Articles | Volume 17, issue 7
Biogeosciences, 17, 1717–1730, 2020
Biogeosciences, 17, 1717–1730, 2020

Research article 03 Apr 2020

Research article | 03 Apr 2020

Warming enhances carbon dioxide and methane fluxes from Red Sea seagrass (Halophila stipulacea) sediments

Celina Burkholz et al.

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Cited articles

Alongi, D. M., Trott, L. A., Undu, M. C., and Tirendi, F.: Benthic microbial metabolism in seagrass meadows along a carbonate gradient in Sulawesi, Indonesia, Aquat. Microb. Ecol., 51, 141–152,, 2008. 
Arias-Ortiz, A., Serrano, O., Masqué, P., Lavery, P. S., Mueller, U., Kendrick, G. A., Rozaimi, M., Esteban, A., Fourqurean, J. W., Marbà, N., Mateo, M. A., Murray, K., Rule, M. J., and Duarte, C. M.: A marine heatwave drives massive losses from the world's largest seagrass carbon stocks, Nat. Clim. Change, 8, 338–344,, 2018. 
Bahlmann, E., Weinberg, I., Lavrič, J. V., Eckhardt, T., Michaelis, W., Santos, R., and Seifert, R.: Tidal controls on trace gas dynamics in a seagrass meadow of the Ria Formosa lagoon (southern Portugal), Biogeosciences, 12, 1683–1696,, 2015. 
Banerjee, K., Paneerselvam, A., Ramachandran, P., Ganguly, D., Singh, G., and Ramesh, R.: Seagrass and macrophyte mediated CO2 and CH4 dynamics in shallow coastal waters, PLoS One, 13, e0203922,, 2018. 
Barber, T. R. and Carlson, P. R. J.: Effects of seagrass die-off on benthic fluxes and porewater concentrations of CO2, H2S, and CH4 in Florida Bay sediments, in: Biogeochemistry of Global Change, edited by: Oremland, R. S., 530–550, Springer, Boston, MA, USA, 1993. 
Short summary
Seagrass meadows store carbon in their biomass and sediments, but they have also been shown to be sources of carbon dioxide (CO2) and methane (CH4). We experimentally investigated the effect of warming and prolonged darkness on CO2 and CH4 fluxes in Red Sea seagrass (Halophila stipulacea) communities. Our results indicated that sublethal warming may lead to increased emissions of greenhouse gases from seagrass meadows which may contribute to further enhance global warming.
Final-revised paper