鄂尔多斯高原砒砂岩地区草本物种组成及多样性
韩高玲, 霍建强, 赵燕翘, 虎瑞, 张志山, 黄日辉, 薛书文

Analysis of herbaceous species composition and diversity in the Ordos Arsenic Sandstone Areas
Gaoling Han, Jianqiang Huo, Yanqiao Zhao, Rui Hu, Zhishan Zhang, Rihui Huang, Shuwen Xue
图4 不同类型砒砂岩区物种组成及多样性PCA得分图和载荷图
EVP:年潜在蒸发量(mm); PRE:降水量(mm);RHU:相对湿度(%);TEM:气温(℃);Trad:坡度(°);ASL:海拔(m);THK:土层厚度(cm); SWC:1.5 m深土壤含水量(%);AI:干燥度指数
Fig.4 PCA score map and load map of species composition and diversity in different types of arsenic sandstone areas