Chin J Plant Ecol ›› 2016, Vol. 40 ›› Issue (9): 902-911.DOI: 10.17521/cjpe.2016.0029
Special Issue: 青藏高原植物生态学:生态系统生态学; 生态系统碳水能量通量
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Wen-Chang ZHOU1,2, Li-Juan CUI1,*(), Yi-Fei WANG1, Wei LI1, Xiao-Ming KANG1
Received:
2016-01-17
Accepted:
2016-05-09
Online:
2016-09-10
Published:
2016-09-29
Contact:
Li-Juan CUI
Wen-Chang ZHOU, Li-Juan CUI, Yi-Fei WANG, Wei LI, Xiao-Ming KANG. Characteristics of methane emission fluxes in the Zoigê Plateau wetland on microtopography[J]. Chin J Plant Ecol, 2016, 40(9): 902-911.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2016.0029
样点 Plot | pH (0-10 cm depth) | 土壤有机碳含量 Soil organic carbon content (0-30 cm depth) (g·kg-1) | 土壤容重 Bulk density (0-30 cm depth) (g·cm-3) | 总氮 Total nitrogen (0-10 cm depth) (g·kg-1) | 地上生物量 Aboveground biomass (g·m-2) |
---|---|---|---|---|---|
P-hummock | 7.6 ± 0.1 | 210.38 ± 47.29 | 0.29 ± 0.09 | 15.20 ± 3.50 | 127.16 ± 8.11 |
P-hollow | 279.34 ± 35.54 | ||||
Lawn | 7.5 ± 0.3 | 143.21 ± 10.03 | 0.52 ± 0.08 | 18.05 ± 0.00 | 142.28 ± 95.61 |
S-hummock | 7.5 ± 0.2 | 151.74 ± 74.15 | 0.40 ± 0.16 | 8.91 ± 3.85 | 189.74 ± 72.79 |
S-hollow | 194.01 ± 50.07 |
Table 1 Soil physical and chemical properties from the Zoigê Plateau wetland on five microtopography (mean ± SD)
样点 Plot | pH (0-10 cm depth) | 土壤有机碳含量 Soil organic carbon content (0-30 cm depth) (g·kg-1) | 土壤容重 Bulk density (0-30 cm depth) (g·cm-3) | 总氮 Total nitrogen (0-10 cm depth) (g·kg-1) | 地上生物量 Aboveground biomass (g·m-2) |
---|---|---|---|---|---|
P-hummock | 7.6 ± 0.1 | 210.38 ± 47.29 | 0.29 ± 0.09 | 15.20 ± 3.50 | 127.16 ± 8.11 |
P-hollow | 279.34 ± 35.54 | ||||
Lawn | 7.5 ± 0.3 | 143.21 ± 10.03 | 0.52 ± 0.08 | 18.05 ± 0.00 | 142.28 ± 95.61 |
S-hummock | 7.5 ± 0.2 | 151.74 ± 74.15 | 0.40 ± 0.16 | 8.91 ± 3.85 | 189.74 ± 72.79 |
S-hollow | 194.01 ± 50.07 |
Fig. 1 Seasonal variations of CH4 emission fluxes from Zoigê Plateau wetland on five microtopography in 2014 (mean ± SD). Lawn, transitional zones between permanently flooded and seasonally flooded sites; P-hollow, permanently flooded hollow; P-hummock, permanently flooded hummock; S-hollow, seasonally flooded hollow; S-hummock, seasonally flooded hummock.
