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1、UniversityCode:10225RegisterCode:S13713DissertationfortheDegreeofMasterHighwayConstructionCrossingWetlandCandidate:Supervisor:AssociateSupervisor:AcademicDegreeAppliedfor:Speciality:DateofOralExamination:University:ZhaoP
2、oLinYongboMasterEnvironmentalScienceJune,2013NortheastForestryUniversityAbstractAbstractInrecentyears,withtherapideconomicgrowthforthetransportationpressureisconstantlyincreasingHighwayrailwayconstructionspeedisfasterItc
3、omestonaturereserve,highwayconstructioninevitablyclashedwithnaturereserveDuetotherestrictionofroadlinelineselectionandconstructioncosts,hasbeenmoreandmorehighwayconstructionthroughthenaturereserve,thereserveacertainimpac
4、tonecologicalenvironmentWetlandisthemostabundantspeciesdiversityecologicalsystemofnature,isthemostmainhabitatofanimalsBuildsanjiangtoinevitableHuLinhighwaycrossingRaoLiHewetlandreserveThisarticlethroughonthe—spotinvestig
5、ationanddatacollectiondoneonRaoLiHeecologicalinvestigationofnationalnaturereserve,builtforsanjiangtoHuLinhighwaycrossingRaoLiHeinstancenationalnaturereserve,ecologicalenvironmentimpactassessmentstudiesAfterinvestigationi
6、ntheevaluationofzoneatotalof424species,159kindsofanimals,includingtwoprotectedplants,47speciesofprotectedanimals,coversanareaofroadisnotwithinthescopeofprotectionofplantdistributiondoesnotaffecttheprotectionofplantHighwa
7、yconstructionCanbedividedintoplanninganddesignstage,constructionperiodandoperationperiodofthreestagesPlanningdesignphaseismainlyrouteselectionandthechoiceofthewaysofroadconstruction,avoidroutingthroughnaturereserveisinev
8、itablewhenshouldreducethedistance,toavoidecologysensitivearea,fivealternativesconsideringvariousfactorssuchaseconomytechnologysocietyandenvironmentwitllAlineconnectingeconomicpoint,throughthewetlands,constructiondifficul
9、tyandtheengineeringcostunderthefactorssuchasthemostreasonable;Throughtheanalysisofroadconstructionwayfullyconsiderthelinesinthegeological,hydrologicalconditionsinroadbed,Bridgesthroughthewetlands,themostreasonableRaoLiHe
10、wetlandreservestatusquoandtheimpactofroadconstructionontheecologicalenvironmentcharacteristic,theanalysisofconstructionperiodandoperationperiodtothewetlandecologicalenvironmentinfluence,putforwardthecorrespondingmeasures
11、teducetheimpactonwetlandecologicalenvironmentHighwayconstructiononecologicalenvironmentofthemaininfluencedisplaysin:theimpactonthefloraandfaunatheimpactonwaterenvironment,theimpactontheecosystem,soilandwaterloss,impact,n
12、aturalsceneryaswellasroadpollutionimpactMajorslowdownmeasuresincludingscientific,reasonableroaddesign,optimizationofconstructionorganizationplan,theuseofadvancedconstructiontechnologyandconstructionmachineryreasonablearr
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