Lack of genetic structure in greylag goose (Anser anser) populations along the European Atlantic flyway

PeerJ
Irene PellegrinoMathieu Boos

Abstract

Greylag goose populations are steadily increasing in north-western Europe. Although individuals breeding in the Netherlands have been considered mainly sedentary birds, those from Scandinavia or northern Germany fly towards their winter quarters, namely over France as far as Spain. This study aimed to determine the genetic structure of these birds, and to evaluate how goose populations mix. We used mitochondrial DNA and microsatellites from individuals distributed throughout the European Atlantic flyway, from breeding sites in Norway and the Netherlands to stopover and wintering sites in northern and south-western France. The mtDNA marker (CR1 D-Loop, 288 bp sequence, 144 ind.) showed 23 different haplotypes. The genetic distances amongst individuals sampled in Norway, northern France and the Netherlands were low (range 0.012-0.013). Individuals in south-western France showed a slightly higher genetic distance compared to all other sampling areas (ranges 0.018-0.022). The NJ tree does not show evidence of any single clades grouping together all individuals from the same geographic area. Besides, individuals from each site are found in different branches. Bayesian clustering procedures on 14 microsatellites (169 individuals) did...Continue Reading

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Datasets Mentioned

BETA
AF159962
AF159963
AY072580
AB551534

Methods Mentioned

BETA
PCR
electrophoresis
genotyping

Software Mentioned

Arlequin
Genetix
GenePop
PHYLIP
FigTree
Quantity One
MEGA
CONSENSE
GenAlex
Bottleneck

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