不同生境下荒漠植物红砂-珍珠猪毛菜混生根系的垂直分布规律

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单立山^*,苏铭,张正中,王洋,王珊,李毅

Vertical distribution pattern of mixed root systems of desert plants Reaumuria soongarica and Salsola passerina under different environmental gradients

Li-Shan SHAN^*,Ming SU,Zheng-Zhong ZHANG,Yang WANG,Shan WANG,Yi LI

图1. 不同生境下单生和混生的红砂与珍珠猪毛菜根系比根长的垂直分布特征(平均值±标准误差)。A, 灵武红砂。B, 张掖红砂。C, 酒泉红砂。D, 灵武珍珠猪毛菜。E, 张掖珍珠猪毛菜。F, 酒泉珍珠猪毛菜。*表示同一生境下同层单生和混生红砂或珍珠猪毛菜的差异显著(p < 0.05)。

Fig. 1. The vertical distributions of specific root length (SRL) in monocultural and mixed communities of Reaumuria soongarica and Salsola passerina in different habitats (mean ± SE). A, R. soongarica in Lingwu. B, R. soongarica in Zhangye. C, R. soongarica in Jiuquan. D, S. passerina in Lingwu. E, S. passerina in Zhangye. F, S. passerina in Jiuquan. * indicates the significant difference between monocultural and mixed communities of R. soongarica and S. passerina within the same habitat (p < 0.05).