基于代谢生态学的综合运输体系需求演化机制.pdfVIP

JournalofSoutheastUniversity (EnglishEdition) Vo1．25，No．2，PP．271—273 June 2009 ISSN l003—_7985 Evolution mechanism ofdemand forcomprehensivetransportation system basedonmetabolicecology QiuYuzhuo ChenSenfa ChenTap (SchoolofEconomicsandManagement，SoutheastUniversity，Nanjing210096，China) Abstract：The metabolic evolution model of transportation rate rae the size of the individual，temperature，chemical demna dforcomprehensivetrnasportationsystemsisputofrward componentorstoichiometry．Kozlowskieta1． discovered onthebasisofametabo lictheory ofecology．In themodel，the thatthebasicmetabolicdemandoftheindividualispropor- growthratesorchangingratesoftrnasportation volumesofrhte tionaltothepowerofthreequartersofthesizeofindividu— varioustranspo rtationmod esofacityaredeterminednotonlyby a1．W esteta1．I3】derivedthatthetheoreticalvaluesofthea1． theGDPpercapitawhichreflectsthesizeofthecity itself,but 1ometricgrowth rate between the sizeofthe individualM alsoby hterelationship ofcompetition nad cooperation among andsomecharacteristicparametersoftheorganisms，suchas transportation modes．The results of empirica1 naalysis for metabolicrate，growth rate，anddeathrate，raeintegertimes Chinesecitiesshow thatthe allometric growt h expo nentin the aquarter．Enquisteta1．141ragued thattheresourceutilizing equationofrthevariationrateofpassengerdemand volumeon rate．i．e．themetabolicrate．ofindividualplna tsisapproxi． railis greaterhtna the predicted value of 1／4 in metabo lic matelyproportionalto the power of three quartersof its ecology．whereas the allometric growth relationshiP is not so massM ．Theyprovedthattheenergymetaboliclaw follows evidentintheequationofrthevariationrateofpassengerdemnad from