Diversity of the Cyanoprokaryota of the area of settlement Pyramiden, West Spitsbergen Island, Spitsbergen archipelago

The diversity and ecological distribution of cyanoprokaryotes in the area of settlement Pyramiden of West Spitsbergen Island, Spitsbergen (Svalbard) archipelago, were studied during the summer seasons 2008 and 2013. A total of 73 taxa were observed in various habitats of investigated area. The highest number of species was found on wet seepages on the slopes (33 species), in slow tundra streams (26 species) and wet soils (21 species). Nostoc commune and Calothrix parietina dominate in most parts of the habitats.