样点 Plot | 回归方程 Regression equation | 变量 Variable | 变量范围 Variable range | R2 | p | n |
---|---|---|---|---|---|---|
CH4排放通量平均值 Mean CH4 emission fluxes | y = 1.07x + 32.79 | WTD | -39.7-29.5 cm | 0.919 | 0.006 | 5 |
P-hummock | y = 5.07x - 10.38 | T5 | 5.6-17.9 ℃ | 0.747 | 0.000 | 12 |
y = 4.60x - 5.00 | T10 | 4.0-14.6 ℃ | 0.694 | 0.012 | 12 | |
y = 4.21x - 2.08 | T15 | 3.2-14.5 ℃ | 0.698 | 0.012 | 12 | |
y = 4.12x - 1.49 | T20 | 3.0-15.0 ℃ | 0.737 | 0.006 | 12 | |
y = 3.63x + 5.93 | T30 | 1.7-15.1 ℃ | 0.670 | 0.017 | 12 | |
S-hummock | y = 0.07x - 0.27 | T10 | 4.0-14.6 ℃ | 0.407 | 0.028 | 10 |
y = 0.07x - 0.23 | T15 | 3.2-14.5 ℃ | 0.448 | 0.020 | 10 | |
y = 0.06x - 0.19 | T20 | 3.0-15.0 ℃ | 0.429 | 0.024 | 10 | |
y = 0.05x - 0.07 | T30 | 1.7-15.1 ℃ | 0.346 | 0.043 | 10 |
Table 2 Correlation between CH4 emission fluxes and soil temperature or water table depth
样点 Plot | 回归方程 Regression equation | 变量 Variable | 变量范围 Variable range | R2 | p | n |
---|---|---|---|---|---|---|
CH4排放通量平均值 Mean CH4 emission fluxes | y = 1.07x + 32.79 | WTD | -39.7-29.5 cm | 0.919 | 0.006 | 5 |
P-hummock | y = 5.07x - 10.38 | T5 | 5.6-17.9 ℃ | 0.747 | 0.000 | 12 |
y = 4.60x - 5.00 | T10 | 4.0-14.6 ℃ | 0.694 | 0.012 | 12 | |
y = 4.21x - 2.08 | T15 | 3.2-14.5 ℃ | 0.698 | 0.012 | 12 | |
y = 4.12x - 1.49 | T20 | 3.0-15.0 ℃ | 0.737 | 0.006 | 12 | |
y = 3.63x + 5.93 | T30 | 1.7-15.1 ℃ | 0.670 | 0.017 | 12 | |
S-hummock | y = 0.07x - 0.27 | T10 | 4.0-14.6 ℃ | 0.407 | 0.028 | 10 |
y = 0.07x - 0.23 | T15 | 3.2-14.5 ℃ | 0.448 | 0.020 | 10 | |
y = 0.06x - 0.19 | T20 | 3.0-15.0 ℃ | 0.429 | 0.024 | 10 | |
y = 0.05x - 0.07 | T30 | 1.7-15.1 ℃ | 0.346 | 0.043 | 10 |
位点 Location | 主要植被 Main vegetation | 水位深度 water table depth (cm) | CH4排放通量平均值 Mean CH4 emission fluxes (mg·m-2·h-1) | 范围 Range (mg·m-2·h-1) | 研究时间 Study period | 参考文献 Reference |
---|---|---|---|---|---|---|
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 23.10 ± 30.28 | 0.17-144.43 | May to Oct. 2014 | 本研究 This study | ||
P-hollow | 小眼子菜和狸藻 Potamogeton pusillus and Utricularia vulgaris | 29.5 | 68.48 | 5.78-144.43 | 本研究 This study | |
P-hummock | 木里薹草 Carex muliensis | 7.5 | 40.32 | 12.93-76.86 | 本研究 This study | |
Lawn | 西藏嵩草和花葶驴蹄草 Kobresia tibetica and Caltha scaposa | -21.6 | 3.68 | 0.23-8.45 | 本研究 This study | |
S-hollow | 木里薹草 Carex muliensis | -21.1 | 2.38 | 0.48-4.91 | 本研究 This study | |
