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1、AbstractLandistheimportantmaterialresourceofhumanexistenceanddevelopment.Withtheincreaseofeconomicdevelopment,thedestructiononecologicalenvironmentoflandismoreandmoreserious,whichcontinuetoexpandanddeepen.Peopleandlandhavebecomeincreasinglyprominent.Asoneimportantaspectofecolog
2、icalsecurity,landresourcesareverysignificant.Atpresent,therearemanyresearchesaboutthesustainableuseoflandresourcesbetweendomesticandforeign,whichareconcentratedinthedrivingforcesandtrendchangeoflandusepatterns.Ecologicalsafetyresearchoflandresourcesisthefrontinthedevelopmentofa
3、newtopic.Inthecontext,ithasthehistoricalandrealisticsignificanceforecologicalsafetyresearchoflandresources.ThepaperchooseDongjiangyuanregionofJiangxiprovinceastheresearchobject,whichisinthetypicaleco-vulnerabilityregion.Throughthecollectionofhistoricalmaps,governmentstatistics,
4、theremotesensingimagedata,processandcomprehensiveanalysisthelandresourcesofsustainableuseandthechangeimpactsonecologicalsecurity.Themaincontentandconclusioninthisresearchareasfollows:(1)Dongjiangyuanregionlandusechangeanalysis.Thepaperanalyzethetemporalandspatialcharacteristics
5、fromseveralaspectssuchasthecomprehensiveindex,dynamicdegree,stateindexmodeloflandusetypes,andfurtherexploredthedynamicchangesoflanduseduringtheyear1986to2005inDongjiangyuanregion.TheresultsshowthattheLUCCwassteadilydevelopedinDongjiangyuan.Bycontrast,typesoflandusechangeinthe19
6、95-2005yearsmorethaninthe1986-1995years.Consideringthetransformoflandusesintheregion,forestlandconvertedtofarmlandwasthemostwidelydistributedtype.Inthefuture,farmlandarea、waterareaandbuilt-uplandareawillexpandgradually,whichhavepositivestateindex,andtheothershavenegativestatein
7、dexvalues,thustheywillslowlyshrink.(2)Dongjiangyuanregionlandresourcesevaluationofecologicalsafety.CalculatedDongjiangyuanregionin1986,1995,2005,thevalueofecologicalsecurityofthelanduseis57.42418,59.08604,59.08358.Thepaperanalyzethemajorfactorofecologicalsecurityisstabilityofec
8、ologicalenvironmentownfromseveralaspectssuchasthestruc
