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Many seabirds exhibit high natal philopatry despite their extreme dispersal ability and delayed reproduction, and some exhibit phenotypic clustering in colonies and fostering or adoption of neighbouring chicks. Previous investigations of kinship in a small thick-billed murre colony Uria lomvia (Alci...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.1069.1626 2023-05-15T15:13:19+02:00 The Authors Gabriela Ibarguchi Anthony J Gaston Vicki L Friesen G Ibarguchi Ibarguchi@queensu.ca Gabriela V L Friesen The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1069.1626 http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1069.1626 http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf text ftciteseerx 2020-04-26T00:17:01Z Many seabirds exhibit high natal philopatry despite their extreme dispersal ability and delayed reproduction, and some exhibit phenotypic clustering in colonies and fostering or adoption of neighbouring chicks. Previous investigations of kinship in a small thick-billed murre colony Uria lomvia (Alcidae) in Norway revealed high relatedness among breeders on cliff ledges. To investigate the presence of kin groups and within-colony genetic sub-structuring elsewhere, we investigated kinship within a larger murre colony on Coats Island, Nunavut, Canada. Morphological (five characters) and genetic data (five microsatellite loci and a fragment of the mitochondrial cytochrome b gene) were analysed. Strong morphological differentiation was found among ledges. Genetic structuring was overall weak but significant at the coarse scale for males among ledges and on the east vs. the west side of the colony. Global spatial autocorrelation analyses did not detect consistent, widespread spatial patterns, although local 2D analyses provided some evidence of a tendency for larger neighbourhood sizes for females and a broad range of small to large neighbourhoods for males. Average withinledge relatedness was low overall, but ranged widely from slightly unrelated to greater than the level of cousins in both sexes. Kin-level relationships occurred on ledges more frequently for same-sex groups than expected by chance, suggesting that recruiting breeders (especially females) avoid or are unable to settle directly adjacent to relatives particularly of the opposite sex. Behavioural studies of natal dispersal of murres at Coats I. indicating that both sexes are highly philopatric, but that up to one-fifth of females may disperse, are concordant with this study. Overall, structuring was weaker than in Norway, and may be explained in part by genetic marker and sampling artifacts, and by the lack of genetic equilibrium suspected in the much larger Canadian Arctic colony. Natal philopatry may be an important factor driving the diversification ... Text Arctic Coats Island Nunavut thick-billed murre Uria lomvia uria Unknown Arctic Canada Coats Island ENVELOPE(-82.974,-82.974,62.620,62.620) Norway Nunavut |
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Many seabirds exhibit high natal philopatry despite their extreme dispersal ability and delayed reproduction, and some exhibit phenotypic clustering in colonies and fostering or adoption of neighbouring chicks. Previous investigations of kinship in a small thick-billed murre colony Uria lomvia (Alcidae) in Norway revealed high relatedness among breeders on cliff ledges. To investigate the presence of kin groups and within-colony genetic sub-structuring elsewhere, we investigated kinship within a larger murre colony on Coats Island, Nunavut, Canada. Morphological (five characters) and genetic data (five microsatellite loci and a fragment of the mitochondrial cytochrome b gene) were analysed. Strong morphological differentiation was found among ledges. Genetic structuring was overall weak but significant at the coarse scale for males among ledges and on the east vs. the west side of the colony. Global spatial autocorrelation analyses did not detect consistent, widespread spatial patterns, although local 2D analyses provided some evidence of a tendency for larger neighbourhood sizes for females and a broad range of small to large neighbourhoods for males. Average withinledge relatedness was low overall, but ranged widely from slightly unrelated to greater than the level of cousins in both sexes. Kin-level relationships occurred on ledges more frequently for same-sex groups than expected by chance, suggesting that recruiting breeders (especially females) avoid or are unable to settle directly adjacent to relatives particularly of the opposite sex. Behavioural studies of natal dispersal of murres at Coats I. indicating that both sexes are highly philopatric, but that up to one-fifth of females may disperse, are concordant with this study. Overall, structuring was weaker than in Norway, and may be explained in part by genetic marker and sampling artifacts, and by the lack of genetic equilibrium suspected in the much larger Canadian Arctic colony. Natal philopatry may be an important factor driving the diversification ... |
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The Pennsylvania State University CiteSeerX Archives |
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Gabriela Ibarguchi Anthony J Gaston Vicki L Friesen G Ibarguchi Ibarguchi@queensu.ca Gabriela V L Friesen |
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Gabriela Ibarguchi Anthony J Gaston Vicki L Friesen G Ibarguchi Ibarguchi@queensu.ca Gabriela V L Friesen The Authors |
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Gabriela Ibarguchi Anthony J Gaston Vicki L Friesen G Ibarguchi Ibarguchi@queensu.ca Gabriela V L Friesen |
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Gabriela Ibarguchi |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1069.1626 http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf |
long_lat |
ENVELOPE(-82.974,-82.974,62.620,62.620) |
geographic |
Arctic Canada Coats Island Norway Nunavut |
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Arctic Canada Coats Island Norway Nunavut |
genre |
Arctic Coats Island Nunavut thick-billed murre Uria lomvia uria |
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Arctic Coats Island Nunavut thick-billed murre Uria lomvia uria |
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http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1069.1626 http://www.ibarguchi.ca/teaching-CHEO/Ibarguchi-Kin%20groups-Murres.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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