Convergence in phosphorus constraints to photosynthesis in forests around the world

David S. Ellsworth (), Kristine Y. Crous, Martin G. Kauwe, Lore T. Verryckt, Daniel Goll, Sönke Zaehle, Keith J. Bloomfield, Philippe Ciais, Lucas A. Cernusak, Tomas F. Domingues, Mirindi Eric Dusenge, Sabrina Garcia, Rossella Guerrieri, F. Yoko Ishida, Ivan A. Janssens, Tanaka Kenzo, Tomoaki Ichie, Belinda E. Medlyn, Patrick Meir, Richard J. Norby, Peter B. Reich, Lucy Rowland, Louis S. Santiago, Yan Sun, Johan Uddling, Anthony P. Walker, K. W. Lasantha K. Weerasinghe, Martine J. Weg, Yun-Bing Zhang, Jiao-Lin Zhang and Ian J. Wright
Additional contact information
David S. Ellsworth: Western Sydney University
Kristine Y. Crous: Western Sydney University
Martin G. Kauwe: University of Bristol
Lore T. Verryckt: University of Antwerp
Daniel Goll: CEA/CNRS/Université de Versailles Saint-Quentin-en-Yvelines/ Université de Paris Saclay
Sönke Zaehle: Max Planck Institute for Biogeochemistry
Keith J. Bloomfield: Imperial College
Philippe Ciais: CEA/CNRS/Université de Versailles Saint-Quentin-en-Yvelines/ Université de Paris Saclay
Lucas A. Cernusak: College of Science and Engineering, James Cook University
Tomas F. Domingues: Universidade de São Paulo-Ribeirão Preto
Mirindi Eric Dusenge: University of Gothenburg
Sabrina Garcia: National Institute of Amazonian Research (INPA)
Rossella Guerrieri: University of Bologna
F. Yoko Ishida: College of Science and Engineering, James Cook University
Ivan A. Janssens: University of Antwerp
Tanaka Kenzo: Japan International Research Centre for Agricultural Sciences
Tomoaki Ichie: Kochi University
Belinda E. Medlyn: Western Sydney University
Patrick Meir: The Australian National University
Richard J. Norby: University of Tennessee
Peter B. Reich: Western Sydney University
Lucy Rowland: University of Exeter
Louis S. Santiago: University of California, Riverside
Yan Sun: CEA/CNRS/Université de Versailles Saint-Quentin-en-Yvelines/ Université de Paris Saclay
Johan Uddling: University of Gothenburg
Anthony P. Walker: Oak Ridge National Laboratory
K. W. Lasantha K. Weerasinghe: University of Peradeniya
Martine J. Weg: Edinburgh University
Yun-Bing Zhang: Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences
Jiao-Lin Zhang: Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences
Ian J. Wright: Western Sydney University

Nature Communications, 2022, vol. 13, issue 1, 1-12

Abstract: Abstract Tropical forests take up more carbon (C) from the atmosphere per annum by photosynthesis than any other type of vegetation. Phosphorus (P) limitations to C uptake are paramount for tropical and subtropical forests around the globe. Yet the generality of photosynthesis-P relationships underlying these limitations are in question, and hence are not represented well in terrestrial biosphere models. Here we demonstrate the dependence of photosynthesis and underlying processes on both leaf N and P concentrations. The regulation of photosynthetic capacity by P was similar across four continents. Implementing P constraints in the ORCHIDEE-CNP model, gross photosynthesis was reduced by 36% across the tropics and subtropics relative to traditional N constraints and unlimiting leaf P. Our results provide a quantitative relationship for the P dependence for photosynthesis for the front-end of global terrestrial C models that is consistent with canopy leaf measurements.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32545-0

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DOI: 10.1038/s41467-022-32545-0

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