A marine heatwave drives massive losses from the world's largest seagrass carbon stocks

A. Arias-Ortiz, O. Serrano, P. Masqué, P. S. Lavery, U. Mueller, G. A. Kendrick, Mohammad Rozaimi Jamaludin, A. Esteban, J. W. Fourqurean, N. Marbà, M. A. Mateo, K. Murray, M. J. Rule, C. M. Duarte

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Seagrass ecosystems contain globally significant organic carbon (C) stocks. However, climate change and increasing frequency of extreme events threaten their preservation. Shark Bay, Western Australia, has the largest C stock reported for a seagrass ecosystem, containing up to 1.3% of the total C stored within the top metre of seagrass sediments worldwide. On the basis of field studies and satellite imagery, we estimate that 36% of Shark Bay's seagrass meadows were damaged following a marine heatwave in 2010/2011. Assuming that 10 to 50% of the seagrass sediment C stock was exposed to oxic conditions after disturbance, between 2 and 9 Tg CO2 could have been released to the atmosphere during the following three years, increasing emissions from land-use change in Australia by 4-21% per annum. With heatwaves predicted to increase with further climate warming, conservation of seagrass ecosystems is essential to avoid adverse feedbacks on the climate system.

Original languageEnglish
Pages (from-to)338-344
Number of pages7
JournalNature Climate Change
Volume8
Issue number4
DOIs
Publication statusPublished - 1 Apr 2018

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seagrass
climate
carbon
field of study
shark
climate change
land use
conservation
ecosystem
event
seagrass meadow
extreme event
oxic conditions
satellite imagery
sediment
land use change
warming
organic carbon
heat wave
loss

ASJC Scopus subject areas

  • Environmental Science (miscellaneous)
  • Social Sciences (miscellaneous)

Cite this

Arias-Ortiz, A., Serrano, O., Masqué, P., Lavery, P. S., Mueller, U., Kendrick, G. A., ... Duarte, C. M. (2018). A marine heatwave drives massive losses from the world's largest seagrass carbon stocks. Nature Climate Change, 8(4), 338-344. https://doi.org/10.1038/s41558-018-0096-y

A marine heatwave drives massive losses from the world's largest seagrass carbon stocks. / Arias-Ortiz, A.; Serrano, O.; Masqué, P.; Lavery, P. S.; Mueller, U.; Kendrick, G. A.; Jamaludin, Mohammad Rozaimi; Esteban, A.; Fourqurean, J. W.; Marbà, N.; Mateo, M. A.; Murray, K.; Rule, M. J.; Duarte, C. M.

In: Nature Climate Change, Vol. 8, No. 4, 01.04.2018, p. 338-344.

Research output: Contribution to journalArticle

Arias-Ortiz, A, Serrano, O, Masqué, P, Lavery, PS, Mueller, U, Kendrick, GA, Jamaludin, MR, Esteban, A, Fourqurean, JW, Marbà, N, Mateo, MA, Murray, K, Rule, MJ & Duarte, CM 2018, 'A marine heatwave drives massive losses from the world's largest seagrass carbon stocks', Nature Climate Change, vol. 8, no. 4, pp. 338-344. https://doi.org/10.1038/s41558-018-0096-y
Arias-Ortiz A, Serrano O, Masqué P, Lavery PS, Mueller U, Kendrick GA et al. A marine heatwave drives massive losses from the world's largest seagrass carbon stocks. Nature Climate Change. 2018 Apr 1;8(4):338-344. https://doi.org/10.1038/s41558-018-0096-y
Arias-Ortiz, A. ; Serrano, O. ; Masqué, P. ; Lavery, P. S. ; Mueller, U. ; Kendrick, G. A. ; Jamaludin, Mohammad Rozaimi ; Esteban, A. ; Fourqurean, J. W. ; Marbà, N. ; Mateo, M. A. ; Murray, K. ; Rule, M. J. ; Duarte, C. M. / A marine heatwave drives massive losses from the world's largest seagrass carbon stocks. In: Nature Climate Change. 2018 ; Vol. 8, No. 4. pp. 338-344.
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