Table 3.

Effects of environmental changes on phenolics and decomposition.

Environmental changes	Phenolics production	Phenolics degradation	Decomposition	References
CO2	+/−			[83]
	+			[84]
	×			[101]
	+			[102]
	+			[103]
	+/×			[104]
	×	−		[105]
	+		−	[58]
	+			[82]
	+			[90]
	+			[81]
		+		[86]
		+	+	[87]
Warming	−			[90]
	×			[83]
		×		[106]
	+/−			[107]
	+			[89]
		−		[108]
N deposition	×	+/−		[105]
	+		−	[58]
			+/−	[45]
	×/−			[94]
	×/−			[92]
	−			[93]
Drought		+	+	[87]
	−			[109]
			−	[100]
		×/−	−	[100]
	+			[110]
			+	[98]
		+	+	[99]
CO2 × Warming	×			[90]
	×/−			[83]
		−		[108]
CO2 × N deposition		−		[111]
		−		[105]
		−		[58]
CO2 × Drought		×		[87]
Warming × N deposition	−			[112]

+: stimulation, −: inhibition, and ×: no effect or interaction.