基于RSEI的生态环境质量评价及驱动力分析——以闽江流域(福州段)为例  

Eco-environmental quality assessment and driving force analysis based on RSEI: a case study of the Minjiang River basin (Fuzhou section)

作　　者：施智勇 胡晓婷 谢慧黎 刘兴诏 SHI Zhiyong;HU Xiaoting;XIE Huili;LIU Xingzhao(College of Landscape Architecture and Art,Fujian Agriculture and Forestry University,Fuzhou 350002,China;Innovation Center of Engineering Technology for Monitoring and Restoration of Ecological Fragile Areas in Southeast China,Ministry of Natural Resources,Fuzhou 350013,China)

机构地区：[1]福建农林大学风景园林与艺术学院,福建福州350002 [2]自然资源部东南生态脆弱区监测修复工程技术创新中心,福建福州350013

出　　处：《测绘通报》2023年第2期28-33,共6页Bulletin of Surveying and Mapping

基　　金：福建省科技创新项目(KY-090000-04-2021-012);国家自然科学基金(31800401);福建农林大学艺术学院园林学院交叉融合引导项目(YSYL-xkjc-2)。

摘　　要：生态环境对社会经济可持续发展至关重要。为了研究闽江流域(福州段)生态环境的变化情况,本文以2010、2015和2021年的遥感影像为基础,通过主成分分析构建遥感生态指数(RSEI),对闽江流域(福州段)近12年的生态环境质量进行评价和监测,并结合地理探测器对其变化原因进行分析。结果表明:(1)闽江流域(福州段)2010、2015和2021年的RSEI指数分别为0.62、0.70和0.68。(2)大部分地区的RSEI指数等级为良和优;生态变好的面积大于生态变坏的面积,生态环境整体向好发展。(3)干度和热度是生态环境质量时空变化的关键驱动因子。Ecological environment is very important to the sustainable development of social economy. In order to study the changes of ecological environment in the Minjiang River basin(Fuzhou section), based on the remote sensing images in 2010, 2015 and 2021, remote sensing based ecological index(RSEI) is constructed by principal component analysis to evaluate and monitor the ecological environment quality of the Minjiang River basin(Fuzhou section) in recent 12 years. And the reason of its change is analyzed with geographic detector. The results showed that:(1) RSEI index of the Minjiang River basin(Fuzhou section) in 2010, 2015 and 2021 is 0.62, 0.70 and 0.68, respectively.(2) RSEI index of most regions is good and excellent. The area of ecological improvement is greater than the area of ecological deterioration, and the overall ecological environment is developing in a good way.(3) Dryness and heat are the key driving factors of ecological environment quality.

关 键 词：遥感生态指数 生态环境质量 主成分分析 地理探测器 流域 

分 类 号：P237[天文地球—摄影测量与遥感]