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简介：Urbanindustrialwastelandmighthavebeenaffectedbytoxicandhazardoussubstancesemittedbytheoriginalproductionactivities.Consequently,pollutionsurveyanalysisandenvironmentalriskassessmentshouldhavebeenconductedbeforeredevelopment.Inthepaper,bysurveyingsoilsamplefromwastedump,tailingpondandsurroundingareainLead-ZincMine,fuzzymathematicsmethodwasadoptedtoestablishFuzzyComprehensiveEvaluationmodelastoanalyzeconditionsofsoilpollutionbyheavymetalandsoilnutrient.ItwouldprovideimportantscientificbasisforpollutioncontrolandecologicalrestorationintheminingareaandthuscarryoutcomprehensiveecologicalrestorationinLead-ZincMine.FuzzyComprehensiveEvaluationresultsindicatedthatsoilpollutionbyheavymetalweresevere.Itcouldgiveprioritytodevelopforestry.MostdeficientsoilnutrientelementswereavailablePandN.Duetothelackofnitrogenandphosphorus,itwasnecessarytoimprovethesoilbeforephytoremediation.

简介：Temporalmapisanisochronalmaptakingtimeasameasuringunit.Ittracesouttheisochronesaccordingtothediscrepancyofthetimedistancebetweenthedifferentsitesfromtheoutsideofthecityandthedowntown.Itcanbeclearandintuitionaltoshowthedifferenttemporalrelationshipsbetweentheoutsideofthecityandthecitycentrewiththetemporalmap.Theproblemoftrafficcongestion,withitspotentialforurbanchaos,hasincreaseddramaticallywithagrowingnumberofvehiclesandthecontinuingaerialexpansionofGuangzhou.Bothtransitrid-ersanddriversfinditisagreatdifficultytotrytoacquirethenecessaryinformationfromurbanspatialmovements.Valuabletimeislostduetotheabsenceofgoodtransportationinformation.So,thepaperanalyzesacaseinGuang-zhoucommunicationwithGeographicInformationSystem(GIS),andusesthemostpopularvehicles,includingbusesandtaxisthatareusedtomeasurethetemporaldistanceinthecity,andthenproposesthedesignofanewmapthatbetterre?ectsthestatusofurbancommunication,andattemptstochangetherelationshipbetweenonepointandanotherpointoftravel,reducingtheamountoftimeallocatedtosuch,oftencomplex,movements.ThispaperalsopointsouttheobstaclesassociatedwithGuangzhou'sexistingtrafficcongestion,andputsforwardastrategyaimedatbetterdefiningtheneedoflinkingthetemporalmaptospatialmapofGuangzhou.

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简介：Biodiversityisanimportantconceptinecology,agricultureandalsoeconomics.Thispaperexaminesthebiodiversityproblemintea-productionofFujianProvince,China,andtriestoimprovethebiodiversityinFujianteaindustrybyillustratingtheproblemandarousingthepublicconcernaboutit,whichisthemaincontributionandthepurposeoftheresearch.AccordingtothegeographicalandagriculturalconditionsinFujian,thispaperdescribestheproblemindetailatfirst.Inthenextsectionitanalyzessomefactorswhichcontributetotheproblem,mainlyincludingnaturalandhistoricalreasons,economicreasons,institutionalreasonsandtechnologicalreasons.ThenthispapertriestoproposesomesuggestionstosolveoralleviatethebiodiversityprobleminFujiantea-productionfromthepointofgovernment,academicfieldandtheproducers,asitneedsthejointeffortsofallthoseparticipants.EconometricanalyseswillbemadewhennecessarywithSPSS11.0.

