Table 1. Effects of measuring dates (T), warming treatments (W), and their interactions (T ×W) on net ecosystem production (NEP), ecosystem respiration (ER) and gross primary productivity (GPP) from RMANOVA.

Source	NEP			ER			GPP
	DF	F	P	DF	F	P	DF	F	P
T	2.35	1,533.57	<0.01	1.76	3,287.11	<0.01	4.00	3,173.30	<0.01
W	4.00	459.76	<0.01	4.00	248.19	<0.01	4.00	487.55	<0.01
T × W	9.40	7.28	<0.01	7.03	38.90	<0.01	16.00	14.76	<0.01