1. Department
of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
2. Institute
of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
3. Department
of Biology, Acadia University, Wolfville, Nova Scotia B4P 2R6, Canada
4. Paleoecological
Environmental Assessment and Research Lab (PEARL), Department of Biology, Queen’s University, Kingston, Ontario K7L 3N6, Canada
5. Key
Laboratory of Environment and Resources on Tibetan Plateau, Qinghai Normal University, Xining 810008, China