Funding for this research was provided by:
Institut Polaire Français Paul Emile Victor (OPP 01-32032)
National Science Foundation (PLR-1444167)
Received: 31 October 2017
Accepted: 23 April 2018
First Online: 9 May 2018
: <sup>2</sup>: LP is in charge of the cytometers from the imaging platform of Sorbonne Université, 75,252 Paris, cedex 05
: Ethical approval for all procedures was granted by the ethics committee of the Ministère de l’Environnement and the French Polar Research Institute (Institut Paul Emile Victor – IPEV), which approved all our fieldwork. The experiments complied with the Code of Ethics of Animal Experimentation in the Antarctic sector.
: The authors declare that they have no competing interests.
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