HUANG Wan-hua1,2, SUI Yue2,3, YANG Xiao-guang2, DAI Shu-wei2,4, LI Mao-song5. Characteristics and adaptation of seasonal drought in southern China under the background of climate change. Ⅲ. Spatiotemporal characteristics of seasonal drought in southern China based on the percentage of precipitation anomalies.[J]. Chinese Journal of Applied Ecology.