川西亚高山岷江冷杉幼苗生物量积累与分配的影响因子

陶琼, 缪宁, 岳喜明, 罗建琼, 薛盼盼, 王晖

Influencing factors of biomass accumulation and allocation of Abies fargesii var. faxoniana seedlings in the subalpine region of western Sichuan, China

TAO Qiong, MIAO Ning, YUE Xi-Ming, LUO Jian-Qiong, XUE Pan-Pan, WANG Hui

表3 不同林分中岷江冷杉幼苗生物量与各生境因子的关系

Table 3 Relationship between Abies fargesii var. faxoniana seedling biomass and habitat factors in different forest types

林分类型 Forest type	响应变量 Response variable	解释变量 Explanatory variable	参数 Estimate	标准误 SE	t	p
岷江冷杉原始林 Abies fargesii var. faxoniana primary forest	RMF	AS (NW)	0.44	0.15	2.93	0.004^**
		SU (soil)	0.72	0.23	3.06	0.002^**
		SH	-0.17	0.08	-2.06	0.041^*
		HC	-0.14	0.07	-2.01	0.045^*
		MT	0.25	0.08	3.22	0.001^**
	SMF	AS (W)	0.51	0.14	3.52	<0.001^***
	LMF	AS (NW)	-0.47	0.17	-2.68	0.030^*
		AS (W)	-0.58	0.18	-3.12	0.013^*
		SU (rock)	-0.90	0.35	-2.54	0.012^*
		SU (soil)	-0.64	0.23	-2.80	0.005^**
		MT	-0.19	0.07	-2.75	0.008^**
	AMI	AS (W)	0.67	0.20	3.33	0.009^**
	AMI	SH	0.20	0.08	2.51	0.012^*
红桦-岷江冷杉针阔混交林 Betula. albosinensis - Abies fargesii var. faxoniana needleleaf-broadleaf forest	RMF	MC	0.49	0.15	3.27	0.002^**
	RMF	MT	-0.65	0.31	-2.06	0.044^*
	SMF	ns
	LMF	ns
	AMI	ns
红桦阔叶林 Betula albosinensis broadleaf forest	RMF	HH	0.34	0.14	2.48	0.018^*
	SMF	ns
	LMF	HC	-0.35	0.15	-2.24	0.031^*
	AMI	CC	-0.35	0.15	-2.40	0.021^*
		FC	1.59	0.49	3.24	0.002^**
		HH	-0.29	0.12	-2.41	0.020^*