Funding for this research was provided by:
Natural Environment Research Council (RRBN19276)
British Antarctic Survey (CASS-121)
Received: 18 January 2018
Revised: 12 September 2018
Accepted: 14 September 2018
First Online: 29 September 2018
Change Date: 23 October 2018
Change Type: Correction
Change Details: This correction serves to provide the correct rendering of Fig. 1a, with its respective insets corrected to show both the South Orkney Islands and Signy Island (not shown in the original article but showing in the corrected figure below).
Compliance with ethical standards
: We confirm that no part of this study has been published before or is under consideration for any other journal by either myself or my co-authors. None of the authors have any conflicts of interest to disclose and all authors have approved this manuscript and its submission to Polar Biology.
: We confirm that the use of invertebrates complied with all relevant ethical standards and that field work in Antarctica was conducted with permissions from the UK Foreign Office and that returned samples were permitted by the Department for the Environment, Farming and Rural Affairs (DEFRA).