降雨变化对高寒草甸不同植物功能群凋落物质量及其分解的影响

杨德春, 胡雷, 宋小艳, 王长庭

Effects of changing precipitation on litter quality and decomposition of different plant functional groups in an alpine meadow

YANG De-Chun, HU Lei, SONG Xiao-Yan, WANG Chang-Ting

表3 凋落物类型、分解时间和降雨量对质量损失和养分释放的重复测量方差分析

Table 3 Repeated measures ANOVA of litter type, decomposition time and precipitation on mass loss and nutrient release

差异来源 Source of variation	MR (%)		R_C(%)		R_N(%)		R_P(%)
差异来源 Source of variation	F	p	F	p	F	p	F	p
L	51.072	<0.001	23.966	0.001	138.895	<0.001	73.247	<0.001
T	334.324	<0.001	284.117	<0.001	49.010	0.002	239.147	<0.001
Pr	34.481	<0.001	60.966	<0.001	104.726	<0.001	158.340	<0.001
L × T	3.550	0.029	3.529	0.030	3.489	0.031	6.871	0.002
L × Pr	3.632	0.003	1.924	0.083	14.058	<0.001	27.063	<0.001
T × Pr	7.714	<0.001	6.350	0.001	9.822	<0.001	73.057	<0.001
L × T × Pr	3.077	<0.001	1.855	0.034	3.762	<0.001	5.484	<0.001