Responses of Ecosystem CO₂ Fluxes to Short-Term Experimental Warming and Nitrogen Enrichment in an Alpine Meadow, Northern Tibet Plateau

Table 1

Repeated-measure analyses of variance (ANOVAs) for ecosystem respiration (Reco), aboveground biomass (AGB), soil inorganic N content, and mineralization rate in 2012. 𝐹 and 𝑃 values represent 𝐹 value of ANOVA results and statistical significance, respectively. The significant level is 𝑃<0.05.

Model	Reco		AGB		Soil inorganic; N content		Soil N; mineralization rate
	𝐹	𝑃	𝐹	𝑃	𝐹	𝑃	𝐹	𝑃
Warming (W)	8.063	0.015	62.290	<0.001	0.004	0.948	32.108	<0.001
Nitrogen (N)	3.911	0.071	53.157	<0.001	30.078	<0.001	33.617	<0.001
W × N	0.034	0.875	2.710	0.126	3.684	0.034	10.375	<0.001
Date (D)	31.208	0.000	147.502	<0.001	60.798	<0.001	494.949	<0.001
D × W	0.945	0.414	11.565	<0.001	15.222	<0.001	251.430	<0.001
D × N	0.892	0.436	11.300	<0.001	13.242	<0.001	54.143	<0.001
D × W × N	0.268	0.801	4.614	0.023	62.886	<0.001	46.345	<0.001