基于GWR的陕西省生态系统服务价值时空演变特征及影响因素分析

被引：87

作者：

耿甜伟 ^{[1
,2
]}

陈海 ^{[1
,2
]}

张行 ^{[1
,2
]}

史琴琴 ^{[1
,2
]}

刘迪 ^{[1
,2
]}

机构：

[1] 西北大学城市与环境学院

[2] 陕西省地表系统与环境承载力重点实验室

来源：

自然资源学报 | 2020年 / 35卷 / 07期

关键词：

生态系统服务价值; 时空特征; GWR模型; 影响因素; 陕西省;

D O I：

暂无

中图分类号：

X171.1 [生态系统与生态环境];

学科分类号：

071012 ; 0713 ;

摘要：

基于生态系统服务价值(ESV)评估体系、地理探测器与GWR模型,分析了2000—2015年的陕西省107个县级行政单位ESV时空演变特征、影响因素及主导因子作用强度的空间分异特征。结论如下:(1)15年间陕西省ESV先升后降,其中供给服务与调节服务是陕西ESV的核心功能。(2)历年ESV高低值分布都表现出中心低,边缘高,北低南高的空间特征,ESV差值变化特征较为明显,全境基本被负值覆盖,高值区域集中于陕北。(3)经济因素对ESV的解释作用最强,社会因素与自然因素次之。(4)各主导因子对ESV的作用的空间强度不同,其中土地垦殖率呈现出由南向北逐渐递减的特征,人均GDP从南到北逐渐增强,人口密度由东北向西南逐渐增强,城乡居民人均收入对ESV则表现出由北向南从负值向正值过度且作用逐渐递增的特征。

引用

页码：1714 / 1727

页数：14

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