广西大石围天坑群植物叶片养分特征及其适应性
郑莉莉, 余林兰, 戴萍, 薛跃规, 龙萍

Nutrient characteristics and adaptability of plant leaves in Tiankeng Complex of Dashiwei, Guangxi, China
ZHENG Li-Li, YU Lin-Lan, DAI Ping, XUE Yue-Gui, LONG Ping
图4 广西大石围天坑群植物叶片营养元素含量与化学计量比Spearman相关性。C, 碳含量; Ca, 钙含量; K, 钾含量; Mg, 镁含量; N, 氮含量; P, 磷含量。*, p < 0.05; **, p < 0.01; ***, p < 0.001。
Fig. 4 Spearman correlation between nutrient elements content and stoichiometry in plant leaves in the Dashiwei Tiankeng Complex in Guangxi. C, carbon content; Ca, calcium content; K, potassium content; Mg, magnesium content; N, nitrogen content; P, phosphorus content. *, p < 0.05; **, p < 0.01; ***, p < 0.001.