Variation in leaf functional traits of different-aged Haloxylon ammodendron communities, and the relationship with soil factors

• WANG Fei, 
• GUO Shujiang, 
• FAN Baoli, 
• ZHANG Weixing, 
• WANG Fanglin, 
• HAN Fugui, 
• ZHANG Yunian, 
• SUN Tao