About the Authors

Samuel Haché

hach@ualberta.ca

Affiliation Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada

Keith A. Hobson

Affiliation Environment Canada, Saskatoon, SK, Canada

Erin M. Bayne

Affiliation Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada

Steven L. Van Wilgenburg

Affiliation Environment Canada, Saskatoon, SK, Canada

Marc-André Villard

Affiliation Département de biologie, Université de Moncton, Moncton, NB, Canada

Competing Interests

This study was supported by J.D. Irving Ltd. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SH EMB MAV KAH. Analyzed the data: SH SLVW. Wrote the paper: SH KAH MAV EMB SLVW. Stable isotope analyses: KAH.