1960—2021年民勤沙区10种典型荒漠植物种群变化特征

满多清, 唐进年, 杨雪梅, 李得禄, 郭树江, 陈芳, 丁峰

The change characteristics of 10 typical desert plant populations in Minqin desert area in 1960 to 2021

Duoqing Man, Jinnian Tang, Xuemei Yang, Delu Li, Shujiang Guo, Fang Chen, Feng Ding

图3 60 a来民勤地下水位下降过程及趋势

Fig.3 The ground water-table decline process and tendency in 60 a