S-hummock | 西藏嵩草 Kobresia tibetica | -39.7 | 0.63 | 0.17-1.48 | 本研究 This study | |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 乌拉草 Carex meyeriana | ND | 4.51 | 0.36-10.04 | May to Sept. 2001 | Wang et al., 2002 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草 Carex muliensis | ND | 2.87 | 0.51-8.21 | May to Sept. 2001 | Wang et al., 2002 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 乌拉草 Carex meyeriana | ND | 3.24 | 0.86-8.93 | May to Oct. 2002 | Ding et al., 2004 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草 Carex muliensis | ND | 1.24 | 0.16-5.75 | May to Oct. 2002 | Ding et al., 2004 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草和乌拉草 Carex muliensis and Carex meyeriana | ND | 2.43 | 0.02-12.01 | May to Oct. 2003 | Wang, 2010 |
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 西藏嵩草和木里薹草 Kobresia tibetica and Carex muliensis | -18.36-10.66 | 14.45 | 0.17-86.78 | June to Sept. 2005 | Chen et al., 2008 |
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 木里薹草 Carex muliensis | -53.94- -4.74 | 9.83 | 0.06-39.5 | June to Sept. 2009 | Li et al., 2011 |
青藏高原 Qinghai-Xizang Plateau | 藏北嵩草和签草 Kobresia littledalei and Carex doniana | ND | 2.80 ± 0.80 | ND | July to Aug. 1996 | Wei et al., 2015 |
青藏高原 Qinghai-Xizang Plateau | 毛柄水毛茛 Batrachium trichophyllum | ND | 0.27 | -0.81-2.64 | April to Sept. 1997 | Jin et al., 1999 |
青藏高原 Qinghai-Xizang Plateau | 杉叶藻 Hippuris vulgaris | 10-120 | 1.46 | -0.24-7.85 | April to Sept. 1997 | Jin et al., 1999 |
青藏高原 Qinghai-Xizang Plateau | 薹草属 Carex allivescers | 12 | 8.19 | 1.91-10.58 | July to Sept. 2002 | Hirota et al., 2004 |
青藏高原 Qinghai-Xizang Plateau | 帕米尔薹草 Carex pamirensis | 0.2 | 5 | 2.88-6.91 | May to Sept. 2012 | Song et al., 2015 |
青藏高原 Qinghai-Xizang Plateau | 帕米尔薹草 Carex pamirensis | 0.6 | 6.11 | 4.61-13.25 | May to Sept. 2013 | Song et al., 2015 |
美国科罗拉多州弗兰特山脉 Colorado Front Range, USA | 薹草 Carex scopulorum | ND | 0.35 | 0.05-1.10 | June to Sept. 1992 | West et al., 1999 |
北美洲落基山脉 Rocky Mountains, North America | 薹草 Carex aquatilis | ND | 11.45 | 0.04-20.41 | May to Oct.1996 | Wickland et al., 1999 |
Table 3 Comparison of CH4 emission fluxes in various plateau peatlands during the growing season
位点 Location | 主要植被 Main vegetation | 水位深度 water table depth (cm) | CH4排放通量平均值 Mean CH4 emission fluxes (mg·m-2·h-1) | 范围 Range (mg·m-2·h-1) | 研究时间 Study period | 参考文献 Reference |
---|---|---|---|---|---|---|
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 23.10 ± 30.28 | 0.17-144.43 | May to Oct. 2014 | 本研究 This study | ||
P-hollow | 小眼子菜和狸藻 Potamogeton pusillus and Utricularia vulgaris | 29.5 | 68.48 | 5.78-144.43 | 本研究 This study | |
P-hummock | 木里薹草 Carex muliensis | 7.5 | 40.32 | 12.93-76.86 | 本研究 This study | |
Lawn | 西藏嵩草和花葶驴蹄草 Kobresia tibetica and Caltha scaposa | -21.6 | 3.68 | 0.23-8.45 | 本研究 This study | |
S-hollow | 木里薹草 Carex muliensis | -21.1 | 2.38 | 0.48-4.91 | 本研究 This study | |
