Acknowledgements
Data for this study were collected by the former SYSU-Alberta Joint Lab
for Biodiversity Conservation. This work was supported by the National
Natural Science Foundation of China (Grant NO. 31901107) and Natural
Science Foundation of Guangdong Province (Grant NO.
2018A030310384).
DY gratefully acknowledges financial support from China Scholarship
Council and Mitacs Globalink Early Career Fellowship-China. MWC and FH
were both supported by the
Natural
Sciences and Engineering Research Council of Canada.
Author contributions: DY, MWC and FH designed the study. DY led
the analyses. DY, MWC and FH wrote the manuscript with contribution from
all authors.
Conflict of Interest: The authors declare no conflict of
interest.