Articles | Volume 23, issue 18
https://doi.org/10.5194/bg-23-6599-2026
https://doi.org/10.5194/bg-23-6599-2026
Research article
 | 
21 Sep 2026
Research article |  | 21 Sep 2026

Landscape- and site-scale spatial variability of blue carbon stocks and fluxes in tropical seagrass meadows

Naima Iram, Kiah Eng Lim, Muhammad Ariq Khalingga, Pierre Taillardat, Sheryl Chan Si Ern, Lian Pin Koh, and Daniel A. Friess

Cited articles

Alemu, J. B., Yaakub, S. M., Yando, E. S., San Lau, R. Y., Lim, C. C., Puah, J. Y., and Friess, D. A.: Geomorphic gradients in shallow seagrass carbon stocks, Estuar. Coast. Shelf Sci., 265, 107681, https://doi.org/10.1016/j.ecss.2021.107681, 2022. 
Al-Haj, A. N. and Fulweiler, R. W.: A synthesis of methane emissions from shallow vegetated coastal ecosystems, Glob. Change Biol., 26, 2988–3005, https://doi.org/10.1111/gcb.15046, 2020. 
Asplund, M. E., Bonaglia, S., Boström, C., Dahl, M., Deyanova, D., Gagnon, K., Gullström, M., Holmer, M., and Björk, M.: Methane Emissions From Nordic Seagrass Meadow Sediments, Front. Marine Sci., 8, https://doi.org/10.3389/fmars.2021.811533, 2022. 
Bates, D., Mächler, M., Bolker, B., and Walker, S.: Fitting Linear Mixed-Effects Models Using lme4, J. Stat. Softw., 67, 1–48, https://doi.org/10.18637/jss.v067.i01, 2015. 
Burkholz, C., Garcias-Bonet, N., and Duarte, C. M.: Warming enhances carbon dioxide and methane fluxes from Red Sea seagrass (Halophila stipulacea) sediments, Biogeosciences, 17, 1717–1730, https://doi.org/10.5194/bg-17-1717-2020, 2020. 
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Short summary
We studied how blue carbon stocks and CO2 and CH4 fluxes vary at the landscape scale in tropical seagrass meadows. By testing six seagrass meadows across Singapore, we found that carbon stocks 0-25 cm and flux variability is not shaped by geomorphic settings, at least at the intermediate landscape scale. Our results support the inclusion of greenhouse gas fluxes in carbon accounting schemes.
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