Variations in net primary productivity and its relationships with warming climate in the permafrost zone of the Tibetan Plateau
Dehua MAO, Ling LUO, Zongming WANG, Chunhua ZHANG, Chunying REN
地理学报(英文版) . 2015, (8): 967 -977 .  DOI: 10.1007/s11442-015-1213-8