Articles | Volume 18, issue 4
Biogeosciences, 18, 1451–1461, 2021
Biogeosciences, 18, 1451–1461, 2021

Research article 25 Feb 2021

Research article | 25 Feb 2021

Bioturbation has a limited effect on phosphorus burial in salt marsh sediments

Sebastiaan J. van de Velde et al.

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Cited articles

Aller, R. C.: The influence of macrobenthos on chemical diagenesis of marine sediments, PhD thesis, Yale University, New Haven, Connecticut, 600 pp., 1977. a
Antler, G., Mills, J. V., Huthings, A., Redeker, K., and Turchyn, A. V.: The sedimentary carbon-sulfur-iron interplay – a lesson from East Anglian salt marsh sediments, Front. Earth Sci., 7, 140,, 2019. a, b, c, d
Archer, D. and Devol, A. H.: Benthic oxygen fluxes on the Washington shelf and slope: A comparison of in situ microelectrode and chamber flux measurements, Limnol. Oceanogr., 37, 614–629,, 1992. a, b
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Berner, R. A.: Burial of Organic Carbon and Pyrite sulfur in the modern ocean: Its geochemical and environmental sinificance, Am. J. Sci., 282, 451–473, 1982. a
Short summary
Some 540 Myr ago, animal life evolved in the ocean. Previous research suggested that when these early animals started inhabiting the seafloor, they retained phosphorus in the seafloor, thereby limiting photosynthesis in the ocean. We studied salt marsh sediments with and without animals and found that their impact on phosphorus retention is limited, which implies that their impact on the global environment might have been less drastic than previously assumed.
Final-revised paper