globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12935
Scopus记录号: 2-s2.0-85043316184
论文题名:
Elevated CO2 and water addition enhance nitrogen turnover in grassland plants with implications for temporal stability
作者: Dijkstra F.A.; Carrillo Y.; Blumenthal D.M.; Mueller K.E.; LeCain D.R.; Morgan J.A.; Zelikova T.J.; Williams D.G.; Follett R.F.; Pendall E.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:5
起始页码: 674
结束页码: 682
语种: 英语
英文关键词: 15N stable isotopes ; global warming ; grassland species ; nitrogen cycling ; plant uptake ; pulse-chase ; reallocation ; resorption ; semi-arid
英文摘要: Temporal variation in soil nitrogen (N) availability affects growth of grassland communities that differ in their use and reuse of N. In a 7-year-long climate change experiment in a semi-arid grassland, the temporal stability of plant biomass production varied with plant N turnover (reliance on externally acquired N relative to internally recycled N). Species with high N turnover were less stable in time compared to species with low N turnover. In contrast, N turnover at the community level was positively associated with asynchrony in biomass production, which in turn increased community temporal stability. Elevated CO2 and summer irrigation, but not warming, enhanced community N turnover and stability, possibly because treatments promoted greater abundance of species with high N turnover. Our study highlights the importance of plant N turnover for determining the temporal stability of individual species and plant communities affected by climate change. © 2018 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107452
Appears in Collections:气候减缓与适应

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作者单位: School of Life and Environmental Sciences, Sydney Institute of Agriculture, The University of Sydney, Camden, NSW, Australia; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia; Rangeland Resources & Systems Research Unit, Agricultural Research Service, United States Department of Agriculture, Fort Collins, CO, United States; Department of Biological, Geological, and Environmental Sciences, Cleveland State University, Cleveland, OH, United States; Department of Botany, University of Wyoming, Laramie, WY, United States; Agricultural Research Service, Soil Plant and Nutrient Research Unit, United States Department of Agriculture, Fort CollinsCO, United States

Recommended Citation:
Dijkstra F.A.,Carrillo Y.,Blumenthal D.M.,et al. Elevated CO2 and water addition enhance nitrogen turnover in grassland plants with implications for temporal stability[J]. Ecology Letters,2018-01-01,21(5)
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