North East Land island (Nordaustlandet). Prins Oscars Land. Duvefjorden bay. Innvika cove. Depotlaguna. The basis of Vikvaktaren mountain. Polar desert, mosses community. The small fast stream (0.1 m width, 0.05 m deep). Epilithic on the pebbles at the bottom of the stream (-0.02 m).