Comparison of leaf area index inversion for grassland vegetation through remotely sensed spectra by unmanned aerial vehicle and field-based spectroradiometer
Zongyao Sha, Yuwei Wang, Yongfei Bai, Yujin Zhao, Hua Jin, Ya Na and Xiaoliang Meng
J Plant Ecol . 2019, (3): 395 -408 .  DOI: 10.1093/jpe/rty036