Fig. 2From: Population dynamics and habitat use of the Black-necked Crane (Grus nigricollis) in the Yarlung Tsangpo River basin, Tibet, ChinaPopulation size of Black-necked Cranes wintering in the Yarlung Tsangpo River basin in Tibet from December 2017 to January 2018 (a: early wintering period, b: middle wintering period; the location names in this figure are the same as those in Fig. 1.)Back to article page