Articles | Volume 15, issue 23
https://doi.org/10.5194/bg-15-7243-2018
https://doi.org/10.5194/bg-15-7243-2018
Research article
 | 
06 Dec 2018
Research article |  | 06 Dec 2018

On biotic and abiotic drivers of the microphytobenthos seasonal cycle in a temperate intertidal mudflat: a modelling study

Raphaël Savelli, Christine Dupuy, Laurent Barillé, Astrid Lerouxel, Katell Guizien, Anne Philippe, Pierrick Bocher, Pierre Polsenaere, and Vincent Le Fouest

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Cited articles

Admiraal, W.: Tolerance of estuarine benthic diatoms to high concentrations of ammonia, nitrite ion, nitrate ion and orthophosphate, Mar. Biol., 43, 307–315, 1977.
Admiraal, W.: The ecology of estuarine sediment inhabiting diatoms, Progres in Phycological Research, 3, 269–314, 1984.
Admiraal, W., Bouwman, L. A., Hoekstra, L., and Romeyn, K.: Qualitative and quantitative interactions between microphytobenthos and herbivorous meiofauna on a brackish intertidal mudflat, Int. Rev. Hydrobiol., 68, 175–191, 1983.
Asmus, H.: Benthic grazers and suspension feeders: Which one assumes the energetic dominance in Königshafen?, Helgoländer Meeresun., 48, 217–231, 1994.
Asmus, H. and Asmus, R.: The importance of grazing food chain for energy flow and production in three intertidal sand bottom communities of the northern Wadden Sea, Helgoländer Meeresun., 39, 273–301, 1985.
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Short summary
We simulate the benthic microalgae seasonal cycle on a temperate intertidal mudflat by combining a physical–biological coupled model with remotely sensed and in situ data. While optimal light and temperature conditions lead to a spring bloom, thermo-inhibition and grazing result in a summer depression of biomass. The model ability to infer mechanisms driving the seasonal cycle could open the door to the contribution of productive intertidal biofilms to the coastal carbon cycle.
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