Journal
MARINE ECOLOGY PROGRESS SERIES
Volume 303, Issue -, Pages 167-175Publisher
INTER-RESEARCH
DOI: 10.3354/meps303167
Keywords
Mytilus edulis; Arctic; Atlantic Water transport; remote sensing; simulated transport time; sea-surface temperature; temperature oscillations; holocene
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We report the first observations of settled blue mussels Mytilus edulis L. in the high Arctic Archipelago of Svalbard for the first time since the Viking Age. A scattered population was discovered at a single site at the mouth of Isfjorden in August 2004. Our data indicate that most mussels settled there as spat in 2002, and that larvae were transported by the West Spitsbergen Current northwards from the Norwegian coast to Svalbard the same year. This extension of the blue mussels' distribution range was made possible by the unusually high northward mass transport of warm Atlantic water resulting in elevated sea-surface temperatures in the North Atlantic and along the west coast of Svalbard.
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