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BG | Articles | Volume 15, issue 9
Biogeosciences, 15, 2873–2889, 2018
https://doi.org/10.5194/bg-15-2873-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 2873–2889, 2018
https://doi.org/10.5194/bg-15-2873-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 16 May 2018

Research article | 16 May 2018

Short-term fate of intertidal microphytobenthos carbon under enhanced nutrient availability: a 13C pulse-chase experiment

Philip M. Riekenberg et al.

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Alsterberg, C., Sundback, K., and Hulth, S.: Functioning of a shallow-water sediment system during experimental warming and nutrient enrichment, Plos One, 7, e51503, https://doi.org/10.1371/journal.pone.0051503, 2012. 
Andersson, J. H., Woulds, C., Schwartz, M., Cowie, G. L., Levin, L. A., Soetaert, K., and Middelburg, J. J.: Short-term fate of phytodetritus in sediments across the Arabian Sea Oxygen Minimum Zone, Biogeosciences, 5, 43–53, https://doi.org/10.5194/bg-5-43-2008, 2008. 
Armitage, A. R. and Fong, P.: Upward cascading effects of nutrients: shifts in a benthic microalgal community and a negative herbivore response, Oecologia, 139, 560–567, 2004. 
Arnosti, C.: Microbial extracellular enzymes and the marine carbon cycle, Ann. Rev. Mar. Sci., 3, 401–425, 2011. 
Banta, G. T., Giblin, A. E., Hobbie, J. E., and Tucker., J.: Benthic respiration and nitrogen release in Buzzards Bay, Massachusetts, J. Mar. Res., 53, 107–135, 1995. 
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Shallow coastal waters are increasingly experiencing increased nutrient loading. Sediment algae within these systems are responsible for a large portion of C production, but we have limited knowledge of what happens to sediment microbial processing of MPB-C under increased nutrient conditions. This work examines how C-processing pathways change after increased short-term nutrient exposure, finding shifts in processing between microbial groups and increased export of algal C from the sediment.
Shallow coastal waters are increasingly experiencing increased nutrient loading. Sediment algae...
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