Articles | Volume 18, issue 8
Biogeosciences, 18, 2527–2538, 2021
https://doi.org/10.5194/bg-18-2527-2021
Biogeosciences, 18, 2527–2538, 2021
https://doi.org/10.5194/bg-18-2527-2021

Research article 22 Apr 2021

Research article | 22 Apr 2021

Hypersaline tidal flats as important “blue carbon” systems: a case study from three ecosystems

Dylan R. Brown et al.

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Cited articles

Adame, M. F., Reef, R., Grinham, A., Holmes, G., and Lovelock, C. E.: Nutrient exchange of extensive cyanobacterial mats in an arid subtropical wetland, Mar. Freshw. Res., 63, 457–467, 2012. 
Albuquerque, A. G. B. M., Ferreira, T. O., Cabral, R. L., Nóbrega, G. N., Romero, R. E., Meireles, A. J. d. A., and Otero, X. L.: Hypersaline tidal flats (apicum ecosystems): the weak link in the tropical wetlands chain, Environ. Rev., 22, 99-109, 2013. 
Albuquerque, A., Ferreira, T., Nóbrega, G., Romero, R., Júnior, V. S., Meireles, A., and Otero, X.: Soil genesis on hypersaline tidal flats (apicum ecosystem) in a tropical semi-arid estuary (Ceará, Brazil), Soil Res., 52, 140–154, 2014. 
Alongi, D. M.: Mangrove forests: resilience, protection from tsunamis, and responses to global climate change, Estuar. Coast. Shelf Sci., 76, 1–13, 2008. 
Alongi, D. M.: Dissolved iron supply limits early growth of estuarine mangroves, Ecology, 91, 3229–3241, 2010. 
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Short summary
Hypersaline tidal flats (HTFs) are coastal ecosystems with freshwater deficits often occurring in arid or semi-arid regions near mangrove supratidal zones with no major fluvial contributions. This study shows that HTFs are important carbon and nutrient sinks which may be significant given their extensive coverage. Our findings highlight a previously unquantified carbon as well as a nutrient sink and suggest that coastal HTF ecosystems could be included in the emerging blue carbon framework.
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