Variability in carbon exchange of European croplands (Articolo in rivista)

Type
Label
  • Variability in carbon exchange of European croplands (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.agee.2010.04.013 (literal)
Alternative label
  • Moors E.J., Jacobs C., Jans W., Supit W., Kutsch W.L., Bernhofer C., Béziat P., Buchmann N., Carrara A., Ceschia E., Elbers J., Eugster W., Kruijt B., Loubet B., Magliulo V., Moureaux C., Olioso A., Saunders M., Soegaard H. (2010)
    Variability in carbon exchange of European croplands
    in Agriculture, ecosystems & environment (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Moors E.J., Jacobs C., Jans W., Supit W., Kutsch W.L., Bernhofer C., Béziat P., Buchmann N., Carrara A., Ceschia E., Elbers J., Eugster W., Kruijt B., Loubet B., Magliulo V., Moureaux C., Olioso A., Saunders M., Soegaard H. (literal)
Pagina inizio
  • 325 (literal)
Pagina fine
  • 335 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 139 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Johann Heinrich von Thünen-Institut, Institute for Agricultural Climate Research, Braunschweig, Germany b Unit of Biosystem Physics, Faculté Universitaire des Sciences Agronomiques, Gembloux, Belgium c ETH Zurich, Institute of Plant, Animal and Agroecosystem Sciences, Dept. of Agricultural and Food Sciences, Zurich, Switzerland d Institute of Biological and Environmental Sciences, School of Biological Sciences, University of Aberdeen, Cruickshank Building, St Machar Drive, Aberdeen, AB24 3UU Scotland, UK e School of Biology and Environmental Science, University College Dublin, Belfield, Dublin 4, Ireland f Max-Planck-Institute for Biogeochemistry, Jena, Germany g CESBIO, UMR 5126 - CNES-CNRS-UPS-IRD, 18 Avenue Edouard Belin, 31401 Toulouse cedex 9, France h Technische Universität Dresden, Department of Meteorology, Tharandt, Germany i Fundación CEAM, c/Charles Darwin 14, Parque Tecnológico, 46980 Paterna, Spain j CNR Institute for Agricultural and Forest Systems, Via Patacca 85, 80056 Ercolano, Napoli, Italy k School of Natural Sciences, Department of Botany, Trinity College Dublin, Dublin 2, Ireland l INRA, UMR 1114 INRA-UAPV, Domaine Saint Paul, Site Agroparc, F-84914 Avignon, France m Department of Geography and Geology, University of Kopenhagen, Oster Voldgade 10, DK-1350 Copenhagen, Denmark (literal)
Titolo
  • Variability in carbon exchange of European croplands (literal)
Abstract
  • : The estimated net ecosystem exchange (NEE) of CO(2) based on measurements at 17 flux sites in Europe for 45 cropping periods showed an average loss of -38 gC m(-2) per cropping period. The cropping period is defined as the period after sowing or planting until harvest. The variability taken as the standard deviation of these cropping periods was 251 gC m(-2). These numbers do not include lateral inputs such as the carbon content of applied manure, nor the carbon exchange out of the cropping period. Both are expected to have a major effect on the C budget of high energy summer crops such as maize. NEE and gross primary production (GPP) can be estimated by crop net primary production based on inventories of biomass at these sites, independent of species and regions. NEE can also be estimated by the product of photosynthetic capacity and the number of days with the average air temperature >5 degrees C. Yield measured at these sites or reported at the NUTS2 level dataset of EUROSTAT is a relatively poor predictor of NEE. To investigate the difference in the variability in CO(2) emissions of different crops at the same location and to compare this variation with the variation of the same crop at different locations and with the inter-annual variation the measured dataset at the flux sites was extended with simulated data. These simulations show that the variability in carbon exchange is determined by firstly the choice of crop and the location and to a lesser extent by the yearly differences in climate. (literal)
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