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1.
AN OVERVIEW ON THE URBAN-RURAL INTERACTION IN THE PAST 50 YEARS IN CHINA   总被引:4,自引:0,他引:4  
1INTRODUCTIONBydefinitionurbanizationistheprocessofruralareaschangingintourbanareasinnatureforasoci-etyitisanaturallyhistoricalprocessofthetransitionfromatraditionalruraloragriculturalsocietytoamodernizedurbansocietyGAO1991.Inbriefitrepresentsa…  相似文献   

2.
1INTRODUCTIONThecoreofgeographicalstudiesthearealsystemofmanlandrelationshipWU1991isthestartingpointofstudyingregionalsustainabledevelopment.Fromthepointofsustainabledevelopmentthecoordi-nationofmanlandrelationshipisdevelopmentsustain-ability.…  相似文献   

3.
1INTRODUCTIONInecosystemfragileecoenvironmentisdefinedasthe“interface"betweentwoormoresystemsofmatterenergystructureorfunctionandthetransitionregionextendingfromthisinterfaceNIU1989.ThefragileecoenvironmentoftheSongnenPlainissitu-atedonsuch…  相似文献   

4.
1INTRODUCTIONGeothermalanomalyisaphenomenonthatunder-groundtemperatureandgeothermalgradientincreasesmuchmoreintheareathanitssurroundingsXIA1979.Thisisanormalglobalphysicalphenomenonintheactiveandthelatentvolcanicarea.Duringthewarningsignperiodofan…  相似文献   

5.
THE URBAN FUNCTION OF SUZHOU ON BASIS OF THE SHANGHAI-SUZHOU RELATIONSHIP   总被引:1,自引:0,他引:1  
1INTRODUCTIONWiththeaccelerationoftheeconomicglobaliza-tionthegradualshapingofthenewinternationaldivi-sionoflaborandthedevelopmentofthetransnationalcorporationstheworldurbansystemshavebegunanewroundofintegration.Ononehandthecitiesallovertheglobeare…  相似文献   

6.
I.INTRODUCTIONSince1980,NortheastAsiahasexperiencedarapidregionaleconomicunificationagainsteconomicglobalization.TheTumenRive...  相似文献   

7.
1INTRODUCTIONNoonecandoubtthatoneofthemostexcitingsoundsinnineteenthcenturyAmericawasthewhistleofalocomotive.ThroughoutthewholecenturyespeciallyinthesecondhalfrailroadsplayedadramaticroleintransformingtheAmericanwestfromabarrenlandintoapopulatedone…  相似文献   

8.
STUDY ON WETLAND LOSS AND ITS REASONS IN CHINA   总被引:2,自引:2,他引:0  
1INTRODUCTIONWetlandsaretheecosystemswithmanyfunctionsandhavebeenprovidinguswitharangeoffunctionsandbenefitssuchaswatersupplyflowregulationsendimentretentionmoderationofclimatepreventionofsalinewaterintrusionetc.Althoughwetlandoccupyonlyabout6%…  相似文献   

9.
1 INTRODUCTIONGuangdongProvincehasbeenwidelyknownasoneofthemostimportantindustrialbasesforexportinChina.IthasplayedanimportantroleineconomicreformanddevelopmentinChina.Inrecentyears,ithasattainedasustainableeconomicgrowthandkeptthefirstpositioninecon…  相似文献   

10.
1INTRODUCTIONWiththerapiddevelopmentandapplicationofnewtechniquessuchascomputercartographyhasenteredthe21stcentury′sdigitalperiodfromcomputerassistmappinginthe1970straditionalmaprepresentationhastransformedfrom2Dmonomediumstaticinto3Dmultim…  相似文献   

11.
1INTRODUCTIONForestlitterwhichisthephysicalmakeuppartofforestecosystempresentsmanyimportantactionsuponecosystem.Howeverifforestlitterisaccumulatedtoexcessitwillproducesomenonnegligiblenegativein-fluencewhichcouldbethecauseofaforestfireortheimpor…  相似文献   

12.
1INTRODUCTIONJianghanPlainisoneoftheimportantbasesofChina′sagriculturalproductivitylocatedinthemiddleChangjiangRivervalleyofcentralChina.TheJianghanplainapproximately6.6×104km2inareaandover30millioninpopulationistherenowned“countryoffishandrice"in…  相似文献   

13.
I.INTRODUCTIONCitiesarethesymbolsofhuman’scivilization,thespatialcariersofeconomyandthesourcesofregionaleconomicactivities(Gu...  相似文献   

14.
INTRODUCTIONIncreasingattentionwasfocusedontheneedtostudythebacteriologyofmarinefishinChina ,becauseofbacteriaassociationwithhighmortalityinmarinefishcultureandconsequenteconomiclosstofishfarms (Dengetal.,1 996;Linetal.,1 999) .Vibriogenusbacteriahaveemergedast…  相似文献   

15.
1 INTRODUCTIONNowadaysthedevelopmentofworldindustriesandeconomyischaracteristicofafewconspicuoustrendswhichmaychallengetraditionaleconomicdevelopmentmodelsandtheories.Firstofall,theeconomyoftheworldhasbeenbecominginglobalspace,ofwhichtheremarkablei…  相似文献   

16.
1 CHANGESOFINDUSTRIALSTRUCTURE1.1 ChangesofStructureofThreeEconomicSectorsSincethereformofeconomicsystemandopeningtotheoutsideworldinthelate1970s,theindustrialstructureofGuangdongProvincehasbeenexperiencinganobviousprocessofnonagriculturalizationw…  相似文献   

17.
1 INTRODUCTIONCityplaysanimportantroleintheprocessofre gionaleconomicdevelopment .Forinstance ,in 1996,thetotalmunicipalareasof 666citiesonlycoveredtheproportionof 18.12percentinnationalterritory ,andbuilt uparea 1.8percent .Buttheyproducedthe 68.63percentofGDP(GrossDo…  相似文献   

18.
ON DEVELOPING ENVIRONMENT AND RESOURCE DEVELOPMENT OF PANZHIHUA HuangJing(黄静)(RegionalEconomicInstitute,People’sUniversityofC...  相似文献   

19.
1 ADVANCINGOFTHEQUESTIONANDCONSTRUCTIONBACKGROUNDOFSUZHOUINDUSTRYGARDENPerroxgavespecialattentiontotheeffectofimportantitemsandconstructionofinfrastructurewhenhediscussedtheproductionofgrowthpole(Li,1988).Lotsofdomesticscholarshavealsoprobedintothi…  相似文献   

20.
INTRODUCTIONTheBohaiSeawaschosenasthesiteofthefirstphaseoftheChina GLOBEC (GlobalOceanEcosystemDynamics)programfrom 1 997to2 0 0 0 ,inwhichthedynamicsofzooplanktonpopulationswasoneofthefourprincipalfoci.Smallcopepodscompriseanimportantcomponentofzooplanktonesp…  相似文献   

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