基于主成分分析法和地理探测器的城市生态环境质量评价及驱动力分析

——以香格里拉市为例

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关键词：生态环境质量；主成分分析法；地理探测器；驱动力；香格里拉市中图分类号：X826 文献标识码：A 文章编号：1008-9500（2025）07-0050-04DOI： 10.3969/j.issn.1008-9500.2025.07.014

Urban Ecological Environment Quality Assessment and Driving Force Analysis Based on Principal Component Analysis and Geographical Detector

-TakingShangri-La Cityasan Example

WEN Shiya

（The Third Institute of Surveying and Mapping of Guizhou Province，Guiyang55oooo， China）

Abstract：Shangri-LacityisoneoftheregionsinAsia withabundantfloraandfaunaresources，anditisalso the establishmentareaofChina'sfirstnationalforestprotectionpark.Theruggedterrainfragileroadetwork，largetemprature difference betweendayandnight，andunique tourism developmentinthisareahavehadacertain impactonthequality of theecologicalenvironment.Therefore，takingintoaccountnaturalfactorssuchasterrin，soil，andhydrologythis study incorporates human factors such as populationdensityand Gross Domestic Product （GDP）density into the research evaluation index system.Principal componentanalysis is used toevaluatetheecological environment qualityof ShangriLacityin2Oo5，2010，and2O15，andcombinedwithgeographicdetectorstoevealdrivingfactors.Theresultsshowthat the ecological environment quality of Shangri-La city is gradually improving，with about 50% of the areas having strong ecological environmentqualityand increasedecologicalcarryingcapacity.Theareaswith poorecologicalenvironment qualityare mainlyconcentratedinthesouthwestregion，andtheannualtotalprecipitationhasthegreatestimpactonits ecological environment quality.

Keywords：ecologicalenvironmentquality;principalcomponentanalysis;geographicaldetectordrivingforce;Shangri-Lacity

生态自然环境是人类赖以生存的基础。（剩余3744字）