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USIFlux SIGNED

Unveiling Stomata 24/7: Using Stable Isotopes and COS to quantify diurnal and nocturnal carbon and water vegetation-atmosphere Fluxes under future climate scenarios

Total Cost €

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EC-Contrib. €

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Partnership

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Project "USIFlux" data sheet

The following table provides information about the project.

Coordinator
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE 

Organization address
address: Rue De L'Universite 147
city: PARIS CEDEX 07
postcode: 75338
website: www.inra.fr

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website https://www.bordeaux.inra.fr/ispa-ecofun/wordpress/index.php/projects/ub-idex-usiflux-2014-2016/
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2018-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE FR (PARIS CEDEX 07) coordinator 173˙076.00

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 Project objective

Rising atmospheric CO2 concentration, increasing temperature and altered precipitation patterns dramatically impact the terrestrial biosphere with important consequences for all biogeochemical cycles. Predictions of carbon (C) and water exchange between vegetation and the atmosphere require detailed mechanistic understanding of how plants control water loss and C gain through their stomatal pores. Currently, global circulation models incorporate formulations of stomatal conductance (gs) based on stomatal optimisation theory. However, these models ignore gs regulation: (1) during night time, despite clear evidence for significant nocturnal transpiration, (2) in non-vascular plants and (3) during leaf development and senescence. To reduce the uncertainty associated with current C and water fluxes in models, we need to incorporate robust predictions of gs in response to novel environmental conditions (higher temperature, decreased water availability and elevated CO2). To fill these gaps, USIFlux, will develop a novel tracing technique to measure gs during the dark, when fluxes are an order of magnitude smaller than during the day. To do so, we will combine measurements of COS (carbonyl sulphide) uptake with CO18O fluxes and changes in the oxygen isotope composition (δ18O) of water in leaves. We will relate the response of gs at night to changes in gs during the day and in response to drought and elevated CO2. These measurements will be coupled to an experiment to investigate stomatal regulation during leaf ontogeny and in different life forms. Here, we will challenge the stomatal optimisation theory in life forms lacking active stomatal control (mosses and brackens) and during leaf development, when leaf construction costs constrain the optimisation of C gain. Empirical formulations arising from these experiments will be incorporated into large-scale soil-vegetation-atmosphere transfer models to explore their impact at larger scales.

 Publications

year authors and title journal last update
List of publications.
2018 Teresa E. Gimeno, Tim R. McVicar, Anthony P. O\'Grady, David T. Tissue, David S. Ellsworth
Elevated CO 2 did not affect the hydrological balance of a mature native Eucalyptus woodland
published pages: 3010-3024, ISSN: 1354-1013, DOI: 10.1111/gcb.14139
Global Change Biology 24/7 2019-06-07
2018 Mary E. Whelan, Sinikka T. Lennartz, Teresa E. Gimeno, Richard Wehr, Georg Wohlfahrt, Yuting Wang, Linda M. J. Kooijmans, Timothy W. Hilton, Sauveur Belviso, Philippe Peylin, Róisín Commane, Wu Sun, Huilin Chen, Le Kuai, Ivan Mammarella, Kadmiel Maseyk, Max Berkelhammer, King-Fai Li, Dan Yakir, Andrew Zumkehr, Yoko Katayama, Jérôme Ogée, Felix M. Spielmann, Florian Kitz, Bharat Rastogi, Jürgen Kesselmeier, Julia Marshall, Kukka-Maaria Erkkilä, Lisa Wingate, Laura K. Meredith, Wei He, Rüdiger Bunk, Thomas Launois, Timo Vesala, Johan A. Schmidt, Cédric G. Fichot, Ulli Seibt, Scott Saleska, Eric S. Saltzman, Stephen A. Montzka, Joseph A. Berry, J. Elliott Campbell
Reviews and syntheses: Carbonyl sulfide as a multi-scale tracer for carbon and water cycles
published pages: 3625-3657, ISSN: 1726-4189, DOI: 10.5194/bg-15-3625-2018
Biogeosciences 15/12 2019-06-07
2016 Remko A. Duursma, Teresa E. Gimeno, Matthias M. Boer, Kristine Y. Crous, Mark G. Tjoelker, David S. Ellsworth
Canopy leaf area of a mature evergreen Eucalyptus woodland does not respond to elevated atmospheric [CO 2 ] but tracks water availability
published pages: 1666-1676, ISSN: 1354-1013, DOI: 10.1111/gcb.13151
Global Change Biology 22/4 2019-06-07
2016 Belinda E. Medlyn, Martin G. De Kauwe, Sönke Zaehle, Anthony P. Walker, Remko A. Duursma, Kristina Luus, Mikhail Mishurov, Bernard Pak, Benjamin Smith, Ying-Ping Wang, Xiaojuan Yang, Kristine Y. Crous, John E. Drake, Teresa E. Gimeno, Catriona A. Macdonald, Richard J. Norby, Sally A. Power, Mark G. Tjoelker, David S. Ellsworth
Using models to guide field experiments: a priori predictions for the CO 2 response of a nutrient- and water-limited native Eucalypt woodland
published pages: 2834-2851, ISSN: 1354-1013, DOI: 10.1111/gcb.13268
Global Change Biology 22/8 2019-06-07

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