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2 不同林型内岷江冷杉幼苗所处微生境的特征

Table 2 Traits of microhabitats around Abies fargesii var. faxoniana seedlings in three forest types

变量 Variable	缩写 Abbreviation	林型 Forest type	平均值±标准误 Mean ± SE
郁闭度 Canopy coverage (%)	CC	AP	46 ± 2^c
		BA	59 ± 2^b
		BB	72 ± 1^a
灌木盖度 Shrub coverage (%)	SC	AP	18 ± 1^a
		BA	7 ± 2^b
		BB	9 ± 2^b
灌木高度 Shrub height (m)	SH	AP	0.43 ± 0.04^b
		BA	0.88 ± 0.26^a
		BB	0.32 ± 0.05^b
箭竹盖度 Fargesia coverage (%)	FC	AP	-
		BA	29 ± 3^a
		BB	4 ± 1^b
箭竹高度 Fargesia height (m)	FH	AP	-
		BA	1.38 ± 0.16^a
		BB	0.22 ± 0.03^b
草本盖度 Herbage coverage (%)	HC	AP	22 ± 1^c
		BA	34 ± 3^a
		BB	27 ± 4^b
草本高度 Herbage height (m)	HH	AP	0.08 ± 0.01^b
		BA	0.23 ± 0.01^a
		BB	0.17 ± 0.02^a
苔藓盖度 Moss coverage (%)	MC	AP	88 ± 1^a
		BA	44 ± 4^b
		BB	32 ± 5^b
苔藓厚度 Moss thicknesses (cm)	MT	AP	6.62 ± 0.19^a
		BA	2.35 ± 0.16^b
		BB	2.32 ± 0.24^b
凋落物盖度 Litter coverage (%)	LC	AP	25 ± 1^b
		BA	48 ± 2^a
		BB	22 ± 2^b
凋落物厚度 Litter thicknesses (cm)	LT	AP	1.26 ± 0.07^b
		BA	2.73 ± 0.17^a
		BB	2.64 ± 0.29^a