… Pleistocene. Our results reveal striking synchronicity in the population dynamics of Beringian
lions and brown bears, … as synchronous local extinctions in Eastern Beringia during Marine …

… DNA of three Pleistocene subfossil brown bears collected in … Eastern Beringia, including the
five Yakutian brown bears from … among the Western Beringia brown bear samples, our δ 13 …

… DNA of three Pleistocene subfossil brown bears collected in … ence among the Western
Beringia brown bear samples, our δ13C … Megafaunal extinctions and the disappearance of a …

… brown bear (Ursus arctos) is one of the survivors of the Late Pleistocene megafauna extinctions.
… dynamics [13], as more ancient signals may have been broken down by gene flow and …

… , there is ample evidence for bottom-up controls on megafauna population dynamics that
support the hypothesis that the demise of the steppe-tundra ecosystem was a climate driven-…

… of brown bear and lion populations on both sides of Beringia … brown bears, strongly
suggests a local extinction of brown … times, ancient population dynamics were dominated by a …

… westward through Beringia and … Late Pleistocene communities as complex and highly
dynamic, characterized by geographic range shifts, migrations, replacements and local extinctions, …

… causes of extinction and current extinction risk, evolutionary history (eg divergence), long-term …
and high inbreeding for ancient Pleistocene brown bears (π = 0.059; Ho = 0.081), polar …

… The Late Pleistocene was a period of dramatic changes to … from brown bears [15], cave
bears [16] and caribou [17] revealed local extinctions and replacements, highlighting the dynamic …

… impact on ecosystem dynamics in these isolated islands. … obtained from a Pleistocene
brown bear fossil from Honshu … and potential extinction of brown bear populations on Honshu …