滇南喀斯特地区不同季节土壤和灌木叶片化学计量特征及对水分添加的响应

敬洪霞,孙宁骁,Muhammad UMAIR,刘春江,杜红梅

Stoichiometric characteristics of soils and dominant shrub leaves and their responses to water addition in different seasons in degraded karst areas in Southern Yunnan of China

JING Hong-Xia,SUN Ning-Xiao,Muhammad UMAIR,LIU Chun-Jiang,DU Hong-Mei

表2 滇南喀斯特地区两种植物叶片中元素间的相关系数

Table 2 Correlation indices between element concentrations in leaves of the two plant species in degraded karst areas in Southern Yunnan of China

物种 Species Pearson相关系数 Pearson correlation coefficient N-P C-H K-Ca Mn-Ca C-K P-K Ca-Fe C-P N-K C-N 鞍叶羊蹄甲 Bauhinia brachycarpa 0.646** 0.638** -0.747** 0.508** 0.477** 0.689** 0.369* 0.417** 0.667** 0.368* 假虎刺 Carissa spinarum 0.408** 0.467** -0.463** 0.627** -0.355* 0.374* -0.640** -0.074 -0.179 0.024