2010
DOI: 10.1186/1742-9994-7-15
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Abstract: BackgroundDuring the non-breeding period, many birds migrate to milder areas, found closer to the equator than their breeding sites. Opposite movements are very rare. In the Southern Ocean, the abundance of 13C declines markedly with more southern latitude, providing a characteristic 13C isoscape. This can be used as a tracer for the movement of seabirds between breeding and inter-breeding areas, by comparing stable isotope ratios of feathers grown at different times of the year.ResultsWe studied seasonal move… Show more

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Cited by 94 publications
(101 citation statements)
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“…Why moulting TBP altered their foraging behaviour remains to be investigated, but it is notable that an atmospheric temperaturedefined regime shift occurred in the 1970s in the southern Indian Ocean (Weimerskirch et al 2003b). Interestingly, TBP from the Falkland Islands in the southern Atlantic Ocean showed a similar historical trend in their δ 13 C values (Quillfeldt et al 2010), thus suggesting either that a second factor may have induced the distributional shift in the South Atlantic population independently or, more probably, that an identical phenotypically or genetically operating mechanism occurred at the species level. To our knowledge, no similar change in movement patterns has been described in any other seabird species.…”
Section: Historical Ecology During Adult Moultmentioning
confidence: 92%
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“…Why moulting TBP altered their foraging behaviour remains to be investigated, but it is notable that an atmospheric temperaturedefined regime shift occurred in the 1970s in the southern Indian Ocean (Weimerskirch et al 2003b). Interestingly, TBP from the Falkland Islands in the southern Atlantic Ocean showed a similar historical trend in their δ 13 C values (Quillfeldt et al 2010), thus suggesting either that a second factor may have induced the distributional shift in the South Atlantic population independently or, more probably, that an identical phenotypically or genetically operating mechanism occurred at the species level. To our knowledge, no similar change in movement patterns has been described in any other seabird species.…”
Section: Historical Ecology During Adult Moultmentioning
confidence: 92%
“…The Southern Ocean is marked by a well-defined latitudinal baseline δ 13 C gradient that is reflected in the tissue of consumers (Cherel & Hobson 2007, Jaeger et al 2010, Quillfeldt et al 2010). The isotopic consumer data allowed estimation of the carbon position of the main oceanic fronts within the southern Indian Ocean, and thus delineation of robust isoscapes of the main foraging zones for top predators, depending on the targeted tissues.…”
Section: Data Analysesmentioning
confidence: 99%
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“…In winter, most thin-billed prions breeding at the Falkland/Malvinas Islands move towards more polar waters (Quillfeldt et al 2008). Carbon stable isotope ratios in recent and historical feather samples indicated that poleward winter movements of thin-billed prions were less common historically (45% in 1913Á1915) and have only recently become dominant (92% in 2003Á2005), apparently in response to warming sea temperatures and less favourable conditions over the Patagonian Shelf (Quillfeldt et al 2010a).…”
Section: Patagonian Shelf Lmementioning
confidence: 99%