Increased occurrence of the jellyfish Periphylla periphylla in the European high Arctic - Geoffroy, Maxime; Berge, Jørgen; Majaneva, Sanna; Johnsen, Geir; Langbehn, Tom J.; Cottier, Finlo; Mogstad, Aksel Alstad; Zolich, Artur; Last, Kim (Polar Biology, 2018)