Articles | Volume 13, issue 4
https://doi.org/10.5194/bg-13-1037-2016
https://doi.org/10.5194/bg-13-1037-2016
Research article
 | 
23 Feb 2016
Research article |  | 23 Feb 2016

Negligible effects of ocean acidification on Eurytemora affinis (Copepoda) offspring production

Anna-Karin Almén, Anu Vehmaa, Andreas Brutemark, Lennart Bach, Silke Lischka, Annegret Stuhr, Sara Furuhagen, Allanah Paul, J. Rafael Bermúdez, Ulf Riebesell, and Jonna Engström-Öst

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Cited articles

Almén, A.-K., Vehmaa, A., Brutemark, A., and Engström-Öst, J.: Coping with climate change? Copepods experience variation in their physicochemical environment on a diurnal basis, J. Exp. Mar. Biol. Ecol., 460, 120–128, 2014.
Andersen, C. M. and Nielsen, T. G.: Hatching rate of the egg-carrying estuarine copepod Eurytemora affinis, Mar. Ecol.-Prog. Ser., 160, 283–289, 1997.
Ask, J., Reinikainen, M., and Båmstedt, U.: Variation in hatching success and egg production of Eurytemora affinis (Calanoida, Copepoda) from the Gulf of Bothnia, Baltic Sea, in relation to abundance and clonal differences of diatoms, J. Plankton Res., 29, 683–694, 2006.
BACC II: Second Assessment of Climate Change for the Baltic Sea Basin: The BACC II Author Team (Ed.), Springer Verlag, Berlin, 477 pp., 2015
Bermúdez, J. R., Winder, M., Stuhr, A., Almén, A. K., Engström-Öst, J., and Riebesell, U.: Effect of ocean acidification on the structure and fatty acid composition of a natural plankton community in the Baltic Sea, Biogeosciences Discuss., https://doi.org/10.5194/bg-2015-669, in review, 2016.
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Short summary
We studied the effects of ocean acidification (OA) on the aquatic crustacean Eurytemora affinis and measured offspring production in relation to pH, chlorophyll, algae, fatty acids, and oxidative stress. No effects on offspring production or pH effects via food were found. E. affinis seems robust against OA on a physiological level and did probably not face acute pH stress in the treatments, as the species naturally face large pH fluctuations.
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