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Weathering, atmospheric deposition and vegetation uptake: role for ecosystem sensitivity to acid deposition and critical load

Moncoulon, David and Probst, Anne and Party, Jean-Paul Weathering, atmospheric deposition and vegetation uptake: role for ecosystem sensitivity to acid deposition and critical load. (2004) Comptes Rendus Geoscience, vol. 3 (n°16). pp. 1417-1426. ISSN 1631-0713

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Official URL: http://dx.doi.org/10.1016/j.crte.2004.09.008

Abstract

Critical loads of acidity represent the maximum acceptable atmospheric deposition for an ecosystem type. Two hundred and forty-one ecosystem types have been defined in France using pedologic, geologic and vegetation data. Weathering rate plays the most important part in soil buffering capacity, but for poor weatherable soils, non-marine atmospheric deposition represents up to 80% of base-cation inputs. Base-cation vegetation uptake decreases significantly the buffering capacity in case of high-productivity forests. Ecosystems combining low weathering rate and low non-marine base-cation deposition with high biomass productivity are the most sensitive to acidification.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Comptes Rendus Geoscience website : http://www.elsevier.com/wps/find/journaldescription.cws_home/600304/description#description
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Institut de Recherche pour le Développement - IRD
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > SOL-CONSEIL (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS
Laboratory name:
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Deposited By:Florence Amor

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