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This review of the evidence for early agriculture in New Guinea supported by new data from Kuk Swamp demonstrates that cultivation had begun there by at least 6950-6440 cal BP and probably much earlier. Contrary to previous ideas, the first farming in New Guinea was not owed to South-East Asia, but emerged independently in the Highlands. Indeed plants such as the banana were probably first domesticated in New Guinea and later diffused into the Asian continent.Recentmulti-disciplinaryinvestigation shavefilledoutprevious,largelyspeculativechronologiesofprehistoricplaneexploitation(Harri s1995)andconfirmpreviousinterpretationsthatagriculturearoseindependentlyinNewGuinea(Table3).NewmultidisciplinaryinvestigationsatKukhaveadvancedpreviousinterpretationsofprehistoricplantexploitationintheHighlandsofNewGuineaintwosignificantways.First,multi-disciplinarylinesofevidence(includingarchaeological,archaeobotanical,palaeoecologicalandstratigraphic)showthatagriculturewaspracticedintheUpperWahgiValleybyatleast6950-6440calBPandprobablymuchearlier.TheevidenceforearlierplantexploitationpracticesatKuki sinsufficientrobedefinitiveofagriculture,aspreviouslyclaimed(Golson1977a:613-5,1991a;Golson&Hughes1980;Hope&GoLson1995:824).ThetimingoftheemergenceofagricultureintheHighlandso fNewGuinearequiresclarificationthroughgreaterinterpretativeresolutionofthePhase1recordatKukandtheexcavationofadditionalsiteswithevidenceofearlyHoloceneplantexploitation.Second,agriculturemayhaveemergedintheHighlandsofNewGuineaasopposedtothelowlands.GolsonsuggestedthatagricultureoriginatedinrhelowlandsandspreadwiihexpandingpopulationsintotheHighlandsasclimatesamelioratedatthebeginningoftheHolocene(Golson1991b:88-9;Hope&Golson1995:827-8).Iti sarguedherethatagricultureemergedfrombroad-spectrumplantexploitationpracticesintheHighlandswhichhadenabledpermanentoccupationoftheinteriorduringtheLarePleistocene.Glimatic(LatePleistocene)andenvironmental(earlytomid-Holocene)forcingofexistingplantexploitationpracticesledrorhedeveiopmentofmoreinterventionistandextensivestrategiesintheHighlands.Althoughthespecificmechanismsremainuncertain,anincreasingfocus85277 mDenham.SimonHaberle&CarolLentferonmajorsourcesofstarch,includingColocasiarareandEumusabananas,werecentraltotheemergenceofagricultureintheHighlands.Aswirhanearlierdebateconcerningarboriculture(compareKirch1989toSwadlingf frt/.1991andYe n1996),agricultureinNewGuineawastraditionallyviewedasbeingofSoutheastAsianorigin(e.g.Sauer1952).Thearchaeological,archaeobotanicalandpalaeoecologicalfmdingsatKukcorroboratephytogeographicandgeneticinterpretationsofindependen tplantdomesticationinMelanesiaanddemonstratethatagricultureemergedinNewGuineaindependentlyofanySouth-eastAsianinfluencebyatleast6950-6440calBP.Indeed,theearlyHoloceneEumusasectionbananasatKuksolidifypreviousinterpretationsfortheearlydiffusionofdomesticatedplantsfromNewGuineaandtheirsubsequentinfluenceonthedevelopmentofagricultureinSoutheastAsia (DeLanghe & deMaret1999:378-82) danAfrica(Mbidaetal.2000,2001).SuchfmdingsopenupnewpossibilitiesforinteractionbetweenmainlandSoutheastAsiaandNewGuineaduringtheearlyandmid-Holosen (yaituandrequireustorethink priorroAuscronesiandispersalintoIndo-MalaysiaandMelanesia)theoriginsandspreadofagricultureinthePacific, SoutheastAsiaandbeyond.
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