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简介：Cityisacouplingsystemofeconomy,societyandenvironment.Theurbanenvironmentisasupportingsystemtothesustainabledevelopmentofcity.TakingtheurbanareaofChongqingasanexample,thispaperestablishestheindicatorsystemforassessmentofthecoordinationbetweenurbanenvironmentandeconomyaccordingtotheresultfromprincipalcomponentanalysesbysoftwareSPSS11.0.Meanwhile,theweightwasassignedforeachindicatorbasedontheloadofthefirstproperprincipalcomponents.Throughcomputationofthecoordinateddevelopmentmodelsetupaccordingtotheknowledgeofstatistics,thepaperdrawstheconclusionthatthesituationofthecoordinationbetweenenvironmentandeconomyinChongqingdevelopedwellfrom1996to2004.Finally,countermeasuresforthecoordina-tioninthecomingyearsareproposed.

简介：Thisstudyexaminestheurbanpopulationoftourismpractitioners'perceptionsofeconomic,environmental,andsocialimpactsoncultural,convention,andsporttourismmayhaveinHaikouandSanya,Hainan,China.ThestudyusesamodifiedUrbanTourismImpact(UTI)toexamineeconomic,environmental,andsocialperceivedimpacts.Analysisofthedataincludestestingthreemodelsofstructuralrelationshipsbetweentourismimpactsandsupportfordevelopmentineachofthetourismmarketsub-divisionsthroughaconfirmatoryfactoranalysis.Theresultsofthisstudyshowthatthepositiveeconomicimpactsconsistentlyexertinfluenceonpredictingsupportfortourismdevelopmentinallthreemodels.However,thesocialimpactsplayagreaterexplanatoryrolewithallthreemarketsegment,thenegativeenvironmentalimpactsplayaroleindeterminingsupportforsporttourismonly.Differenceshavebeenfoundwiththosewithahighereducationlevelinpredictingsupportforculturaltourism,butnotconventionorsporttourism.

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简介：Intheeraoftherapiddevelopmentofinformationtechnology,itisofgreatsignificancetostudythecombinationofintelligenttourismindustryandinformationindustryandevaluatetheintelligenttourisminformationservicecapabilities(ITISC).ThepurposeofthisstudyistoexploreamethodologicalapproachofassessingITISC,andofferinsightsintothetheoreticalinvestigationandpracticaldevelopmentofITISC.First,factoranalysisisusedtodeterminetheobjectofintelligenttourisminformationserviceandthekeyevaluationitemsofITISC.Next,analytichierarchyprocess(AHP)isappliedtotheITISCevaluationofHanzhongCity,apopulartouristattractioninChina,asanexampletoverifytheauthenticityandoperabilityoftheindexsystem.Then,importance-performanceanalysisisconductedtodiagnosethestrengthsandweaknessesofHanzhongCity’sITISCconstructionandsomecorrespondingmeasuresareputforward.Thefindingssuggestthatonlythroughtheimprovementoftourismpublicdatabase,theestablishmentofbigdataanalysissystemandtheapplicationofvariousformsofmobileintelligentterminalcanachievethegeneralizationoftourisminformation,seamless,instant,preciseandinteractive,whichwillbethedevelopmentgoalofintelligenttourisminformationservice.

简介：VegetableproductionplaysaveryimportantrolenotonlyasasourceofforeignexchangeforSenegalandanappreciationofthedietaryneedsofpopulations,butalsointhecontextofthepolicyofdiversification.Thustheaimofthisanalysisistomeasuretheimportanteconomicimpactandvegetableindustrialactors,findthelimitedfactorsofthehorticulturedevelopmentandtheperspectivesforimprovingthevegetableproductioninthearea.OurresultsshowthattheNationalproductionoffruitsandvegetablesisestimatedapproximatelyat370,000tonsandtheNiayeszoneconstitutes80%ofthedomesticproduction.Horticultureisasectorwhichcreatesemploymentsinthatareawithimportantincomesearnedbybothproducersandthevariousintermediaries(commercialprocess).Thevolumeofexportshasreached14,321.588tonsin(2002-2003)against11,125.132tonsin(2001-2002)witnessingthananincreaseof28.7%,buttheoneofimportsisveryimportantandrepresentsanoutflowofforeigncurrencyestimatedatabout3billionperyear.

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