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Carbon-nitrogen int...
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Flechard, Chris R.Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-03-26
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Copernicus GmbH,2020
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:651d0ad7-22b2-48e3-91f3-dc85a3c90480
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https://doi.org/10.5194/bg-17-1583-2020DOI
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https://research.chalmers.se/publication/516514URI
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https://research.chalmers.se/publication/516571URI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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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 och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Ibrom, AndreasDanmarks Tekniske Universitet,Technical University of Denmark
(författare)
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Skiba, Ute M.UK Centre For Ecology & Hydrology (UKCEH)
(författare)
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de Vries, WimWageningen University and Research
(författare)
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van Oijen, MarcelUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Cameron, David R.UK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Dise, Nancy B.UK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Korhonen, Janne F. J.Helsingin Yliopisto,University of Helsinki
(författare)
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Buchmann, NinaEidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
(författare)
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Legout, ArnaudInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Simpson, David,1961Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)simpson
(författare)
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Sanz, Maria J.Universidad del Pais Vasco / Euskal Herriko Unibertsitatea,University of the Basque Country (UPV/EHU)
(författare)
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Aubinet, MarcUniversite de Liège,University of Liège
(författare)
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Loustau, DenisInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Montagnani, LeonardoForest Service of Autonomous Province of Bolzano,Free University of Bozen-Bolzano
(författare)
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Neirynck, JohanResearch Institute for Nature and Forest, Brussels
(författare)
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Janssens, Ivan A.Universiteit Antwerpen,University of Antwerp
(författare)
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Pihlatie, MariHelsingin Yliopisto,University of Helsinki
(författare)
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Kiese, RalfKarlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
(författare)
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Siemens, JanJustus-Liebig-Universität Gießen,Justus Liebig University Giessen
(författare)
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Francez, Andre-JeanUniversité de Rennes 1,University of Rennes 1
(författare)
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Augustin, JuergenLeibniz-Zentrum für Agrarlandschaftsforschung (ZALF),Leibniz Centre for Agricultural Landscape Research (ZALF)
(författare)
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Varlagin, AndrejRussian Academy of Sciences
(författare)
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Olejnik, JanuszPoznan University of Life Sciences
(författare)
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Juszczak, RadoslawPoznan University of Life Sciences
(författare)
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Aurela, MikaIllmatieteen Laitos,Finnish Meteorological Institute (FMI)
(författare)
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Berveiller, DanielUniversité Paris-Sud XI,University of Paris-Sud XI
(författare)
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Chojnicki, Bogdan H.Poznan University of Life Sciences
(författare)
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Dammgen, UlrichJohann 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
(författare)
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Delpierre, NicolasUniversité Paris-Sud XI,University of Paris-Sud XI
(författare)
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Djuricic, VesnaMeteorological and Hydrological Service
(författare)
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Drewer, JuliaUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Dufrene, EricUniversité Paris-Sud XI,University of Paris-Sud XI
(författare)
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Eugster, WernerEidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
(författare)
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Fauvel, YannickInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Fowler, DavidUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Frumau, ArnoudNederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek (TNO),Netherlands Organisation for Applied Scientific Research (TNO)
(författare)
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Granier, AndreInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Gross, PatrickInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Hamon, YannickInstitut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE),National Research Institute for Agriculture, Food and the Environment (INRAE)
(författare)
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Helfter, CaroleUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Hensen, ArjanNederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek (TNO),Netherlands Organisation for Applied Scientific Research (TNO)
(författare)
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Horvath, Laszlo
(författare)
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Kitzler, Barbara
(författare)
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Kruijt, BartWageningen University and Research
(författare)
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Kutsch, Werner L.Integrated Carbon Observation System (ICOS ERIC)
(författare)
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Lobo-do-Vale, RaquelUniversidade de Lisboa,University of Lisbon
(författare)
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Lohila, AnnaleaIllmatieteen Laitos,Finnish Meteorological Institute (FMI),Helsingin Yliopisto,University of Helsinki
(författare)
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Longdoz, BernardGembloux Agro-Bio Tech
(författare)
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Marek,Czech Academy of Sciences
(författare)
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Matteucci, GiorgioConsiglio Nazionale delle Ricerche (CNR),National Research Council of Italy (CNR)
(författare)
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Mitosinkova, MartaSlovak Hydrometeorological Institute
(författare)
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Moreaux, VirginieInstitut 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
(författare)
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Neftel, Albrecht
(författare)
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Ourcival, Jean-MarcUniversité de Montpellier,University of Montpellier
(författare)
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Pilegaard, KimDanmarks Tekniske Universitet,Technical University of Denmark
(författare)
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Pita, GabrielInstituto Superior Tecnico
(författare)
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Sanz, Francisco
(författare)
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Schjoerring, Jan K.Köpenhamns universitet,University of Copenhagen
(författare)
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Sebastia, Maria-TeresaUniversidad De Lleida
(författare)
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Tang, Y. SimUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Uggerud, HildeNorsk institutt for luftforskning (NILU),Norwegian Institute for Air Research (NILU)
(författare)
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Urbaniak, MarekPoznan University of Life Sciences
(författare)
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van Dijk, NettyUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Vesala, TimoHelsingin Yliopisto,University of Helsinki
(författare)
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Vidic, SonjaMeteorological and Hydrological Service
(författare)
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Vincke, CarolineUniversite catholique de Louvain
(författare)
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Weidinger, TamasEötvös Loránd University (ELTE)
(författare)
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Zechmeister-Boltenstern, SophieUniversität für Bodenkultur,University of Natural Resources and Life Sciences
(författare)
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Butterbach-Bah, KlausKarlsruher Institut für Technologie (KIT),Karlsruhe Institute of Technology (KIT)
(författare)
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Nemitz, EikoUK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Sutton, Mark A.UK Centre For Ecology & Hydrology (UKCEH)
(författare)
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Institut national de recherche pour l'agriculture, l'alimentation et l'environnement (INRAE)Danmarks Tekniske Universitet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Biogeosciences: Copernicus GmbH17:6, s. 1583-16201726-41701726-4189
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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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