S-hummock | 西藏嵩草 Kobresia tibetica | -39.7 | 0.63 | 0.17-1.48 | 本研究 This study | |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 乌拉草 Carex meyeriana | ND | 4.51 | 0.36-10.04 | May to Sept. 2001 | Wang et al., 2002 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草 Carex muliensis | ND | 2.87 | 0.51-8.21 | May to Sept. 2001 | Wang et al., 2002 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 乌拉草 Carex meyeriana | ND | 3.24 | 0.86-8.93 | May to Oct. 2002 | Ding et al., 2004 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草 Carex muliensis | ND | 1.24 | 0.16-5.75 | May to Oct. 2002 | Ding et al., 2004 |
若尔盖高原红原县 Hongyuan County of Zoigê Plateau | 木里薹草和乌拉草 Carex muliensis and Carex meyeriana | ND | 2.43 | 0.02-12.01 | May to Oct. 2003 | Wang, 2010 |
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 西藏嵩草和木里薹草 Kobresia tibetica and Carex muliensis | -18.36-10.66 | 14.45 | 0.17-86.78 | June to Sept. 2005 | Chen et al., 2008 |
若尔盖高原若尔盖县 Zoigê County of Zoigê Plateau | 木里薹草 Carex muliensis | -53.94- -4.74 | 9.83 | 0.06-39.5 | June to Sept. 2009 | Li et al., 2011 |
青藏高原 Qinghai-Xizang Plateau | 藏北嵩草和签草 Kobresia littledalei and Carex doniana | ND | 2.80 ± 0.80 | ND | July to Aug. 1996 | Wei et al., 2015 |
青藏高原 Qinghai-Xizang Plateau | 毛柄水毛茛 Batrachium trichophyllum | ND | 0.27 | -0.81-2.64 | April to Sept. 1997 | Jin et al., 1999 |
青藏高原 Qinghai-Xizang Plateau | 杉叶藻 Hippuris vulgaris | 10-120 | 1.46 | -0.24-7.85 | April to Sept. 1997 | Jin et al., 1999 |
青藏高原 Qinghai-Xizang Plateau | 薹草属 Carex allivescers | 12 | 8.19 | 1.91-10.58 | July to Sept. 2002 | Hirota et al., 2004 |
青藏高原 Qinghai-Xizang Plateau | 帕米尔薹草 Carex pamirensis | 0.2 | 5 | 2.88-6.91 | May to Sept. 2012 | Song et al., 2015 |
青藏高原 Qinghai-Xizang Plateau | 帕米尔薹草 Carex pamirensis | 0.6 | 6.11 | 4.61-13.25 | May to Sept. 2013 | Song et al., 2015 |
美国科罗拉多州弗兰特山脉 Colorado Front Range, USA | 薹草 Carex scopulorum | ND | 0.35 | 0.05-1.10 | June to Sept. 1992 | West et al., 1999 |
北美洲落基山脉 Rocky Mountains, North America | 薹草 Carex aquatilis | ND | 11.45 | 0.04-20.41 | May to Oct.1996 | Wickland et al., 1999 |
Fig. 2 Soil temperature at 15 cm depth and water table depth from the Zoigê Plateau wetland on five microtopography in 2104. Lawn, transitional zones between permanently flooded and seasonally flooded sites; P-hollow, permanently flooded hollow; P-hummock, permanently flooded hummock; S-hollow, seasonally flooded hollow; S-hummock, seasonally flooded hummock.
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[1] | CAO Ping-Lin,LU Mei,TIAN Kun,LÜ Si-Tong,YANG Hong-Sheng,YAO Xi,LI Li-Ping,YUE Hai-Tao. Soil fungi distribution patterns under different levels of disturbance in the wetland of Napahai Plateau [J]. Chin J Plant Ecol, 2014, 38(11): 1166-1173. |
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