Warm and Stable Climate Led to the Development of Agriculture

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spanitempropauthoritemscopeitemtypehttpschemaorgGroupspanpstrongThearrivalofagriculturalapplyswasamilestoneFormodernpeopleandmarkedThestartofasedentarywayoflifeandTheeventofcivilizationsHowevertheenvironmentalelementsthatguidedthisrevolutionarychangeInsidetheLifetimeofpeoplearenonethelessbeneathdebatestrongppspanitemproppictureitemscopeitemtypehttpsschemaorgImageObjectspanitempropthumbnailitemscopeitemtypehttpsschemaorgImageObjectspanspanpspanThecalmlakehasanabioticandundisturbedlakebacksidethatfavoredTheconstructupofyearlylayeredsedimentsfortensofhundredsofyearsImageCreditratingProfessorTakeshiNakagawafromRitsumeikanCollegespanfigcaptiondecidepApairofofthebroadlyacceptedtheoriesrelatingtotheoriginofagricultureisthatamealsbriefagedisastercaUtilizedbyaclimaticcoolingeventthatoccurredbetweenca10900BCandca9700BCwhichledpeopletoundertakeagricultureasAmethodToenhancemealsmanufacturingppThistypicalconceptIsntutterlyacceptedTherationaleismanyradiocarbonagesofplantstaysthatsupportedthehypothesishavebeenre-assessedrecentlyandupSofaroutcomesleveloutdthattheintervaloflocalclimatecoolingmatchedwithadecreaseanddiscontinuationofsedentarylifeprettythanitsstartppUsingthearchaeologicalremarkthatagricultureappearedtohaveoriginatedautonomouslyinnumerousareaswithinafewmillenniafollowingTheprimeofthefinaliceageAsaOutcomeoftheideasomescientistspresumethattheenhancedtempperiodtureofthesubmit-glacialageledtoagriculturalapplysbypeopleHoweverthisconceptfailsToClarifywhypeopleDidnotstartagriculturealotearlierintropicalareaswhichhadbesttempperiodturesevenBywayofthecoldesthalfofthefinaliceageppIndepthlocalclimatereconstructionfromca16000BCtoca8000BCCountingontheevaluationofpollenfossilsfoundInsidetheyearlylayeredsedimentsfromLakeSuigetsuJapanprovidedgreaterinsightsintothisdebateppAtimecollectionreconstructionofthelocalclimatechangethroughThisperiodandtheworldsmostexactchronologyofthesedimentsshapedbycountingannuallayersandradiocarboncourtingoflotsofofleaffossilshavebeenUtilizedbyaevaluationgroupheadedbyTakeshiNakagawaoftheRitsumeikanCollegeJapanppThegroupconfirmedthatthepreliminarymakesantrytodomesticatecropsandconstructsettlementsbasedmostlyonagriculturecoincidedwiththecourseofAcomparativelywarmthandsafelocalclimateppCurrentknowledgeobtainedfromtheevaluationersleveloutthatthetransitionfromtheiceagetothesubmit-glacialagewascharacterisedbyshiftsbetweensafeandunsafeintervalsTheagriculturalapplysDidnotstartBywayofThegoodAndcozylocalclimatecircumstancesinca13000BCHoweverpeopleNeededToattendtillthelocalclimateceaseditsbrief-timeperiodvariationsAndhugeamplitudesinca12000BCppAgricultureisaapplyofsustenancethatcallsforplanningHoweverforpriorplanningasafefutureIsimportantAllthroughanunsafelocalclimateagriculturewasterriblydangerousSincetheexactpredictionofclimatewasimpracticableThisposedaprobleminchoosingrelevantcropsforagricultureppUndersuchcircumstancessearchingandgatheringhavebeenthought-abouttobeaextraaffordablesustenancemethodAsincontrastwithagricultureSincethepureecosystemconsistsofAllSortsofspeciesfromwhichpeoplemightdiscoveronefactoredibleRatherthanthefarmlandsppThesenewremarksbyNakagawaandhiscollaboratorscontradictTheconventionalassumptionsthatTakeAlookatagricultureasarevolutionarystepinthedirectionofthehistoricpreviousofhumanityRathersearchingandgatheringandagriculturehavebeenthought-aboutasequallyaffordableadaptionstrategiesbasedmostlyonThesteadinessofthelocalclimateppClimatestabilityhasnotbeendebatedactivelybypaleoclimatologistshalfiallybecauseyearlyresolvedpurearchivesoflocalclimatechangeareunusualAndinadditionbecauseassessingsucharchivesatanadequatelyextremetimedecisionrequiresundoubtedlydevotedeffortppTheparticularsedimentsobtainedfromasmalllakeinJapanCollectivelywithThetwo-decade-prolongedworkoftheevaluationgroupTounderstandknowledgefromthesedimentsfinallyledtonewdiscoveringswiththepotentialTovarytheself-pictureOfrecentpeopleph2strongJournalReferencestrongh2pNakagawaTetal2021Thespatio-temporalconstructionoftheLateglacialtoearlyHolocenetransitionreconstructedfromthepollendocofLakeSuigetsuanditsexactcorrelationwithcompletelydifferentkeyworldwidearchivesImplicationsforpalaeoclimatologyandarchaeologyGlobalandPlanetaryChangedoiorg101016jgloplacha2021103493ppSupplyhttpenritsumeiacjpp

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