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Day length regulates seasonal patterns of stomatal conductance in Quercus species.
Journal article

Day length regulates seasonal patterns of stomatal conductance in Quercus species.

  • Granda E Department of Crop and Forest Sciences-AGROTECNIO Center, Universitat de Lleida, Lleida, 25198, Spain.
  • Baumgarten F Forest Dynamics, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, Birmensdorf, CH-8903, Switzerland.
  • Gessler A Forest Dynamics, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, Birmensdorf, CH-8903, Switzerland.
  • Gil-Pelegrin E Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria de Aragón, Gobierno de Aragón, Avda. Montañana 930, Zaragoza, 50059, Spain.
  • Peguero-Pina JJ Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria de Aragón, Gobierno de Aragón, Avda. Montañana 930, Zaragoza, 50059, Spain.
  • Sancho-Knapik D Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria de Aragón, Gobierno de Aragón, Avda. Montañana 930, Zaragoza, 50059, Spain.
  • Zimmerman NE Forest Dynamics, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, Birmensdorf, CH-8903, Switzerland.
  • Resco de Dios V Department of Crop and Forest Sciences-AGROTECNIO Center, Universitat de Lleida, Lleida, 25198, Spain.
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  • 2019-11-03
Published in:
  • Plant, cell & environment. - 2020
Mediterranean
Quercus
circadian rhythm
day length
gas exchange
latitude
stomatal control
temperate
tropical
woody plants
Cycadopsida
Magnoliopsida
Photoperiod
Plant Leaves
Plant Stomata
Plant Transpiration
Quercus
Seasons
Trees
Vapor Pressure
English Vapour pressure deficit is a major driver of seasonal changes in transpiration, but photoperiod also modulates leaf responses. Climate warming might enhance transpiration by increasing atmospheric water demand and the length of the growing season, but photoperiod-sensitive species could show dampened responses. Here, we document that day length is a significant driver of the seasonal variation in stomatal conductance. We performed weekly gas exchange measurements across a common garden experiment with 12 oak species from contrasting geographical origins, and we observed that the influence of day length was of similar strength to that of vapour pressure deficit in driving the seasonal pattern. We then examined the generality of our findings by incorporating day-length regulation into well-known stomatal models. For both angiosperm and gymnosperm species, the models improved significantly when adding day-length dependences. Photoperiod control over stomatal conductance could play a large yet underexplored role on the plant and ecosystem water balances.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://sonar.ch/global/documents/93270
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