Journal of Guangdong University of Technology ›› 2018, Vol. 35 ›› Issue (06): 90-94.doi: 10.12052/gdutxb.180103

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A Study of the N2O Emissions from Urban Wetlands—Taking Haizhu Lake Wetland in Guangzhou as an Example

Rao Xin1, Xiao Rong-bo2,3, Xu Zhi-wei2,3   

  1. 1. School of Humanities and Economic Management, China University of Geosciences, Beijing 100038, China;
    2. School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China;
    3. Guangdong Provincial Academy Environmental Science, Guangzhou 510030, China
  • Received:2018-07-05 Online:2018-11-23 Published:2018-11-23

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Abstract: The objectives of this study are to investigate the fluxes of N2O from urban wetlands, and to find the related environmental factors. The enclosed static chamber-gas chromatography method is used to analyze the N2O fluxes of Canna indica (CI), Colocasia tonoimo (CT) and Aphelandra ruellia(AR) from December 2013 to November 2014 in the typical urban wetland of the Haizhu Lake in Guangzhou City. The results shows that the average annual fluxes of N2O in the water-free areas are 0.029 mg·m-2·h-1 for CI, 0.089 mg·m-2·h-1for CT, and 0.013 mg·m-2·h-1 for AR, and are 0.016 mg·m-2·h-1 for CI, 0.0069 mg·m-2·h-1for CT, 0.022 mg·m-2·h-1 for AR in the water areas. Differences in N2O fluxes between different seasons are obvious. Water level and temperature are significant factors affecting N2O emission, while the influence of different plants community type is not significant. The N2O emission flux goes to the largest when the temperature is at 25~35℃.

Key words: urban wetland, N2O emissions, hydraulic condition, wetland plants

CLC Number: 

