Articles | Volume 13, issue 22
Biogeosciences, 13, 6171–6182, 2016

Special issue: Effects of rising CO2 on a Baltic Sea plankton...

Biogeosciences, 13, 6171–6182, 2016
Research article
15 Nov 2016
Research article | 15 Nov 2016

Ocean acidification challenges copepod phenotypic plasticity

Anu Vehmaa et al.

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Cited articles

Almén, A.-K., Vehmaa, A., Brutemark, A., and Engström-Öst, J.: Coping with climate change? Copepods experience drastic variations in their physicochemical environment on a diurnal basis, J. Exp. Mar. Biol. Ecol., 460, 120–128, 2014.
Almén, A.-K., Vehmaa, A., Brutemark, A., Bach, L., Lischka, S., Stuhr, A., Furuhagen, S., Paul, A., Bermúdez, R., Riebesell, U., and Engström-Öst, J.: Negligible effects of ocean acidification on Eurytemora affinis (Copepoda) offspring production, Biogeosciences, 13, 1037–1048,, 2016.
Bates, D., Maechler, M., Bolker, B., and Walker, S.: lme4: Linear mixed-effects models using Eigen and S4, R package version 1.1-7, available at:, last access: 11 November 2014.
Bělehrádek, J.: Temperature and living matter, Protoplasma Monograph, No. 8 Borntrager, Berlin, 1935.
Boersma, M., Mathew, K. A., Niehoff, B., Schoo, K. L., Franco-Santos, R. M., and Meunier, C.: Temperature driven changes in the diet preference of omnivorous copepods: no more meat when it's hot?, Ecol. Lett., 19, 45–53, 2016.
Short summary
Ocean acidification is challenging phenotypic plasticity of individuals and populations. We studied phenotypic plasticity of the calanoid copepod Acartia bifilosa in the course of a pelagic, large-volume mesocosm study in the Baltic Sea. We found significant negative effects of ocean acidification on adult female copepod size and egg hatching success. Overall, these results indicate that A. bifilosa could be affected by projected near-future CO2 levels.
Final-revised paper