
Letters
1Department of Biological Sciences, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada.
2Department of Geography, University of Northern British Columbia, Prince George, BC, V2N 4Z9, Canada.
- ↵* Corresponding author. Email: dhik{at}sfu.ca
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Science 29 Nov 2019:
Vol. 366, Issue 6469, pp. 1083
DOI: 10.1126/science.aaz7450
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