Journal Articles Nature Communications Year : 2024

“Pink power”—the importance of coralline algal beds in the oceanic carbon cycle

Nadine Schubert
University of Algarve [Portugal]
Fernando Tuya
Viviana Peña
  • Function : Author
Grupo de Investigación BIOCOST
Paulo Horta
  • Function : Author
Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florianópolis]
Vinícius Salazar
  • Function : Author
Universidade Federal de Santa Catarina = Federal University of Santa Catarina [Florianópolis]
Pedro Neves
Cláudia Ribeiro
Francisco Otero-Ferrer
  • Function : Author
Universidad de las Palmas de Gran Canaria
Fernando Espino
  • Function : Author
Universidad de las Palmas de Gran Canaria
Kathryn Schoenrock
  • Function : Author
National University of Ireland [Galway]
Federica Ragazzola
University of Portsmouth
Irene Olivé
Stazione Zoologica Anton Dohrn
Thalassia Giaccone
  • Function : Author
Matteo Nannini
  • Function : Author
German Aerospace Center
M. Cristina Mangano
  • Function : Author
Gianluca Sará
Università degli studi di Palermo - University of Palermo
Francesco Paolo Mancuso
  • Function : Author
Mario Francesco Tantillo
  • Function : Author
Mar Bosch-Belmar
  • Function : Author
Sophie Martin
Adaptation et diversité en milieu marin
Line Le Gall
Institut de Systématique, Evolution, Biodiversité
Rui Santos
João Silva
  • Function : Author

Abstract

Currentevidencesuggeststhatmacroalgal-dominated habitats are important contributors to the oceanic carbon cycle, though the role of those formed by calcifiers remains controversial. Globally distributed coralline algal beds, built by pink coloured rhodoliths and maerl, cover extensive coastal shelf areas of the planet, but scarce information on their productivity, net carbon flux dynamics and carbonate deposits hampers assessing their contribution to the overall oceanic carbon cycle. Here, our data, covering large bathymetrical (2–51 m) and geographical ranges (53°N–27°S), show that coralline algal beds are highly productive habitats that can express substantial carbon uptake rates (28–1347 g C m−2 day−1), which vary in function of light availability and species composition and exceed reported estimates for other major macroalgal habitats. This high productivity, together with their substantial carbonate deposits (0.4–38 kilotons), renders coralline algal beds as highly relevant contributors to the present and future oceanic carbon cycle.

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Life Sciences [q-bio]

Gilberto Marani  : Connect in order to contact the contributor

https://mnhn.hal.science/mnhn-04747671

Submitted on : Tuesday, October 22, 2024-10:49:58 AM

Last modification on : Thursday, December 12, 2024-3:47:44 AM

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mnhn-04747671 , version 1 (22-10-2024)

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Nadine Schubert, Fernando Tuya, Viviana Peña, Paulo Horta, Vinícius Salazar, et al.. “Pink power”—the importance of coralline algal beds in the oceanic carbon cycle. Nature Communications, 2024, 15 (1), pp.8282. ⟨10.1038/s41467-024-52697-5⟩. ⟨mnhn-04747671⟩

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