Data from: Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago following removal of introduced arctic foxes (Vulpes lagopus)

When using this dataset, please cite the original article.

Petersen MR, Byrd GV, Sonsthagen SA, Sexson MG (2015) Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago following removal of introduced arctic foxes (Vulpes Lagopus). Journal of Avian Biology doi:10.1111/jav.00626

Additionally, please cite the Movebank data package:

Petersen M, Byrd GV, Sonsthagen SA, Sexson MG (2015) Data from: Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago following removal of introduced arctic foxes (Vulpes lagopus). Movebank Data Repository. doi:10.5441/001/1.s528h83q
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Package Identifier doi:10.5441/001/1.s528h83q  
 
Abstract Islands provide refuges for populations of many species where they find safety from predators, but the introduction of predators frequently results in elimination or dramatic reductions in island-dwelling organisms. When predators are removed, re-colonization for some species occurs naturally, and inter-island phylogeographic relationships and current movement patterns can illuminate processes of colonization. We studied a case of re-colonization of common eiders (Somateria mollissima) following removal of introduced arctic foxes (Vulpes lagopus) in the Aleutian Archipelago, Alaska. We expected common eiders to resume nesting on islands cleared of foxes and to re-colonize from nearby islets, islands, and island groups. We thus expected common eiders to show limited genetic structure indicative of extensive mixing among island populations. Satellite telemetry was used to record current movement patterns of female common eiders from six islands across three island groups. We collected genetic data from these and other nesting common eiders at 14 microsatellite loci and the mitochondrial DNA control region to examine population genetic structure, historical fluctuations in population demography, and gene flow. Our results suggest recent interchange among islands. Analysis of microsatellite data supports satellite telemetry data of increased dispersal of common eiders to nearby areas and little between island groups. Although evidence from mtDNA is suggestive of female dispersal among island groups, gene flow is insufficient to account for recolonization and rapid population growth. Instead, near-by remnant populations of common eiders contributed substantially to population expansion, without which re-colonization would have likely occurred at a much lower rate. Genetic and morphometric data of common eiders within one island group two and three decades after re-colonization suggests reduced movement of eiders among islands and little movement between island groups after populations were re-established. We predict that re-colonization of an island group where all common eiders are extirpated could take decades.
Keywords Aleutian Archipelago, animal tracking, Arctic foxes, Argos, common eiders, satellite telemetry, restoration ecology, Somateria mollissima, Vulpes lagopus,

Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago (data from Petersen et al. 2015)-accessory View File Details
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Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago (data from Petersen et al. 2015)-argos View File Details
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To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago (data from Petersen et al. 2015)-raw-argos-diag View File Details
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To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago (data from Petersen et al. 2015)-raw-argos-dispose View File Details
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To the extent possible under law, the authors have waived all copyright and related or neighboring rights to this data.  



Re-colonization by common eiders (Somateria mollissima) in the Aleutian Archipelago (data from Petersen et al. 2015)-reference-data View File Details
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