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Frequent long-distance plant colonization in the changing Arctic
Vise andre og tillknytning
Ansvarlig organisasjon
2007 (engelsk)Inngår i: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 316, nr 5831, s. 1606-1609Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The ability of species to track their ecological niche after climate change is a major source of uncertainty in predicting their future distribution. By analyzing DNA fingerprinting ( amplified fragment-length polymorphism) of nine plant species, we show that long-distance colonization of a remote arctic archipelago, Svalbard, has occurred repeatedly and from several source regions. Propagules are likely carried by wind and drifting sea ice. The genetic effect of restricted colonization was strongly correlated with the temperature requirements of the species, indicating that establishment limits distribution more than dispersal. Thus, it may be appropriate to assume unlimited dispersal when predicting long-term range shifts in the Arctic.

sted, utgiver, år, opplag, sider
2007. Vol. 316, nr 5831, s. 1606-1609
HSV kategori
Forskningsprogram
SWEDARCTIC 1999, Tundra nordväst 1999; SWEDARCTIC 2005, Beringia 2005
Identifikatorer
URN: urn:nbn:se:polar:diva-3177DOI: 10.1126/science.1139178OAI: oai:DiVA.org:polar-3177DiVA, id: diva2:1049845
Tilgjengelig fra: 2016-11-25 Laget: 2016-11-21 Sist oppdatert: 2017-11-29

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