TPO-45MicroscopesTheBeringiaLandscapeDuringthepeakofthelasticeage,northeastAsia(Siberia)’,000and10,000yearsago,Siberia,theBeringLandBndge,,posedofbroadgrasslandsaswellaswind-sweptdunesandtundra,monclimatewithcold,-,slowlyexpandingtheirhuntingterritories,,,butitiscriticaltounderstandinghumanhistory:whatwasBeringialike?TheBeringianlandscapewasverydifferentfromwhatitistoday.■Broad,windsweptvalleys;glaciatedmountains;sparsevegetation;andlessmoisturecreatedaratherforbiddinglandmass.■Thislandmasssupportedherdsofnow-extinctspeciesofmammoth,bison,andhorseandsomewhatmodernversionsofcaribou,muskox,elk,andsaigaantelope.■Thesegrazerssupportedinturnanumberofimpressivecarnivores,includingthegiantshort-facedbear,thesaber-toothcat,andalargespeciesoflion.■ThepresenceofmammalspeciesthatrequiregrasslandvegetationhasledArcticbiologistDaleGuthrietoarguethatwhilecoldanddry,theremusthavebeenbroadareasofdensevegetationtosupportherdsofmammoth,horse,,nearlyalloftheice-agefaunahadteeththatindicateanadaptationtograssesandsedges;,,whichdonothavetheabilitytosear
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