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Global forest carbon uptake due to nitrogen and phosphorus deposition from 1850 to 2100
Wang, Rong (Laboratoire des Sciences du Climat et de l'Environment)
Goll, Daniel (Laboratoire des Sciences du Climat et de l'Environment)
Balkanski, Yves (Laboratoire des Sciences du Climat et de l'Environment)
Hauglustaine, Didier (Laboratoire des Sciences du Climat et de l'Environment)
Boucher, Olivier (Université de Paris VII. Laboratoire de Météorologie Dynamique)
Ciais, Philippe (Laboratoire des Sciences du Climat et de l'Environment)
Janssens, Ivan (Universiteit Antwerpen. Departement Biologie)
Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Guenet, Bertrand (Laboratoire des Sciences du Climat et de l'Environnement)
Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Bopp, Laurent (Laboratoire des Sciences du Climat et de l'Environment)
Vuichard, Nicolas (Laboratoire des Sciences du Climat et de l'Environment)
Zhou, Feng (Beijing da xue. College of Urban and Environmental Sciences)
Li, Bengang (Beijing da xue. College of Urban and Environmental Sciences)
Piao, Shilong (Beijing da xue. College of Urban and Environmental Sciences)
Peng, Shushi (Beijing da xue. College of Urban and Environmental Sciences)
Huang, Ye (Laboratoire des Sciences du Climat et de l'Environment)
Tao, Shu (Beijing da xue. College of Urban and Environmental Sciences)

Data: 2017
Resum: Spatial patterns and temporal trends of nitrogen (N) and phosphorus (P) deposition are important for quantifying their impact on forest carbon (C) uptake. In a first step, we modeled historical and future change in the global distributions of the atmospheric deposition of N and P from the dry and wet deposition of aerosols and gases containing N and P. Future projections were compared between two scenarios with contrasting aerosol emissions. Modeled fields of N and P deposition and P concentration were evaluated using globally distributed in situ measurements. N deposition peaked around 1990 in European forests and around 2010 in East Asian forests, and both increased sevenfold relative to 1850. P deposition peaked around 2010 in South Asian forests and increased 3. 5-fold relative to 1850. In a second step, we estimated the change in C storage in forests due to the fertilization by deposited N and P (∆Cν dep), based on the retention of deposited nutrients, their allocation within plants, and C:N and C:P stoichiometry. ∆Cν dep for 1997-2013 was estimated to be 0. 27 ± 0. 13 Pg C year−1 from N and 0. 054 ± 0. 10 Pg C year−1 from P, contributing 9% and 2% of the terrestrial C sink, respectively. Sensitivity tests show that uncertainty of ∆Cν dep was larger from P than from N, mainly due to uncertainty in the fraction of deposited P that is fixed by soil. ∆CP dep was exceeded by ∆CN dep over 1960-2007 in a large area of East Asian and West European forests due to a faster growth in N deposition than P. Our results suggest a significant contribution of anthropogenic P deposition to C storage, and additional sources of N are needed to support C storage by P in some Asian tropical forests where the deposition rate increased even faster for P than for N.
Ajuts: European Commission 610028
European Commission 628735
Nota: Agraïments: The authors thank Ether/ECCAD for the distribution of emissions used in this study. This study was funded by FABIO, a Marie Curie International Incoming Fellowship funded by the European Commission (Project No 628735) and the IMBALANCE-P project of the European Research Council (ERC-2013-SyG-610028). The simulations were performed using DSM-CCRT resources under the GENCI (Grand Equipement National de Calcul Intensif) allocation of computer time (grant 2016-t2014012201).
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Matèria: Aerosol ; Forest carbon sink ; Nitrogen deposition ; Nutrient limitation ; Nutrient retention ; Phosphorus deposition ; Stoichiometry
Publicat a: Global change biology, Vol. 23, issue 11 (Nov. 2017) , p. 4854-4872, ISSN 1365-2486

DOI: 10.1111/gcb.13766


Post-print
33 p, 2.0 MB

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals) > Imbalance-P
Articles > Articles de recerca
Articles > Articles publicats

 Registre creat el 2017-06-26, darrera modificació el 2024-02-14



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