Temporal and spatial variation of NPP and its response to climatic factors in main river valleys on the southern slope of Qilian MountainsRong-rong Yang, Guang-chao Cao, Sheng-kui Cao, Yao Lan, Zhuo Zhang, Zhi-rong Chen and Zhen ChenE3S Web Conf., 131 (2019) 01044DOI: https://doi.org/10.1051/e3sconf/201913101044