Erratum to: Summer distribution and demography of Antarctic krill Euphausia superba Dana, 1852 (Euphausiacea) at the South Orkney Islands, 2011–2015. Issue 1 (18th February 2019) - Krafft, Bjørn A; Krag, Ludvig A; Knutsen, Tor; Skaret, Georg; Jensen, Knut H M; Krakstad, Jens O; Larsen, Stuart H; Melle, Webjørn; Iversen, Svein A; Godø, Olav R