Habitat diversity within the study area A lapis lazuli deposit on the west bank of the Soper River, 16 July 2012 B hummocky sedge meadow on the east bank of Soper River, near Soper Falls, 17 July 2012 C wet, sandy flats near the campground at Soper Falls, with Eleocharis acicularis, 17 July 2012 D dry, sandy flats south of Soper Falls, with Salix arctica, Agrostis mertensii and Cerastium, 18 July 2012 E Kimmirut, 20 July 2012 F Fundo Lake, Kimmirut, 22 July 2012 G enriched vegetation near Kimmirut dump and sewage outlet, 22 July 2012 H coastal shoreline and dry ridges near Pleasant Inlet, 21 July 2012. Photos A by P.C. Sokoloff and B–H by J.M. Saarela.