期刊论文

Driving Factors of Forest Ecological Security in Yangtze River Delta Based on GWR Model

中文

生态经济

1671-4407

2022

38

6

200-207,216

国家社会科学基金项目“欠发达沿海城市发展的制约因素与突破路径研究”(20BJY067)。

本校为第一机构

论文基于改进的PSR(Pressure-State-Response)理论,以长江三角洲307个区县为研究对象,建立森林生态安全评估指标体系;采用熵权法、ArcGIS软件评估森林生态安全、分析空间分布特征;利用地理加权回归模型研究森林生态安全的影响因素.结论如下:(1)长江三角洲森林生态安全指数均值为0.43,属于一般水平,整体呈非均衡分布.(2)区域城镇化水平、生态区位系数与森林生态安全指数显著负相关,工业结构与森林生态安全指数相关性较弱.基于结论提出建议:(1)城镇化水平较低的地区,加快农村人口向城市集聚.而城镇化水平较高的地区,应加强森林生态安全红线控制.(2)用生态文明理念引领产业结构实现绿色转型,推进循...

Firstly,based on the improved theory of the Pressure-State-Response(PSR),the paper takes the 307 counties located in the Yangtze River Delta as a case study to establish an evaluation index system for forest ecological security.Secondly,we use the entropy method to estimate the forest ecological security of the study area,and analyse the spatial characteristics of the distribution of values with the support of ArcGIS software.Thirdly,geographically weighted regression model is used to analyse the driving factors.The conclusions are as follows.Firstly,the average value of forest ecology securit...