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BG | Articles | Volume 16, issue 22
Biogeosciences, 16, 4393–4409, 2019
https://doi.org/10.5194/bg-16-4393-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 4393–4409, 2019
https://doi.org/10.5194/bg-16-4393-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Nov 2019

Research article | 20 Nov 2019

How will the key marine calcifier Emiliania huxleyi respond to a warmer and more thermally variable ocean?

Xinwei Wang et al.

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Cited articles

Bernhardt, J. R., Sunday, J. M., Thompson, P. L., and O’connor, M. I.: Nonlinear averaging of thermal experience predicts population growth rates in a thermally variable environment, Proc. R. Soc. B Biol. Sci., 285, 20181076, https://doi.org/10.1098/rspb.2018.1076, 2018. 
Boyce, D. G., Lewis, M. R., and Worm, B.: Global phytoplankton decline over the past century, Nature, 466, 591–596, https://doi.org/10.1038/nature09268, 2010. 
Boyd, P., Dillingham, P., McGraw, C., Armstrong, E., Cornwall, C., Feng, Y.-Y., Hurd, C., Gault-Ringold, M., Roleda, M., and Timmins-Schiffman, E.: Physiological responses of a Southern Ocean diatom to complex future ocean conditions, Nat. Clim. Change, 6, 207–216, https://doi.org/10.1038/nclimate2811, 2015. 
Boyd, P. W., Strzepek, R., Fu, F., and Hutchins, D. A.: Environmental control of open-ocean phytoplankton groups: Now and in the future, Limnol. Oceanogr., 55, 1353–1376, https://doi.org/10.4319/lo.2010.55.3.1353, 2010. 
Boyd, P. W., Collins, S., Dupont, S., Fabricius, K., Gattuso, J. P., Havenhand, J., Hutchins, D. A., Riebesell, U., Rintoul, M. S., and Vichi, M.: Experimental strategies to assess the biological ramifications of multiple drivers of global ocean change – A review, Glob. Change Biol., 24, 2239–2261, https://doi.org/10.1111/gcb.14102, 2018. 
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In this study, we examine the responses of E. huxleyi to a future warmer and more thermally variable ocean. Elevated temperatures and thermal variation have negative effects on growth rate and physiology that are especially pronounced at high temperatures, but high-frequency thermal variation may reduce the risk of extreme high-temperature events. These findings have potentially large implications for ocean productivity and marine biogeochemical cycles under a future changing climate.
In this study, we examine the responses of E. huxleyi to a future warmer and more thermally...
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