Responses of Carbon Dynamics to Nitrogen Deposition in Typical Freshwater Wetland of Sanjiang Plain

Table 1

The accumulation of biomass and carbon in C. angustifolia under N-deposition.

Part	N level	UF		FD
		Biomass (g·m^−2)	C content (g·kg^−1)	Biomass (g·m^−2)	C content (g·kg^−1)
Aboveground	N0	131.21 ± 15.78^a	584.40 ± 25.15^a	1 173.87 ± 17.32^a	542.61 ± 16.56^a
	N1	138.85 ± 16.22^a	555.68 ± 11.45^ab	1 186.22 ± 18.68^a	526.06 ± 15.44^ab
	N3	149.55 ± 19.12^a	533.48 ± 9.45^b	1 197.97 ± 15.76^a	518.03 ± 18.59^b
	N5	161.58 ± 19.58^a	515.84 ± 13.26^b	213.57 ± 15.63^a	504.85 ± 15.37^b
Root	N0	115.25 ± 10.18^a	506.83 ± 5.02^a	114.93 ± 15.45^a	468.79 ± 7.68^a
	N1	129.07 ± 10.09^a	508.59 ± 4.73^a	138.46 ± 16.63^a	487.60 ± 7.73^a
	N3	135.75 ± 14.50^ab	523.36 ± 5.99^ab	144.69 ± 18.89^a	505.93 ± 4.53^ab
	N5	167.00 ± 32.19^b	548.37 ± 5.81^b	178.91 ± 17.88^a	533.44 ± 3.63^b
Total	N0	246.46 ± 22.43^a	568.79 ± 13.61^a	288.81 ± 27.53^a	540.19 ± 9.28^a
	N1	267.92 ± 22.41^a	537.03 ± 6.77^a	324.68 ± 35.81^a	516.11 ± 9.25^a
	N3	285.31 ± 32.43^ab	520.33 ± 4.79^ab	342.66 ± 56.76^ab	500.02 ± 10.79^ab
	N5	328.58 ± 48.21^b	511.29 ± 3.14^b	392.48 ± 52.46^b	483.54 ± 9.81^b

Notes: different letters meant significant difference ().