Academic Journal
Atmospheric deposition, COâ‚‚, and change in the land carbon sink
| العنوان: | Atmospheric deposition, COâ‚‚, and change in the land carbon sink |
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| المؤلفون: | Fernández-MartÃnez, Marcos, Vicca, Sara, Peñuelas, Josep, Janssens, Ivan, Ciais, Philippe, Obersteiner, Michael, Bartrons Vilamala, Mireia, Sardans i Galobart, Jordi, Verger, Aleixandre, Canadell, Josep G., Chevallier, Frédéric, Wang, Xuhui, Bernhofer, Christian, Curtis, Peter S., Gianelle, Daminao, Grünwald, Thomas, Heinesch, Bernhard, Ibrom, Andreas, Knohl, Alexander, Laurila, Tuomas, Law, Beverly, Limousin, Jean-Marc, Longdoz, Bernard, Loustau, Denis, Mammarella, Ivan, Matteucci, Giorgio, Monson, Russell K., Montagnani, Leonardo, Moors, Eddy J., Munger, J. William, Papale, Dario, Piao, Shilonog Long |
| سنة النشر: | 2017 |
| المجموعة: | Universitat Autònoma de Barcelona: Dipòsit Digital de Documents de la UAB |
| مصطلحات موضوعية: | Carbon cycle, Climate-change ecology, Forest ecology |
| الوصف: | Concentrations of atmospheric carbon dioxide (COâ‚‚) have continued to increase whereas atmospheric deposition of sulphur and nitrogen has declined in Europe and the USA during recent decades. Using time series of flux observations from 23 forests distributed throughout Europe and the USA, and generalised mixed models, we found that forest-level net ecosystem production and gross primary production have increased by 1% annually from 1995 to 2011. Statistical models indicated that increasing atmospheric COâ‚‚ was the most important factor driving the increasing strength of carbon sinks in these forests. We also found that the reduction of sulphur deposition in Europe and the USA lead to higher recovery in ecosystem respiration than in gross primary production, thus limiting the increase of carbon sequestration. By contrast, trends in climate and nitrogen deposition did not significantly contribute to changing carbon fluxes during the studied period. Our findings support the hypothesis of a general COâ‚‚-fertilization effect on vegetation growth and suggest that, so far unknown, sulphur deposition plays a significant role in the carbon balance of forests in industrialized regions. Our results show the need to include the effects of changing atmospheric composition, beyond COâ‚‚, to assess future dynamics of carbon-climate feedbacks not currently considered in earth system/climate modelling. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| ردمك: | 978-0-00-408535-7 0-00-408535-3 |
| Relation: | European Commission 610028; Ministerio de EconomÃa y Competitividad CGL2013-48074-P; Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR--274; Scientific reports; Vol. 7, art. 9632 (2017); https://ddd.uab.cat/record/182379; urn:10.1038/s41598-017-08755-8; urn:oai:ddd.uab.cat:182379; urn:pmid:28851977; urn:scopus_id:85028458998; urn:wos_id:000408535300016; urn:altmetric_id:24464411; urn:pmc-uid:5574890; urn:pmcid:PMC5574890; urn:oai:pubmedcentral.nih.gov:5574890 |
| الاتاحة: | https://ddd.uab.cat/record/182379 |
| Rights: | open access ; Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. ; https://creativecommons.org/licenses/by/4.0/ |
| رقم الانضمام: | edsbas.E882B827 |
| قاعدة البيانات: | BASE |
| ردمك: | 9780004085357 0004085353 |
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