伊河流域景观格局对土壤侵蚀的影响

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关键词：景观格局；土壤侵蚀；中国土壤流失方程；参数最优地理探测器；伊河流域中图分类号：S157.1 文献标志码：Adoi：10.3969/j.issn.1000-1379.2025.09.019引用格式：，，，等.伊河流域景观格局对土壤侵蚀的影响[J].人民黄河，2025，47（9）：138-144.

Effects of Landscape Pattern on Soil Erosion in Yihe River Basin

JI Keke1²，LI Yuemei1²，GU Zhijia1.²，FENG Detai³，CAO Shaomin¹，HUANG Shuping'

（1.SchoolofGeograpicScienes，XinyangNoralUniversityXinyang464，China；.NorthSouthTransitionalZoeypicalVegetationPhenologyObservationandResearch Stationof HenanProvince，Xinyang ormal University，Xinyang 464o，China; 3.Institute of International Rivers and Eco-Security，Yunnan University，Kunming 65O5Oo， China）

Abstract：ThisstudyiedtoexplortheinfluenceoflandscapepaterstotesoilerosionintheYieRiverBasinandprovideeferencs forforulatingnew-erasoilandwaterconservationplans.UsingtedatafromOl8toO22includingDEM，precipitation，soildibility， NDVI and land use，we calculated the multiple landscape indices at a 10m×10 m grid scale. The soil erosion modulus was determined throughtheCSLE.Theproportionofsoilerosionareaineachsub-basinwassetastedependentvariable，ithlandscapeidicesadsoci economicfactorsasindependentvarables.etialarameter-basedgeogapicaldtectoraseploydtoquantifyteexplaatorypower of ndividalvrablesndeirinteractiosFnallalydowladsapeatesifuecesolsiondamicsThulsidi catethata）altoughothteareaandintensityofoilerosioninteYeRiverBasiebitadcreasingtrend，tereeminsaiskof slightandmilderosionecalatingtoigerseveritevels.b）TefragmentatiooflndsapepatchsinteYeRverBasnasitefd， evidencedbycreasdpchmbersandensityossiatedlandforetndrassandonstrutionlanddateries fragmentationprocshaseeacompanedbducedcoectivityaongteselandusetyes.otablyhilelandscapepathsincultivatedland，gasndandcostructionlandxbitedoderlandreglarconfigratios，toseinforestandandwaterbodiesdsplaore irregularadcplexoologs.）ansapefragmetatiosigifantlyiuecstesatil-mpalterogeiyflosio theYiRiverBasin.Tiselatioshipisevdencedbyestrongexplanatorycapacityofkeylandsapemetrics，ncludingpatchdgedei， dispersionindexandpeteaeafractaldmesioiniterpretingthsedsatiapoalratiosisoilosiopatd）o cio-economicfctossntlyotettioalogeiyflsitogcodtioufc disturbancesalterlandsapeconfigurations，onseuentlyriingspatal-temporalerosiondynaics.ismechanismissubstantiatedbyte enhanced explanatory power generated through interactions betweensocio-economic drivers and landscape patern metrics.

KeyWords：landscape pattern；soil erosion；CSLE；optimal parameter geographical detector；Yihe River Basin

土壤侵蚀严重威胁陆地生态系统安全，是我国头号环境问题[1-2]。（剩余8934字）