About the Authors

Haiying Cui

Affiliation Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin Province, P. R. China, 130024

Yunbo Wang

Affiliation Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin Province, P. R. China, 130024

Qi Jiang

Affiliation Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin Province, P. R. China, 130024

Shiping Chen

Affiliation State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, P. R. China, 100093

Jian-Ying Ma

Affiliation Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, P. R. China, 830011

Wei Sun

sunwei@nenu.edu.cn

Affiliation Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin Province, P. R. China, 130024

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WS HC SC. Performed the experiments: HC YW J-YM QJ. Analyzed the data: HC WS. Contributed reagents/materials/analysis tools: J-YM SC. Wrote the paper: HC WS. Proofread before submission: WS J-YM SC.