青海森林生态系统中灌木层和土壤生态化学计量特征

青海森林生态系统中灌木层和土壤生态化学计量特征

杨文高,字洪标,陈科宇,阿的鲁骥,胡雷,王鑫,王根绪,王长庭

Ecological stoichiometric characteristics of shrubs and soils in different forest types in Qinghai, China

YANG Wen-Gao,ZI Hong-Biao,CHEN Ke-Yu,ADE Lu-Ji,HU Lei,WANG Xin,WANG Gen-Xu,WANG Chang-Ting

表2 青海不同林分灌木各器官与土壤C、N、P含量及化学计量比之间的相关性

Table 2 Correlation among the shrubs and soil C, N and P stoichiometric characteristics in different forest types in Qinghai

器官 Organ	项目 Item	土壤 Soil
器官 Organ	项目 Item	SOC	TN	TP	C:N	C:P	N:P
叶 Leaf	C	0.159^*	0.166^*	0.160^*	-0.078	0.100	0.106
	N	0.063	0.614^**	0.224^**	-0.759^**	-0.028	0.561^**
	P	0.005	0.214^**	0.427^**	-0.261^**	-0.185^*	0.022
	C:N	-0.054	-0.524^**	-0.134	0.662^**	0.001	-0.514^**
	C:P	-0.023	-0.116	-0.354^**	0.106	0.139	0.048
	N:P	0.067	0.496^**	-0.100	-0.617^**	0.122	0.596^**
枝干 Branch	C	0.048	0.012	0.032	-0.019	0.063	0.011
	N	-0.083	0.457^**	0.087	-0.742^**	-0.137	0.444^**
	P	-0.162^*	-0.005	0.230^**	-0.175^*	-0.277^**	-0.120
	C:N	0.026	-0.514^**	-0.068	0.757^**	0.072	-0.516^**
	C:P	0.122	0.012	-0.190^*	0.105	0.227^**	0.110
	N:P	0.018	0.328^**	-0.113	-0.453^**	0.063	0.397^**
根 Root	C	0.239^**	0.120	-0.084	0.142	0.301^**	0.175^*
	N	-0.084	0.340^**	-0.076	-0.575^**	-0.052	0.413^**
	P	-0.132	-0.024	0.188^*	-0.107	-0.209^**	-0.106
	C:N	0.058	-0.349^**	0.008	0.573^**	0.053	-0.396^**
	C:P	0.135	0.116	-0.176^*	-0.016	0.202^**	0.189^*
	N:P	-0.002	0.286^**	-0.207^**	-0.422^**	0.077	0.397^**