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Carbon-nitrogen int...
Carbon-nitrogen interactions in European forests and semi-natural vegetation - Part 1: Fluxes and budgets of carbon, nitrogen and greenhouse gases from ecosystem monitoring and modelling
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- Flechard, Chris R. (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Ibrom, Andreas (författare)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Skiba, Ute M. (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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visa fler...
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- de Vries, Wim (författare)
- Wageningen University and Research
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- van Oijen, Marcel (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Cameron, David R. (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Dise, Nancy B. (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Korhonen, Janne F. J. (författare)
- Helsingin Yliopisto,University of Helsinki
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- Buchmann, Nina (författare)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
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- Legout, Arnaud (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Simpson, David, 1961 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sanz, Maria J. (författare)
- Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
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- Aubinet, Marc (författare)
- Universite de Liège,University of Liège
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- Loustau, Denis (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Montagnani, Leonardo (författare)
- Forest Service of Autonomous Province of Bolzano,Free University of Bozen-Bolzano
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- Neirynck, Johan (författare)
- Research Institute for Nature and Forest, Brussels
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- Janssens, Ivan A. (författare)
- Universiteit Antwerpen,University of Antwerp
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- Pihlatie, Mari (författare)
- Helsingin Yliopisto,University of Helsinki
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- Kiese, Ralf (författare)
- Karlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
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- Siemens, Jan (författare)
- Justus-Liebig-Universität Gießen,Justus Liebig University Giessen
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- Francez, Andre-Jean (författare)
- Université de Rennes 1,University of Rennes 1
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- Augustin, Juergen (författare)
- Leibniz-Zentrum für Agrarlandschaftsforschung (ZALF),Leibniz Centre for Agricultural Landscape Research (ZALF)
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- Varlagin, Andrej (författare)
- Russian Academy of Sciences
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- Olejnik, Janusz (författare)
- Poznan University of Life Sciences
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- Juszczak, Radoslaw (författare)
- Poznan University of Life Sciences
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- Aurela, Mika (författare)
- Illmatieteen Laitos,Finnish Meteorological Institute (FMI)
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- Berveiller, Daniel (författare)
- Université Paris-Sud XI,University of Paris-Sud XI
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- Chojnicki, Bogdan H. (författare)
- Poznan University of Life Sciences
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- Dammgen, Ulrich (författare)
- Johann Heinrich von Thünen-Institut Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei,Johann Heinrich von Thünen Institute Federal Research Institute for Rural Areas, Forestry and Fisheries
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- Delpierre, Nicolas (författare)
- Université Paris-Sud XI,University of Paris-Sud XI
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- Djuricic, Vesna (författare)
- Meteorological and Hydrological Service
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- Drewer, Julia (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Dufrene, Eric (författare)
- Université Paris-Sud XI,University of Paris-Sud XI
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- Eugster, Werner (författare)
- Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
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- Fauvel, Yannick (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Fowler, David (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Frumau, Arnoud (författare)
- Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek (TNO),Netherlands Organisation for Applied Scientific Research (TNO)
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- Granier, Andre (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Gross, Patrick (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Hamon, Yannick (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
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- Helfter, Carole (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Hensen, Arjan (författare)
- Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek (TNO),Netherlands Organisation for Applied Scientific Research (TNO)
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Horvath, Laszlo (författare)
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Kitzler, Barbara (författare)
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- Kruijt, Bart (författare)
- Wageningen University and Research
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- Kutsch, Werner L. (författare)
- Integrated Carbon Observation System (ICOS ERIC)
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- Lobo-do-Vale, Raquel (författare)
- Universidade de Lisboa,University of Lisbon
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- Lohila, Annalea (författare)
- Illmatieteen Laitos,Finnish Meteorological Institute (FMI),Helsingin Yliopisto,University of Helsinki
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- Longdoz, Bernard (författare)
- Gembloux Agro-Bio Tech
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- Marek, (författare)
- Czech Academy of Sciences
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- Matteucci, Giorgio (författare)
- Consiglio Nazionale delle Ricerche (CNR),National Research Council of Italy (CNR)
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- Mitosinkova, Marta (författare)
- Slovak Hydrometeorological Institute
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- Moreaux, Virginie (författare)
- Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE),Université Grenoble Alpes,Grenoble Alpes University
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Neftel, Albrecht (författare)
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- Ourcival, Jean-Marc (författare)
- Université de Montpellier,University of Montpellier
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- Pilegaard, Kim (författare)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Pita, Gabriel (författare)
- Instituto Superior Tecnico
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Sanz, Francisco (författare)
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- Schjoerring, Jan K. (författare)
- Köpenhamns universitet,University of Copenhagen
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- Sebastia, Maria-Teresa (författare)
- Universidad De Lleida
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- Tang, Y. Sim (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Uggerud, Hilde (författare)
- Norsk institutt for luftforskning (NILU),Norwegian Institute for Air Research (NILU)
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- Urbaniak, Marek (författare)
- Poznan University of Life Sciences
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- van Dijk, Netty (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Vesala, Timo (författare)
- Helsingin Yliopisto,University of Helsinki
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- Vidic, Sonja (författare)
- Meteorological and Hydrological Service
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- Vincke, Caroline (författare)
- Universite catholique de Louvain
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- Weidinger, Tamas (författare)
- Eötvös Loránd University (ELTE)
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- Zechmeister-Boltenstern, Sophie (författare)
- Universität für Bodenkultur,University of Natural Resources and Life Sciences
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- Butterbach-Bah, Klaus (författare)
- Karlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
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- Nemitz, Eiko (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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- Sutton, Mark A. (författare)
- UK Centre For Ecology & Hydrology (UKCEH)
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(creator_code:org_t)
- 2020-03-26
- 2020
- Engelska.
