Articles | Volume 20, issue 14
Research article
31 Jul 2023
Research article |  | 31 Jul 2023

Potassium limitation of forest productivity – Part 1: A mechanistic model simulating the effects of potassium availability on canopy carbon and water fluxes in tropical eucalypt stands

Ivan Cornut, Nicolas Delpierre, Jean-Paul Laclau, Joannès Guillemot, Yann Nouvellon, Otavio Campoe, Jose Luiz Stape, Vitoria Fernanda Santos, and Guerric le Maire

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Cited articles

Arp, P. A. and Oja, T.: A forest soil vegetation atmosphere model (ForSVA), I: Concepts, Ecol. Model., 95, 211–224,, 1997. a
Attia, A., Nouvellon, Y., Cuadra, S., Cabral, O., Laclau, J.-P., Guillemot, J., Campoe, O., Stape, J.-L., Galdos, M., Lamparelli, R., and le Maire, G.: Modelling carbon and water balance of Eucalyptus plantations at regional scale: Effect of climate, soil and genotypes, Forest Ecol. Manag., 449, 117460,, 2019. a, b
Baldocchi, D. D.: Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future, Glob. Change Biol., 9, 479–492,, 2003. a
Basile, B., Reidel, E. J., Weinbaum, S. A., and DeJong, T. M.: Leaf potassium concentration, CO2 exchange and light interception in almond trees (Prunus dulcis (Mill) D.A. Webb), Sci. Hortic.-Amsterdam, 98, 185–194,, 2003. a
Battie-Laclau, P., Laclau, J.-P., Piccolo, M. d. C., Arenque, B. C., Beri, C., Mietton, L., Muniz, M. R. A., Jordan-Meille, L., Buckeridge, M. S., Nouvellon, Y., Ranger, J., and Bouillet, J.-P.: Influence of potassium and sodium nutrition on leaf area components in Eucalyptus grandis trees, Plant Soil, 371, 19–35,, 2013. a, b, c, d, e, f, g, h, i, j
Short summary
Potassium is an essential element for living organisms. Trees are dependent upon this element for certain functions that allow them to build their trunks using carbon dioxide. Using data from experiments in eucalypt plantations in Brazil and a simplified computer model of the plantations, we were able to investigate the effect that a lack of potassium can have on the production of wood. Understanding nutrient cycles is useful to understand the response of forests to environmental change.
Final-revised paper