Species diversity of macroalgae in gronfjorden, spitsbergen, svalbard

摘要

Climate changes in the North Atlantic and Arctic affect the mac-rophytoben-thos along with other components of the ecosystem, resulting in an increase of species diversity and biomass in western Spitsbergen, as has been reported. Gronfjorden is located at the mouth of one of the largest fjords of Spitsbergen, Isfjorden, and is influenced by the recent significant increase in the inflow of Atlantic Water. However, there are nearly no published data on the phytoben-thic communities in this area. This research study of the littoral and sublittoral areas of Gronfjorden in 2013-14 documented 68 species, mostly high-boreal and boreal-Arctic species. When compared with species diversity in the other areas of western Spitsbergen, the data show the uniqueness of Gronfjorden's species composition.