Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses a meta-analysis

Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses : a meta-analysis

© 2011 The Authors. New Phytologist © 2011 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 191(2011), 2 vom: 08. Juli, Seite 496-507
1. Verfasser: Limpens, J (VerfasserIn)
Weitere Verfasser: Granath, G, Gunnarsson, U, Aerts, R, Bayley, S, Bragazza, L, Bubier, J, Buttler, A, van den Berg, L J L, Francez, A-J, Gerdol, R, Grosvernier, P, Heijmans, M M P D, Hoosbeek, M R, Hotes, S, Ilomets, M, Leith, I, Mitchell, E A D, Moore, T, Nilsson, M B, Nordbakken, J-F, Rochefort, L, Rydin, H, Sheppard, L J, Thormann, M, Wiedermann, M M, Williams, B L, Xu, B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Meta-Analysis Soil Nitrogen N762921K75
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100 1 |a Limpens, J  |e verfasserin  |4 aut 
245 1 0 |a Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses  |b a meta-analysis 
264 1 |c 2011 
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500 |a Date Revised 23.04.2021 
500 |a published: Print-Electronic 
500 |a CommentIn: New Phytol. 2011 Jul;191(2):309-11. - PMID 21714789 
500 |a Citation Status MEDLINE 
520 |a © 2011 The Authors. New Phytologist © 2011 New Phytologist Trust. 
520 |a Peatlands in the northern hemisphere have accumulated more atmospheric carbon (C) during the Holocene than any other terrestrial ecosystem, making peatlands long-term C sinks of global importance. Projected increases in nitrogen (N) deposition and temperature make future accumulation rates uncertain. Here, we assessed the impact of N deposition on peatland C sequestration potential by investigating the effects of experimental N addition on Sphagnum moss. We employed meta-regressions to the results of 107 field experiments, accounting for sampling dependence in the data. We found that high N loading (comprising N application rate, experiment duration, background N deposition) depressed Sphagnum production relative to untreated controls. The interactive effects of presence of competitive vascular plants and high tissue N concentrations indicated intensified biotic interactions and altered nutrient stochiometry as mechanisms underlying the detrimental N effects. Importantly, a higher summer temperature (mean for July) and increased annual precipitation intensified the negative effects of N. The temperature effect was comparable to an experimental application of almost 4 g N m(-2)  yr(-1) for each 1°C increase. Our results indicate that current rates of N deposition in a warmer environment will strongly inhibit C sequestration by Sphagnum-dominated vegetation 
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700 1 |a Granath, G  |e verfasserin  |4 aut 
700 1 |a Gunnarsson, U  |e verfasserin  |4 aut 
700 1 |a Aerts, R  |e verfasserin  |4 aut 
700 1 |a Bayley, S  |e verfasserin  |4 aut 
700 1 |a Bragazza, L  |e verfasserin  |4 aut 
700 1 |a Bubier, J  |e verfasserin  |4 aut 
700 1 |a Buttler, A  |e verfasserin  |4 aut 
700 1 |a van den Berg, L J L  |e verfasserin  |4 aut 
700 1 |a Francez, A-J  |e verfasserin  |4 aut 
700 1 |a Gerdol, R  |e verfasserin  |4 aut 
700 1 |a Grosvernier, P  |e verfasserin  |4 aut 
700 1 |a Heijmans, M M P D  |e verfasserin  |4 aut 
700 1 |a Hoosbeek, M R  |e verfasserin  |4 aut 
700 1 |a Hotes, S  |e verfasserin  |4 aut 
700 1 |a Ilomets, M  |e verfasserin  |4 aut 
700 1 |a Leith, I  |e verfasserin  |4 aut 
700 1 |a Mitchell, E A D  |e verfasserin  |4 aut 
700 1 |a Moore, T  |e verfasserin  |4 aut 
700 1 |a Nilsson, M B  |e verfasserin  |4 aut 
700 1 |a Nordbakken, J-F  |e verfasserin  |4 aut 
700 1 |a Rochefort, L  |e verfasserin  |4 aut 
700 1 |a Rydin, H  |e verfasserin  |4 aut 
700 1 |a Sheppard, L J  |e verfasserin  |4 aut 
700 1 |a Thormann, M  |e verfasserin  |4 aut 
700 1 |a Wiedermann, M M  |e verfasserin  |4 aut 
700 1 |a Williams, B L  |e verfasserin  |4 aut 
700 1 |a Xu, B  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 191(2011), 2 vom: 08. Juli, Seite 496-507  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
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