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	Nitrogen cycling of atmosphere-plant-soil system in the typical Calamagrostis angustifolia wetland in the Sanjiang Plain, Northeast China
	Sun Zhi-gao; Liu Jing-shuang
发表期刊	JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
ISSN	1001-0742
	2007
卷号	19期号:8页码:986-995
关键词	Compartment Model Nitrogen Cycling Calamagrostis Angustifolia Wetland Ecosystem Sanjiang Plain
产权排序	Chinese Acad Sci, NE Inst Geog & Agr Ecol; Grad Univ Chinese Acad Sci; Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev.
通讯作者	Liu, JS
作者部门	滨海湿地实验室
英文摘要	The nitrogen (N) distribution and cycling of atmosphere-plant-soil system in the typical meadow Calamagrostis angustifolia wetland (TMCW) and marsh meadow Calamagrostis angustifolia wetland (MMCW) in the Sanjiang plain were studied by a compartment model. The results showed that the N wet deposition amount was 0.757 gN/(m(2).a), and total inorganic N (TIN) was the main body (0.640 gN/(m(2).a)). The ammonia volatilization amounts of TMCW and MMCW soils in growing season were 0.635 and 0.687 gN/m(2), and the denitrification gaseous lost amounts were 0.617 and 0.405 gN/m(2), respectively. In plant subsystem, the N was mainly stored in root and litter. Soil organic N was the main N storage of the two plant-soil systems and the proportions of it were 93.98% and 92.16%, respectively. The calculation results of N turnovers among compartments of TMCW and MMCW showed that the uptake amounts of root were 23.02 and 28.18 gN/(m(2).a) and the values of aboveground were 11.31 and 6.08 gN/(m(2).a), the re-translocation amounts from aboveground to root were 5.96 and 2.70 gN/(m(2).a), the translocation amounts from aboveground living body to litter were 5.35 and 3.38 gN/(m(2).a), the translocation amounts from litter to soil were larger than 1.55 and 3.01 gN/(m(2).a), the translocation amounts from root to soil were 14.90 and 13.17 gN/(m(2).a), and the soil (0-15 cm) N net mineralization amounts were 1.94 and 0.55 gN/(m(2).a), respectively. The study of N balance indicated that the two plant-soil systems might be situated in the status of lacking N, and the status might induce the degradation of C angustifolia wetland.; The nitrogen (N) distribution and cycling of atmosphere-plant-soil system in the typical meadow Calamagrostis angustifolia wetland (TMCW) and marsh meadow Calamagrostis angustifolia wetland (MMCW) in the Sanjiang plain were studied by a compartment model. The results showed that the N wet deposition amount was 0.757 gN/(m(2).a), and total inorganic N (TIN) was the main body (0.640 gN/(m(2).a)). The ammonia volatilization amounts of TMCW and MMCW soils in growing season were 0.635 and 0.687 gN/m(2), and the denitrification gaseous lost amounts were 0.617 and 0.405 gN/m(2), respectively. In plant subsystem, the N was mainly stored in root and litter. Soil organic N was the main N storage of the two plant-soil systems and the proportions of it were 93.98% and 92.16%, respectively. The calculation results of N turnovers among compartments of TMCW and MMCW showed that the uptake amounts of root were 23.02 and 28.18 gN/(m(2).a) and the values of aboveground were 11.31 and 6.08 gN/(m(2).a), the re-translocation amounts from aboveground to root were 5.96 and 2.70 gN/(m(2).a), the translocation amounts from aboveground living body to litter were 5.35 and 3.38 gN/(m(2).a), the translocation amounts from litter to soil were larger than 1.55 and 3.01 gN/(m(2).a), the translocation amounts from root to soil were 14.90 and 13.17 gN/(m(2).a), and the soil (0-15 cm) N net mineralization amounts were 1.94 and 0.55 gN/(m(2).a), respectively. The study of N balance indicated that the two plant-soil systems might be situated in the status of lacking N, and the status might induce the degradation of C angustifolia wetland.
文章类型	Article
收录类别	SCI
语种	英语
关键词[WOS]	PRAIRIE ; SIMULATION ; MARSHES ; FLUXES ; BUDGET
研究领域[WOS]	Environmental Sciences & Ecology
WOS记录号	WOS:000248736600013
引用统计	被引频次：19[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/3427
专题	中国科学院海岸带环境过程与生态修复重点实验室_滨海湿地实验室
作者单位	1.Chinese Acad Sci, NE Inst Geog & Agr Ecol, Changchun 130012, Peoples R China 2.Grad Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
推荐引用方式 GB/T 7714	Sun Zhi-gao,Liu Jing-shuang. Nitrogen cycling of atmosphere-plant-soil system in the typical Calamagrostis angustifolia wetland in the Sanjiang Plain, Northeast China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2007,19(8):986-995.
APA	Sun Zhi-gao,&Liu Jing-shuang.(2007).Nitrogen cycling of atmosphere-plant-soil system in the typical Calamagrostis angustifolia wetland in the Sanjiang Plain, Northeast China.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,19(8),986-995.
MLA	Sun Zhi-gao,et al."Nitrogen cycling of atmosphere-plant-soil system in the typical Calamagrostis angustifolia wetland in the Sanjiang Plain, Northeast China".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 19.8(2007):986-995.

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