Nitrogen cycling of atmosphere-plant-soil system in the typical Calamagrostis angustifolia wetland in the Sanjiang Plain, Northeast China | |
Sun Zhi-gao![]() | |
发表期刊 | JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
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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 | |
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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