大熊貓國家公園阿壩片區(qū)生態(tài)系統(tǒng)質(zhì)量時(shí)空變化分析

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中圖分類號(hào)：P237 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：2095-2945(2025)18-0092-05

Abstract:ThestudyareaistheAbaareaoftheGiantPandaNationalPark．UsingGISasthetechnicalplatform,and takingvegetationcoverage,leafareaindex，andtotalprimaryproductivityastheevaluationindicators,amethodofselecting referencevalues byregionandecosystem typewasadopted toconstructtheecosystemqualityindex.Data from2O10and 2020 wereselectedtoanalyzetheecosystemqualityinthestudyareafrombothspatialandtemporaldimensions.Theresultsshow that:TheoverallecosystemqualityintheAbaareaoftheGiantPandaNationalParkshowsanimprovingtrend.Theaverage ecosystemqualityvaluesfor2010and2020 were 63.1and6.9,respectively，showinganincreaseof3.8.Theareawherethe ecosystem quality has improved accounts for 29.34% ofthe entire region,while the proportion that has deteriorated accounts for （2 9.3% ，and the proportion that remains largely unchanged accounts for 61.36% .Among them，the highest proportion of conversion was from good to excellent ecosystem levels,reaching 18.95 % .Notably，the changesin Wenchuan，Maoxian,and Songpan were more significant.

Keywords:GiantPandaNationalPark；ecological environmentquality；spatiotemporal changes;remotesensingecological parameter; trend of change; change direction

生態(tài)系統(tǒng)質(zhì)量是對(duì)區(qū)域生態(tài)系統(tǒng)健康狀況評(píng)估的一個(gè)重要指標(biāo)。（剩余9040字）