Circadian rhythms have significant effects on leaf-to-canopy scale gas exchange under field conditions

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2016Author
Gessler, Arthur
Bahn, Michael
Castillo Díaz, Jorge del
Devidal, Sébastien
García Muñoz, Sonia
Kayler, Zachary
Landais, Damien
Milcu, Alexandru
Piel, Clément
Pirhofer Walzl, Karin
Ravel, Olivier
Salekin, Serajis
Tissue, David T.
Tjoelker, Mark G.
Roy, Jacques
Suggested citation
Resco de Dios, Víctor;
Gessler, Arthur;
Ferrio Díaz, Juan Pedro;
Alday, Josu G.;
Bahn, Michael;
Castillo Díaz, Jorge del;
...
Roy, Jacques.
(2016)
.
Circadian rhythms have significant effects on leaf-to-canopy scale gas exchange under field conditions.
GigaScience, 2016, vol. 16, núm.43.
https://doi.org/10.1186/s13742-016-0149-y.
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Molecular clocks drive oscillations in leaf photosynthesis, stomatal conductance, and other cell and leaf-level processes over ~24 h under controlled laboratory conditions. The influence of such circadian regulation over whole-canopy fluxes remains uncertain; diurnal CO2 and H2O vapor flux dynamics in the field are currently interpreted as resulting almost exclusively from direct physiological responses to variations in light, temperature and other environmental factors. We tested whether circadian regulation would affect plant and canopy gas exchange at the Montpellier European Ecotron. Canopy and leaf-level fluxes were constantly monitored under field-like environmental conditions, and under constant environmental conditions (no variation in temperature, radiation, or other environmental cues).
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GigaScience, 2016, vol. 16, núm.43European research projects
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