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

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

表1 研究区水热条件比较

Table 1 Comparison of hydrothermal conditions in the study areas

采样点 Sample site 平均海拔 Mean elevation (m) 年平均气温 Mean annual temperature (°C) 年降水量 Mean annual precipitation (mm) 年蒸发量 Mean annual evaporation (mm) 年日照时间 Mean annual sunshine times (h) 灵武 Lingwu 1 278 8.9 213 1 762 3 011 张掖 Zhangye 1 590 6.0 110 2 003 3 075 酒泉 Jiuquan 1 500 7.5 58 2 038 3 228