Bird Diversity and Annual Change During Reproductive Period in Yumen, Gansu Province
LUO Shuang, MA Ming, LI Wen-jia, XIAN Li-li, GAO Li-fang, SONG Sen
Journal of Ecology and Rural Environment . 2020, (5): 592 -598 .  DOI: 10.19741/j.issn.1673-4831.2019.0878