Nutrient Enrichment Mediates the Relationships of Soil Microbial Respiration with Climatic Factors in an Alpine Meadow

Table 1

Results ( and values) of repeated measures ANOVAs on the effects of nutrient fertilization (F) and year (Y) on soil microbial respiration () and the contribution of to (), with measuring date (D) as repeated variables, respectively.

	df
		Year (Y)	2	216.17	<0.001	57.44	<0.001
Date (D)	5	8.22	<0.001	79.81	<0.001
Fertilization (F)	4	14.70	<0.001	11.57	<0.001
Y × D	10	12.93	<0.001	72.77	<0.001
Y × F	8	2.87	0.004	2.84	0.006
D × F	20	1.43	0.11	2.69	0.010
Y × D × F	40	0.81	0.78	2.92	<0.001