Impact of land use change on water quality in the Dianchi Lake watershed, Yunnan, China, 1988-2008-中国Betway体育网页登陆

摘要 LandusechangesoccurringinChinaduringthetimeperiodofrapideconomicdevelopmentarelinkedtothedegradationofwaterqualityinstreamsandlakes.ThispaperexaminestheselinkagesintheDianchiLakewatershedinYunnaninsouthwestChinabasedonatwenty-yeardatasetfrom1988to2008.Pearsoncorrelationanalysisandsimplelinearregressionanalysisareemployedtoexploretherelationshipsbetweenlandusechangeandwaterqualityoftwosub-basins,theCaohaiLakebasinandtheWaihaiLakebasin,withintheDianchiLakewatershed.LandusecategoriesmorestronglycorrelatetowaterqualityintheCaohaiLakebasinthanthatintheWaihaiLakebasin.Thedifferentstructureoflandusecategories,spatialdistributionoflandcover,andscalesofbufferzonescouldbethefactorsresultinginthedissimilaritiesbetweenthesetwolakes.TheresearchcanprovidevaluableinsightsforpolicymakersintolandusemanagementinordertocurbfurtherwaterdegradationinDianchiLake.

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Impact of land use change on water quality in the Dianchi Lake watershed, Yunnan, China, 1988-2008

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