极端干旱区荒漠灌木叶际细菌群落多样性特征

尹翔正, 姜海燕, 张俊, 罗春生, 张元明

Diversity characteristics of phyllosphere bacterial communities in desert shrubs in hyper-arid regions

Xiangzheng Yin, Haiyan Jiang, Jun Zhang, Chunsheng Luo, Yuanming Zhang

图3 叶片功能性状对荒漠灌木叶际细菌群落结构的影响。(a)冗余分析显示叶际细菌群落与叶片功能性状的关系; (b)变差分解显示叶片功能性状中叶片养分、叶片生理、叶片形态对叶际细菌群落结构变异的解释比例。小于0的值未显示。BW: 叶片宽度; BL: 叶片长度; SLA: 比叶面积; LMA: 比叶重; LDMC: 叶干物质含量; SS: 可溶性糖; ST: 淀粉; Phe: 总酚; Fla: 总黄酮; TNC: 总非结构性碳水化合物; LTP: 叶片总磷; LTC: 叶片总碳。

Fig. 3 Effects of leaf functional traits on phyllosphere bacterial community structure in desert shrubs. (a) Redundancy analysis showing the relationship between phyllosphere bacterial communities and leaf functional traits. (b) Variance partitioning analysis illustrating the independent and shared contributions of leaf nutrient, physiological, and morphological traits to the variation in phyllosphere bacterial community structure. Values<0 not shown. BW, Blade width; BL, Blade length; SLA, Specific leaf area: LMA, Leaf mass per area; LDMC, Leaf dry matter content; SS, Soluble sugar; ST, Starch; Phe, Total phenols; Fla, Total flavonoids; TNC, Total non-structural carbohydrates ; LTP, Leaf total phosphorus; LTC, Leaf total carbon.