Alpine grassland water use efficiency based on annual precipitation, growing season precipitation and growing season evapotranspiration
MI Zhao-Rong,CHEN Li-Tong,ZHANG Zhen-Hua,HE Jin-Sheng
Chin J Plan Ecolo . 2015, (7): 649 -660 .  DOI: 10.17521/cjpe.2015.0062