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题名:
Characteristics of Ammonia Volatilization of the Typical Calamagrostis angustifolia Wetland Soils in the Sanjiang Plain, Northeast China
作者: Sun Zhigao ; Yu Junbao ; Chen, XiaoBing(陈小兵)
通讯作者: Sun, ZG, Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Key Lab Coastal Wetland Ecol, Yantai 264003, Shandong, Peoples R China
产权排序: Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Key Lab Coastal Wetland Ecol
会议名称: International Symposium on Environmental Science and Technology
会议主办者: Chinese Soc Environm Sci, Beijing Inst Technol, Donghua Univ, Key Lab Explos Sci & Technol
会议日期: 2009-06-02
会议地点: Shanghai, PEOPLES R CHINA
会议录出版者: SCIENCE PRESS BEIJING
会议录: PROGRESS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY, VOL II, PTS A AND B
出版日期: 2009
ISBN号: 978-7-03-024459-8
关键词: NITROGEN DYNAMICS ; FLOODED RICE ; MODEL
学科分类: Engineering ; Environmental; Environmental Sciences
中文摘要: From May to October in 2005, the ammonia (NH3) Volatilization from the soils of typical meadow C. agustifolia wetland (TMCW) and marsh meadow C. agustifolia wetland (MMCW) in the Sanjiang Plain of Northeast China were determined in situ with venting method. Results showed that the change trends of NH3 volatilization rates and cumulative NH3 Volatilization amounts on the two typical C. agustifolia wetland soils were basically the same. The NH3 volatilization rates of MMCW were relatively high, with an average value being 1.35 +/- 0.53 (+/- S.D., n = 16) folds ofTMCW. In growing season, the total NH3 volatilization amounts of TMCW and MMCW soils were 0.635 gN/m(2) and 0.687 gN/m(2), respectively. Compared with the nitrogen wet deposition amount (0.757 gN/(m(2.)a) of Sanjiang Plain in 2005, the NH3 volatilization played an important role in the nitrogen balance of C. angustifolia wetland ecosystem. Further analysis indicated that the storage of soil nitrogenous compounds was not the limiting factor affecting NH3 volatilization process, while atmospheric temperature and other temperature fluctuations were the important factors affecting the changes of NH3 volatilization rates. The precipitation and the fluctuation and dissipation of soil water were the inducers of the partial fluctuation of NH3 volatilization rates, while soil pH and texture were the main factors inducing lower NH3 volatilization rates.
作者部门: 滨海湿地实验室
收录类别: CPCI(ISTP)
语种: 英语
内容类型: 会议论文
URI标识: http://ir.yic.ac.cn/handle/133337/3658
Appears in Collections:滨海湿地实验室_会议论文

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Recommended Citation:
Sun Zhigao,Yu Junbao,Chen Xiaobing. Characteristics of Ammonia Volatilization of the Typical Calamagrostis angustifolia Wetland Soils in the Sanjiang Plain, Northeast China[C]. 见:International Symposium on Environmental Science and Technology. Shanghai, PEOPLES R CHINA. 2009-06-02.
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