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Ingår i: Biogeosciences. - : Copernicus GmbH. - 1726-4170 .- 1726-4189. ; 17:6, s. 1583-1620
- Relaterad länk:
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https://research.cha... (primary) (free)
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https://bg.copernicu...
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https://doi.org/10.5...
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Abstract
Ämnesord
Stäng
- The impact of atmospheric reactive nitrogen (N-r) deposition on carbon (C) sequestration in soils and biomass of unfertilized, natural, semi-natural and forest ecosystems has been much debated. Many previous results of this dC/dN response were based on changes in carbon stocks from periodical soil and ecosystem inventories, associated with estimates of N-r deposition obtained from large-scale chemical transport models. This study and a companion paper (Flechard et al., 2020) strive to reduce uncertainties of N effects on C sequestration by linking multi-annual gross and net ecosystem productivity estimates from 40 eddy covariance flux towers across Europe to local measurement-based estimates of dry and wet N-r deposition from a dedicated collocated monitoring network. To identify possible ecological drivers and processes affecting the interplay between C and N-r inputs and losses, these data were also combined with in situ flux measurements of NO, N2O and CH4 fluxes; soil NO3- leaching sampling; and results of soil incubation experiments for N and greenhouse gas (GHG) emissions, as well as surveys of available data from online databases and from the literature, together with forest ecosystem (BAS-FOR) modelling. Multi-year averages of net ecosystem productivity (NEP) in forests ranged from -70 to 826 gCm(-2) yr(-1) at total wet + dry inorganic N-r deposition rates (N-dep) of 0.3 to 4.3 gNm(-2) yr(-1) and from -4 to 361 g Cm-2 yr(-1) at N-dep rates of 0.1 to 3.1 gNm(-2) yr(-1) in short semi-natural vegetation (moorlands, wetlands and unfertilized extensively managed grasslands). The GHG budgets of the forests were strongly dominated by CO2 exchange, while CH4 and N2O exchange comprised a larger proportion of the GHG balance in short semi-natural vegetation. Uncertainties in elemental budgets were much larger for nitrogen than carbon, especially at sites with elevated N-dep where N-r leaching losses were also very large, and compounded by the lack of reliable data on organic nitrogen and N-2 losses by denitrification. Nitrogen losses in the form of NO, N2O and especially NO3- were on average 27%(range 6 %-54 %) of N-dep at sites with N-dep < 1 gNm(-2) yr(-1) versus 65% (range 35 %-85 %) for N-dep > 3 gNm(-2) yr(-1). Such large levels of N-r loss likely indicate that different stages of N saturation occurred at a number of sites. The joint analysis of the C and N budgets provided further hints that N saturation could be detected in altered patterns of forest growth. Net ecosystem productivity increased with N-r deposition up to 2-2.5 gNm(-2) yr(-1), with large scatter associated with a wide range in carbon sequestration efficiency (CSE, defined as the NEP/GPP ratio). At elevated N-dep levels (> 2.5 gNm(-2) yr(-1)), where inorganic N-r losses were also increasingly large, NEP levelled off and then decreased. The apparent increase in NEP at low to intermediate N-dep levels was partly the result of geographical cross-correlations between N-dep and climate, indicating that the actual mean dC/dN response at individual sites was significantly lower than would be suggested by a simple, straightforward regression of NEP vs. N-dep.
Ämnesord
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
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Flechard, Chris ...
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Ibrom, Andreas
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Skiba, Ute M.
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de Vries, Wim
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van Oijen, Marce ...
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Cameron, David R ...
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visa fler...
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Dise, Nancy B.
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Korhonen, Janne ...
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Buchmann, Nina
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Legout, Arnaud
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Simpson, David, ...
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Sanz, Maria J.
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Aubinet, Marc
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Loustau, Denis
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Montagnani, Leon ...
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Neirynck, Johan
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Janssens, Ivan A ...
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Pihlatie, Mari
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Kiese, Ralf
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Siemens, Jan
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Francez, Andre-J ...
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Augustin, Juerge ...
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Varlagin, Andrej
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Olejnik, Janusz
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Juszczak, Radosl ...
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Aurela, Mika
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Berveiller, Dani ...
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Chojnicki, Bogda ...
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Dammgen, Ulrich
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Delpierre, Nicol ...
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Djuricic, Vesna
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Drewer, Julia
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Dufrene, Eric
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Eugster, Werner
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Fauvel, Yannick
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Fowler, David
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Frumau, Arnoud
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Granier, Andre
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Gross, Patrick
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Hamon, Yannick
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Helfter, Carole
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Hensen, Arjan
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Horvath, Laszlo
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Kitzler, Barbara
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Kruijt, Bart
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Kutsch, Werner L ...
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Lobo-do-Vale, Ra ...
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Lohila, Annalea
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Longdoz, Bernard
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Marek,
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Matteucci, Giorg ...
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Mitosinkova, Mar ...
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Moreaux, Virgini ...
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Neftel, Albrecht
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Ourcival, Jean-M ...
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Pilegaard, Kim
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Pita, Gabriel
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Sanz, Francisco
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Schjoerring, Jan ...
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Sebastia, Maria- ...
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Tang, Y. Sim
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Uggerud, Hilde
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Urbaniak, Marek
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van Dijk, Netty
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Vesala, Timo
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Vidic, Sonja
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Vincke, Caroline
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Weidinger, Tamas
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Zechmeister-Bolt ...
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Butterbach-Bah, ...
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Nemitz, Eiko
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Sutton, Mark A.
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