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1、土地整理农用地生态价值评价及变化研究ThelandConsolidationwhichmustrelyonanumberofbiologicalmeasures,engineeringmeasuressortsoutwater,fields,roads,woods.Theprojectwouldinevitablyhaveadirectorindirect,beneficialorharmfuleffectstothefoodproductionandthesurroundingenvironmentwaterreservoir,soilf
2、ormationandprotect,preventinverseanddisasterpreventionandotherecologicalfunctions,thusaffectingitsecologicalvalue.(2)TheEvaluationmodelofecologicalvalueofagriculturallandconsolidation:Thispapercreatedtwoecologicalvalueofagriculturallandevaluationmodel,acomprehensiveevaluat
3、ionmodelofmultiplefactors,whichestablishedtheecologicalvalueofagriculturallandevaluationindexsystem,determinedweightsbytheDelphimethodandAHP,spatialanalysisbymeansofGISsoftware,andgotfarmlandecologicalvalueratingbeforeandafterlandconsolidation;Anotherwaywasthemodelofenergy
4、theorymethod,whichcalculatedquantitativetofactorsofecologicalfunctionsbyenergytheory,obtainedthechangesoftheecologicalvalueofagriculturallandthefarmlandbeforeandafterlandconsolidation.(3)ThecomparingofecologicalvalueofagriculturallandbeforeandafterlandconsolidationofLaiwu:
5、Multi-factorcomprehensiveevaluationresultedshowthatthetotalecologicalvalueofagriculturallandbeforelandconsolidationis3614090.06,andthetotalecologicalvalueofagriculturallandafterlandconsolidationis5026893.55,thetotalecologicalvaluescoreofagriculturallandafterthelandconsolid
6、ationincreased1412803.49thanbeforethelandconsolidation,andthetotalscoreimproves39%thanbeforethelandconsolidation.Judgingfromthefinishingareabeforeandafter,theareaofagriculturalland2beforethelandconsolidationis692.03hm,andtheareaofagriculturallandaftertheland2consolidationi
7、s733.87hm,sothetotalareaofagriculturallandafterthelandconsolidation2increased41.84hmthanbeforethelandconsolidation,themainreasonofwhichwastocleanupreclamationbadlandsintofarmland.Theareaoffirstranklandbeforetheland2consolidationwas21.76hm,whichaccountedfor3.15%oftotalarea,
8、aftertheland2consolidationthetotalareawas616.97hm,whichaccountedfor84.07%oftotalarea;The2
