Articles | Volume 23, issue 17
https://doi.org/10.5194/bg-23-6149-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-6149-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Sep 2026
Research article |
| 07 Sep 2026
| 07 Sep 2026
Water, carbon, and light use efficiencies in an old hemiboreal coniferous forest: nine-year patterns under hydroclimatic variability
Svyatoslav Rogozin
CORRESPONDING AUTHOR
Institute of Ecology & Earth Sciences, University of Tartu, Tartu, Estonia
Alisa Krasnova
Institute of Ecology & Earth Sciences, University of Tartu, Tartu, Estonia
Ülo Mander
Institute of Ecology & Earth Sciences, University of Tartu, Tartu, Estonia
Kaido Soosaar
Institute of Ecology & Earth Sciences, University of Tartu, Tartu, Estonia
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Short summary
We studied how an old north conifer forest in Estonia uses water, light, and carbon to take up carbon dioxide during nine growing seasons, using continuous eddy covariance measurements. Air became warmer and drier, yet water and light use efficiency stayed stable. Carbon use efficiency was most sensitive to hydroclimatic variability, reflecting the balance between uptake and respiration. This helps predict whether such forests will keep storing carbon as climate dries.
We studied how an old north conifer forest in Estonia uses water, light, and carbon to take up...
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