  • X171
[1] IPCC. Climate change 2007:the physical science basis contribution of working group Ⅰ to the fourth assessment report of the intergovernmental panel on climate change[M]. New York:Cambridge University Press, 2007:749-766
[2] BOUWMAN A F. Soils and the Greenhouse Effect[M]. New York:John Wiley & Sons, 1990:61-127
[3] SCARONI A E, YE S, LINDAU C W, et al. Nitrous Oxide emissions from soils in Louisiana's Atchafalaya River Basin[J]. Wetlands, 2014, 34(3):545-554
[4] HUERTAS I E, FLECHA S, NAVARRO G, et al. Spatio-temporal variability and controls on methane and nitrous oxide in the Guadalquivir Estuary, Southwestern Europe[J]. Aquatic Sciences, 2018, 80(3):29
[5] SONG H, LIU X, YU W, et al. Seasonal and spatial variation of Nitrogen Oxide fluxes from human-disturbance coastal wetland in the Yellow River Estuary[J]. Wetlands, 2018:1-11
[6] WANG J L, ZHONG Z M, WANG Z H, et al. Soil C/P distribution characteristics of alpine steppe ecosystems in the Qinhai-Tibetan Plateau[J]. Acta Prataculturae Sinica, 2014, 23(2):9-19
[7] ZHAO P, DAI W A, MING-XIN D U, et al. Response of Amorpha fruiticosa planting to soil nutrients in the Tibetan Plateau[J]. Acta Prataculturae Sinica, 2014, 23(3):175-181
[8] 徐志伟, 肖荣波, 邓一荣, 等. 广州海珠湖城市湿地CO2通量特征[J]. 应用与环境生物学报, 2016, 22(1):13-19 XU Z W, XIAO R B, DENG Y R, et al. Characteristics of CO2 flux in urban wetlands of Haizhu Lake in Guangzhou[J]. Journal of Applied and Environmental Biology, 2016, 22(1):13-19
[9] MIELNICK P C, DUGAS W A. Soil CO2 flux in a tallgrass prairie[J]. Soil Biology & Biochemistry, 2000, 32(2):221-228
[10] 郑泽梅, 于贵瑞, 孙晓敏, 等. 涡度相关法和静态箱/气相色谱法在生态系统呼吸观测中的比较[J]. 应用生态学报, 2008, 19(2):290-298 ZHENG Z M, YU G R, SUN X M, et al. Comparison of vorticity correlation and static box/gas chromatography in respiration observation of ecosystems[J]. Chinese Journal of Applied Ecology, 2008, 19(2):290-298
[11] 刘惠, 赵平, 孙谷畴, 等. 华南丘陵区冬闲稻田二氧化碳、甲烷和氧化亚氮的排放特征[J]. 应用生态学报, 2007, 18(1):57-62 LIU H, ZHAO P, SUN G C, et al. Characteristics of CO2, CH4 and N2O emissions from winter idle rice fields in hilly areas of South China[J]. The Journal of Applied Ecology, 2007, 18(1):57-62
[12] 陈伟民, 黄祥飞. 湖泊生态系统观测方法[M]. 北京:中国环境科学出版社, 2005.
[13] NKONGLOLO N V, JOHNSON S, SCHMIDT K, et al. Greenhouse gases fluxes and soil thermal properties in a pasture in central Missouri[J]. 环境科学学报(英文版), 2010, 22(7):1029-1039
[14] 王金龙, 李艳红, 李发东. 博斯腾湖人工和天然芦苇湿地土壤CO2、CH4和N2O排放通量[J]. 生态学报, 2018, 38(2):668-677 WANG J L, LI Y H, LI F D. CO2, CH4 and N2O emission fluxes from artificial and natural reed wetlands in Bosten Lake[J]. Chinese Journal of Ecology, 2018, 38(2):668-677
[15] GRANLI T. Nitrous oxide from agriculture[J]. Norwegian Journal of Agricultural Sciences, 1994, 12(Suppl):11-28
[16] HOYLE F C, MURPHY D V, IRP F. Temperature and stubble management influence microbial CO2-C evolution and gross N transformation rates[J]. Soil Biology & Biochemistry, 2006, 38(1):71-80
[17] 黄树辉, 吕军. 区分土壤中硝化与反硝化对N2O产生贡献的方法[J]. 农业工程学报, 2005, 21(s1):48-51 HUANG S H, LYU J. A method for distinguishing nitrification and denitrification in soil from N2O production[J]. Journal of Agricultural Engineering, 2005, 21(s1):48-51
[18] REGINA K, NYKANEN H, SILVOLA J, et al. Fluxes of nitrous oxide from boreal peatlands as affected by peatland type, water table level and nitrification capacity[J]. Biogeochemistry, 1996, 35(3):401-418
[19] 朱晓艳, 宋长春, 郭跃东, 等. 三江平原泥炭沼泽湿地N2O排放通量及影响因子[J]. 中国环境科学, 2013, 33(12):2228-2234 ZHU X Y, SONG C C, GUO Y D, et al. N2O emission flux and impact factors of peat moist wetlands in Sanjiang Plain[J]. Chinese Journal of Environmental Science, 2013, 33(12):2228-2234
[20] 刘惠, 赵平, 孙谷畴, 等. 华南丘陵区冬闲稻田二氧化碳、甲烷和氧化亚氮的排放特征[J]. 应用生态学报, 2007, 18(1):57-62 LIU H, ZHAO P, SUN G C, et al. Characteristics of CO2, CH4 and N2O emissions from winter idle rice fields in hilly areas of South China[J]. The Journal of Applied Ecology, 2007, 18(1):57-62
[21] 郝庆菊, 王跃思, 宋长春, 等. 垦殖对沼泽湿地CH4和N2O排放的影响[J]. 生态学报, 2007, 27(8):3417-3426 HAO Q J, WANG Y S, SONG C C, et al. Effects of reclamation on CH4 and N2O emissions from swamp wetlands[J]. Acta Ecologica Sinica, 2007, 27(8):3417-3426
[22] WALKER J T, GERON C D, VOSE J M, et al. Nitrogen trace gas emissions from a riparian ecosystem in southern Appalachia[J]. Chemosphere, 2002, 49(10):1389-1398
[23] 宋长春, 张丽华, 王毅勇, 等. 淡水沼泽湿地CO2、CH4和N2O排放通量年际变化及其对氮输入的响应[J]. 环境科学, 2006, 27(12):2369-2375 SONG C C, ZHANG L H, WANG Y Y, et al. Interannual variations of CO2, CH4 and N2O emission fluxes in freshwater marsh wetlands and their responses to nitrogen inputs[J]. Chinese Journal of Environmental Science, 2006, 27(12):2369-2375
[24] 马维伟, 王辉, 李广, 等. 尕海湿地CH4、CO2和N2O通量特征初步研究[J]. 草业学报, 2015(8):1-10 MA W W, WANG H, LI G, et al. Preliminary study on flux characteristics of CH4, CO2 and N2O in Bohai wetland[J]. Acta Pratacultura Sinica Sinica, 2015(8):1-10
[25] 徐小锋, 宋长春, 宋霞. 小叶章生态系统根际土壤微生物及CO2、CH4、N2O动态[J]. 生态学报, 2005, 25(1):182-187 XU X F, SONG C C, SONG X. Linking of microorganisms to CO2, CH4, and N2O dynamics in Calamagrostis angustifolia rhizosphere soil[J]. Chinese Journal of Ecology, 2005, 25(1):182-187
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