西南喀斯特地區(qū)植被覆蓋度時(shí)空變化特征及其驅(qū)動因子分析
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Analysis of Spatial and Temporal Change Characteristics in Vegetation Coverage and ItsDriving Factors inSouthwest Karst Region ZHANGYa-pig1，XIAZegu，S-betal（1.DpartmentofgroomicEgineeing，GuzouVocatioalClgeoflur， Qingzhen，uizou5514；2.Guzou Geologandining113GeologicalEngieeringo，Ld.upansuiGuizho5530；3.Go Forestry Reconnaissance and Design Co.，Ltd.，Guiyang，Guizhou ）
AbstractUsingVI，recipiationemperatureandusneata，espatiotemporaldistrbutionateofegetatiocoerageinte SouthwestKastfrotsldhoghlngesoedndtgintrdalduale rivativesadothetodsTecontribtiosofliaticfactorsandhumanatititohangesinvegetationcoveragewerequantid，and thedrivingfactorswereexplord.TeresultshowedtatvegeationcoverageinteSouthestKarstregionehibitedadistictspatialpate， withhigheroverageeouthdotiousasompadtoeodaingio.Fotegeatiooerge demonstratedafatiguardtrnditigoerageareasireasingfr196lot.48illosareiloeeepansionof188OsquareilometersTmperatureasientfdasthepriaydriverofvgetationcoveraggrowth，sowigasrogela tion of 65.67% ：
Key wordsVegetation cover；Spatial and temporal change characteristic ；Driving factor；Southwest Karst region
全球環(huán)境變化背景下，植被覆蓋度作為表征生態(tài)系統(tǒng)健康的核心指標(biāo)，其動態(tài)監(jiān)測與驅(qū)動機(jī)制解析已成為區(qū)域可持續(xù)發(fā)展研究的重要議題[1]。（剩余13996字）