Blar i forfatter "Yurkowski, D.J."

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    • Arctic seals as tracers of environmental and ecological change 

      De la Vega, C.; Mahaffey, C.; Tuerena, R.E.; Yurkowski, D.J.; Ferguson, S.H.; Stenson, G.B.; Nordøy, E.S.; Haug, Tore; Biuw, Martin; Smout, S.; Hopkins, J.; Tagliabue, A.; Jeffreys, R.M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-11-12)
      Knowledge of species trophic position (TP) is an essential component of ecosystem management. Determining TP from stable nitrogen isotopes (δ<sup>15</sup>N) in predators requires understanding how these tracers vary across environments and how they relate to predator isotope composition. We used two seal species as a model for determining TP across large spatial scales in the Arctic. δ<sup>15</sup>N ...