固沙灌木林地土壤微生物群落特征对土壤多功能性的影响

肖媛媛, 冯薇, 乔艳桂, 张宇清, 秦树高

Effects of soil microbial community characteristics on soil multifunctionality in sand-fixation shrublands

Yuanyuan Xiao, Wei Feng, Yangui Qiao, Yuqing Zhang, Shugao Qin

图6 微生物多样性和网络拓扑性质对土壤多功能性的解释度(方差分解分析)。实心黑色圆圈代表相邻两因子交互作用, 实线长方形代表三因子交互作用; 蓝色虚线代表一类微生物参数对土壤多功能性的解释度; Nodes: 节点; Edges: 边; Linkage density: 边密度; PD: 系统发育多样性指数; NRI: 净种间亲缘关系指数; NTI: 净最近种间亲缘关系指数; Observed species: 物种数; Chao 1: Chao 1指数; Shannon: Shannon指数。

Fig. 6 Percentage explanation of microbial diversity and network topological properties on soil multifunctionality (variance partition analysis). Solid black circles represent adjacent two-factor interactions, and solid rectangles represent three-factor interactions; Blue dashed line represents the percentage of explanation of soil multifunctionality by one category of microbial parameters; Nodes, Number of nodes; Edges, Number of edges; Linkage density, Linkage density; PD, Faith’s phylogenetic diversity index; NRI, Net relatedness index; NTI, Net nearest taxa index; Observed species, Observed species number; Chao 1, Chao 1 index; Shannon, Shannon index.