gcb12034-sup-0005-TableS2

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Table S2 CH4 emission rates (Tg CH4 yr-1) from different wetlands located within
different regions of China
Region
Wetland type
Flooding condition
Season
Flux
References
Qinghai-Tibetan
Peatland
Continuous flooding
Growing season
8.30 ± 7.66
1-3
Seasonal flooding
Growing season
7.83 ± 8.87
1,2
Seasonal flooding during
Non-growing season
0.56
1
Plateau
the growing season
Northeast China
Peatland
Seasonal flooding
Growing season
3.27
Freshwater
Continuous flooding
Growing season
11.24
Non-growing season
0.68
Growing season
5.08
Non-growing season
0.24
± 1.96
± 5.72
4,5
2,6-8
marshes
Seasonal flooding
Other regions
9
± 4.93
6,8
9
± 1.10
10
Swamp
Seasonal flooding
Growing season
0.61
Freshwater
Continuous flooding
Growing season
9.76
7
Continuous flooding
Non-growing season
3.29
11
marshes
during the growing season
Salt marshes
Tidal flooding
Annual
2.89 ± 3.97
12-14
Swamp
Tidal flooding
Annual
0.06 ± 0.07
15
(mangrove)
References
1
Chen H, Yao S P, Wu N, Wang Y F, Luo P, Tian J P,Gao Y H (2008). Determinants
influencing seasonal variations of methane emissions from alpine wetlands in Zoige Plateau
and their implications. Journal of Geophysical Research, 113,D12303,
10.1029/2006JD008072.
2
Ding W, Cai Z,Wang D (2004). Preliminary budget of methane emissions from natural
wetlands in China. Atmospheric Environment, 38, 751-759.
3
Hirota M, Tang Y, Hu Q et al. (2004). Methane emissions from different vegetation zones in a
Qinghai-Tibetan Plateau wetland。 Soil Biology and Biochemistry, 36, 737-748.
4
Mu C, Shi L,X. S (2009). Fluxes and controls of
CO 2, CH4 and
N2O in a marsh wetland
of Xiaoxing'an mountains, Northeastern China Chinese Journal of Plant Ecology, 33, 617-623,
in Chinese with an English abstract.
5
Yu J B, Liu J S, sun Z G, Sun W D, Wang J D, Wang G P,Chen X B ( 2009). The fluxes and
controlling factors of N2O and CH4 emissions from freshwater marsh in northeast China.
Science in China Series D: Earth Sciences, 39, 177 -187, in Chinese with an English abstract.
6
Song C, Yan B, Wang Y, Wang Y, Y. L,Zhao Z (2003). Fluxes of carbon dioxide and
methane from swamp and impact factors in Sanjiang Plain, China. Chinese Science Bulletin,
48, 2749-2753.
7
Wang Z P, Han X G, Li L H, Chen Q S, Duan Y,Cheng W X (2005). Methane emission from
small wetlands and implications for semiarid region budgets. Jounal of Geophysical Research,
110, D13304, doi:10.1029/2004JD005548.
8
Zhou W M, Wang J D,Liu J S (2006). Study on the relation of plant biomass and CH4 , N2O
emission in the wetland of Sanjiang Plain. Journal of the Graduate School of the Chinese
Academy of Sciences, 23, 736-743, in Chinese with an English abstract.
9
Zhang J, Song C,Yang W (2005). Cold season CH4, CO2 and N2O fluxes from freshwater
marshes in northeast China. Chemosphere, 59, 1703-1705.
10
Sun X, Mu C, Shi L, Cheng W, Liu X, Wu Y,Feng D (2009). Methane emission from forested
swamps in Xiaoxing'an mountains, Northeastern China Chinese Journal of Plant Ecology, 33,
535-545, in Chinese with an English abstract.
11
Wang Z P,Han X G (2005). Diurnal variation in methane emissions in relation to plants and
environmental variables in the Inner Mongolia marshes. Atmospheric Environment, 39,
6295-6305.
12
Chang T C,Yan S S (2003). Methane emission from wetlands in Taiwan. Atmospheric
Environment, 37, 4551-4558.
13
Tong C, Zeng C S, Wang W Q, Yan Z,Yang H (2009). Main factors influencing CH 4 flux
from a Phragm ites australis wetland in the Min River estuary. Acta Scientiae Circumstantiae,
29, 207-216, in Chinese with an English abstract.
14
Wang D, Chen Z,Xu S (2009). Methane emission from Yangtze estuarine wetland, China.
Jounal of Geophysical Research, 114, G02011 doi:10.1029/2008JG000857.
15
Ye Y, Lu C,Lin P (2000). Seasonal and spatial xhanges of methane emissions from mangrove
wetlands in Hainan island and Xiamen. Chinese Journal of Atmospheric Sciences, 24, 152-156,
in Chinese with an English abstract.
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