Nitrogen Isotope Evidence for a Shift in Eastern Beringian Nitrogen Cycle after the Terminal Pleistocene

Farnoush Tahmasebi, University of Western Ontario, London, ON, Canada, Fred J Longstaffe, University of Western Ontario, Dept of Earth Sciences, London, ON, Canada and Grant Zazula, Government of Yukon, Department of Tourism and Culture (Palaeontology Program), Whitehorse, YT, Canada
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