1. Semi-empirical modeling of abiotic and biotic factors controlling ecosystem respiration across eddy covariance sites
- Author
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Migliavacca, M., Reichstein, M., Richardson, A.D., Colombo, R., Sutton, M.A., Lasslop, E., Tomelleri, E., Wohlfahrt, G., Carvalhais, N., Cescatti, A., Mahecha, D., Montagnani, L., Papale, D., Zaehle, S., Arain, A., Arneth, A., Black, T.A., Carrara, A., Dore, S., Gianelle, D., Helfter, C., Hollinger, D., Kutsch, W.L., Lafleur, P.M., Nouvellon, Y., Rebmann, C., Da Rocha, H.R., Rodeghiero, M., Roupsard, O., Sebastià, M.-T., Seufert, G., Soussana, J.-F., van der Molen, M.K., Remote Sensing of Environmental Dynamics, University of Milano-Bicocca, Department of Biogeochemical Integration [Jena], Max Planck Institute for Biogeochemistry (MPI-BGC), Max-Planck-Gesellschaft-Max-Planck-Gesellschaft, Department of Organismic and Evolutionary Biology [Cambridge] (OEB), Harvard University [Cambridge], Edinburgh Research Station, Centre for Ecology and Hydrology, Institute of Ecology, University of Innsbruck, Faculdade de Ciências e Tecnologia (FCT NOVA), Universidade Nova de Lisboa (NOVA), JRC Institute for Environment and Sustainability (IES), European Commission - Joint Research Centre [Ispra] (JRC), Department of Environmental Sciences, Swiss Federal Institute of Technology, Servizi Forestali, Provincia Autonoma di Bolzano, Agenzia per l'Ambiente, DISAFRI, University of Tuscia, Biogeochemical Systems Department [Jena], School of Geography & Earth Sciences, McMaster University [Hamilton, Ontario], Department of Physical Geography and Ecosystem Science [Lund], Lund University [Lund], Faculty of Land and Food Systems, University of British Columbia (UBC), School of Forestry, Northern Arizona University [Flagstaff], Centro di Ecologia Alpina, Fondazione Edmund Mach - Edmund Mach Foundation [Italie] (FEM), NE Research Station, USDA Forest Service, Institut für Agrarrelevante Klimaforschung, Johann Heinrich von Thünen Institut, College of Forestry [Corvallis], Oregon State University (OSU), 20- Department of Geography, Trent University, Département Performances des systèmes de production et de transformation tropicaux (Cirad-PERSYST), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad), Department Biogeochemical Processes [Jena], Micrometeorology Group [Bayreuth], Universität Bayreuth, Department of Atmospheric Sciences [São Paulo], University of São Paulo (USP), CATIE, Centro Agronómico Tropical de Investigación y Enseñanza, Agronomical Engineering School, Universitat de Lleida, Laboratory of Plant Ecology and Botany, Forest Technology Centre of Catalonia, Institut National de la Recherche Agronomique (INRA), Department of Hydrology and Geo-Environmental Sciences [Amsterdam], Vrije Universiteit Amsterdam [Amsterdam] (VU), Università degli Studi di Milano-Bicocca [Milano] (UNIMIB), Faculdade de Ciências e Tecnologia = School of Science & Technology (FCT NOVA), Universidade Nova de Lisboa = NOVA University Lisbon (NOVA), Department of Environmental Systems Science [ETH Zürich] (D-USYS), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich] (ETH Zürich), Centro Agronómico Tropical de Investigación y Enseñanza - Tropical Agricultural Research and Higher Education Center (CATIE), Centre de Ciència i Tecnologia Forestal de Catalunya (CTFC), CarboEuropeIP, FAO-GTOS-TCO, iLEAPS, Max Planck Institute for Biogeochemistry, National Science Foundation, US Department of Energy, Model-Data Integration Group of the Max-Planck Institute for Biogeochemistry, Migliavacca, M, Reichstein, M, Richardson, A, Colombo, R, Sutton, M, Lasslop, G, Tomelleri, E, Wohlfahrt, G, Carvalhais, N, Cescatti, A, Mahecha, M, Montagnani, L, Papale, D, Zaehle, S, Arain, A, Arneth, A, Black, T, Carrara, A, Dore, S, Gianelle, D, Helfter, C, Hollinger, D, Kutsch, W, Lafleur, P, Nouvellon, Y, Rebmann, C, Humberto, R, Rodeghiero, M, Roupsard, O, Sebastià, M, Seufert, G, Soussana, J, Michiel, K, and Hydrology and Geo-environmental sciences
- Subjects
Ecosystem respiration ,[SDV]Life Sciences [q-bio] ,FLUXNET ,Eddy covariance ,Facteur climatique ,Prairie ,Productivité ,Savane ,Productivity ,U10 - Informatique, mathématiques et statistiques ,Respiration ,Indice de surface foliaire ,000 - Autres thèmes ,Life Sciences ,Leaf area index ,Forêt ,Écosystème ,Zone tropicale ,P33 - Chimie et physique du sol ,Carbone ,F40 - Écologie végétale ,Matière organique du sol ,Zone tempérée ,Zone froide ,Settore BIO/07 - ECOLOGIA ,SDG 14 - Life Below Water ,Modélisation environnementale ,Changement climatique ,technology, industry, and agriculture ,Zone méditerranéenne ,Inverse modeling ,GEO/10 - GEOFISICA DELLA TERRA SOLIDA - Abstract
In this study we examined ecosystem respiration (RECO) data from 104 sites belonging to FLUXNET, the global network of eddy covariance flux measurements. The goal was to identify the main factors involved in the variability of RECO: temporally and between sites as affected by climate, vegetation structure and plant functional type (PFT) (evergreen needleleaf, grasslands, etc.). We demonstrated that a model using only climate drivers as predictors of RECO failed to describe part of the temporal variability in the data and that the dependency on gross primary production (GPP) needed to be included as an additional driver of RECO. The maximum seasonal leaf area index (LAIMAX) had an additional effect that explained the spatial variability of reference respiration (the respiration at reference temperature Tref=15°C, without stimulation introduced by photosynthetic activity and without water limitations), with a statistically significant linear relationship (r2=0.52, p70% of the variance for most vegetation types. Exceptions include tropical and Mediterranean broadleaf forests and deciduous broadleaf forests. Part of the variability in respiration that could not be described by our model may be attributed to a series of factors, including phenology in deciduous broadleaf forests and management practices in grasslands and croplands., JRC.H.2-Air and Climate
- Published
- 2010