度脆弱为主,但中心城区及其周围地带以及南部的低山区域的生态脆弱性较为显著,东南部边缘地带高脆弱区聚集;(3)识别出6块生态修复保护区域,并根据区域内土地利用实际情况将其分为三类,分别提出生态修复保护方案。本研究为万年县的生态修复保护工作提供了综合分析路径,能够精准识别出连通性强但脆弱性较高地带,为研究区国土空间生态修复和保护提供技术支撑。
In order to reinforce the construction of an ecological civilisation in all its aspects,guided by systemic thinking,it is necessary to scientifically assess the areas of ecological damage and imbalance,and to achieve the integration of protection and restoration.The study area was Wannian County,Shangrao City,Jiangxi Province.In this study,the MSPA and MCR models were used to construct an ecological network,overlaid with the ecological vulnerability assessment,to accurately identify areas in need of ecological restoration,and to propose restoration and protection measures based on the characteristics of each area.The results showed that:(1)a total of 7 ecological sources with a total area of 353.61 km^(2) and 21 ecological corridors with a total length of 292.1 km had been identified,creating an ecological network pattern of"one ring,one nucleus,multiple corridors and multiple patches".(2)The results of ecological vulnerability assessment in the study area were dominated by non-vulnerable and low vulnerability,but the ecological vulnerability was more significant in the central city and its surrounding zones,as well as in the low mountainous areas in the south,with a concentration of high vulnerability zones in the southeastern fringes.(3)The study identified six ecological restoration and protection areas,classified into three categories based on their current land use.Separate ecological restoration and protection schemes were proposed for each area.This study offerd a comprehensive analysis framework for ecological restoration and protection in Wannian County.It accurately identified zones with strong connectivity but high vulnerability,thereby providing technical support for the ecological restoration and protection of land space in the study area.
作者
刘妮
朱传民
LIU Ni;ZHU Chuanmin(School of Earth Science,East China University of Technology,Nanchang,Jiangxi,330000,China)
出处
《天津农业科学》
CAS
2024年第4期30-38,共9页
Tianjin Agricultural Sciences
关键词
生态网络
生态脆弱性评价
生态修复
修复措施
ecological web
environmental impact assessment
ecological restoration
restoration measures
