期刊
GLOBAL AND PLANETARY CHANGE
卷 202, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.gloplacha.2021.103502
关键词
Global change; Arctic; Mytilus spp; Plastic litter; Genetics; Vectors; Re-introduction
资金
- European Union [776617, 2018/28/Z/NZ8/00079]
- National Science Centre, Poland
- National Science Centre, Poland [2017/27/L/NZ8/03331]
- Sysselmannen Miljovernfond - Svalbard Intertidal Project [3423]
- H2020 Societal Challenges Programme [776617] Funding Source: H2020 Societal Challenges Programme
The blue mussel Mytilus spp. complex has reappeared in the high Arctic in Svalbard after a thousand years, most likely due to transportation and natural or anthropogenic flotsam. Studies have found genetic similarities between mussels from Svalbard and populations from Western Europe, Faroe Island, Scotland, and Norway, indicating a possible migration from these regions.
The blue mussel Mytilus spp. complex has re-appeared in the high Arctic in Svalbard after a thousand years, with the first recent indication of its appearance in 2002 at the mouth of Isfjorden on the west coast. We examine its genetic affinity to selected North Atlantic populations and the modes of spread that may be responsible for its recent re-colonisation. We record here its distribution on Svalbard archipelago along the north-western coastline and within Isfjorden collected over a seven years period. We record for the first time the intertidal occurrence that includes a presence close to a glacier front. Genetic composition of mussels Mytilus spp. from different Svalbard locations reveal similarities mainly with populations of M. edulis, M. trossulus and their hybrid from Western Europe, Faroe Island, Scotland and Norway. The re-introduction to Svalbard most probably involved shipping and natural or anthropogenic flotsam. It seems that a new transport vector - large plastic debris - plays a significant role in this process.
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