沙坡头人工固沙植被演替过程中主要结皮生物生态位和种间关联变化特征

张甜, 贾荣亮, 高艳红, 孙靖尧, 赵芸, 刘立超

Niche characteristics and interspecific associations of main biocrust- forming organisms during the succession of artificially sand-binding vegetation in Shapotou， Ningxia， China

Tian Zhang, Rongliang Jia, Yanhong Gao, Jingyao Sun, Yun Zhao, Lichao Liu

图3 沙坡头人工固沙植被演替过程中6种优势结皮生物种间关联 颜色由红变蓝表示由负相关往正相关转变；圆形大小表示关联程度，圆形越大则关联程度越强

Fig.3 Interspecific association of six main biocrust-forming organisms in succession of artificial sand-binding vegetation in Shapotou