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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Reduction of forest soil respiration in response to nitrogen deposition
Author(s): Janssens, Ivan
Dieleman, Wouter
Luyssaert, Sebastiaan
Subke, Jens-Arne
Reichstein, Markus
Ceulemans, Reinhart
Ciais, Philippe
Dolman, A Johannes
Grace, John
Matteucci, Giorgio
Papale, Dario
Piao, Shi-Long
Schulze, Ernst-Detlef
Tang, Jianwu
Law, Beverly E
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Soil aeration Environmental aspects
Soils Nitrogen content
Forest ecology
Issue Date: May-2010
Date Deposited: 6-Sep-2011
Citation: Janssens I, Dieleman W, Luyssaert S, Subke J, Reichstein M, Ceulemans R, Ciais P, Dolman AJ, Grace J, Matteucci G, Papale D, Piao S, Schulze E, Tang J & Law BE (2010) Reduction of forest soil respiration in response to nitrogen deposition. Nature Geoscience, 3 (5), pp. 315-322.;
Abstract: The use of fossil fuels and fertilizers has increased the amount of biologically reactive nitrogen in the atmosphere over the past century. As a consequence, forests in industrialized regions have experienced greater rates of nitrogen deposition in recent decades. This unintended fertilization has stimulated forest growth, but has also affected soil microbial activity, and thus the recycling of soil carbon and nutrients. A meta-analysis suggests that nitrogen deposition impedes organic matter decomposition, and thus stimulates carbon sequestration, in temperate forest soils where nitrogen is not limiting microbial growth. The concomitant reduction in soil carbon emissions is substantial, and equivalent in magnitude to the amount of carbon taken up by trees owing to nitrogen fertilization. As atmospheric nitrogen levels continue to rise, increased nitrogen deposition could spread to older, more weathered soils, as found in the tropics; however, soil carbon cycling in tropical forests cannot yet be assessed.
DOI Link: 10.1038/ngeo844
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