%0 Journal Article %T Nitrogen isotopes suggest a change in nitrogen dynamics between the Late Pleistocene and modern time in Yukon, Canada %A Farnoush Tahmasebi %A Fred J. Longstaffe %A Grant Zazula %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0192713 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5813965/