浑善达克沙地植物群落物种多样性及环境解释

齐丹卉, 杨洪晓, 卢琦, 褚建民, 袁祺, 甘红豪, 赵帅, 陈加伟, 徐晓庆

Biodiversity of plant communities and its environmental interpretation in the Otindag Sandy Land， China

Danhui Qi, Hongxiao Yang, Qi Lu, Jianmin Chu, Qi Yuan, Honghao Gan, Shuai Zhao, Jiawei Chen, Xiaoqing Xu

表6 浑善达克沙地环境因子对群落的解释与贡献率

Table 6 Explains and Contribution rate of community with environmental factors in the Otindag Sandy Land

环境因子 解释率/% 贡献率/% P值 生长季降水量 6.7 25.1 0.002 生长季温度 4.8 18.1 0.002 全氮 4.1 15.2 0.004 全钾 2.8 10.3 0.054 生长季风速 2.4 8.9 0.248 土壤有机碳 2.3 8.6 0.172 ≥0 ℃积温 1.8 6.6 0.782 全磷 2 7.4 0.572