Abstract
The Eurasian Collared Dove (Streptopelia decaocto) is one of the most successful biological invaders among terrestrial vertebrates. However, little information is available on the genetic diversity of the species. A total of 134 Eurasian Collared Doves from Europe, Asia and the Caribbean (n = 20) were studied by sequencing a 658-bp length of mitochondrial DNA (mtDNA) cytochrome oxidase I (COI). Fifty-two different haplotypes and relatively high haplotype and nucleotide diversities (Hd±SD = 0.843±0.037 and π±SD = 0.026±0.013) were detected. Haplotype Ht1 was particularly dominant: it included 44.03% of the studied individuals, and contained sequences from 75% of the studied countries. Various analyses (FST, AMOVA, STRUCTURE) distinguished 2 groups on the genetic level, designated ‘A’ and ‘B’. Two groups were also separated in the median-joining network and the maximum likelihood tree. The results of the neutrality tests were negative (Fu FS = -25.914; Tajima D = -2.606) and significantly different from zero (P≤0.001) for group A, whereas both values for group B were positive (Fu FS = 1.811; Tajima D = 0.674) and not significant (P>0.05). Statistically significant positive autocorrelation was revealed among individuals located up to 2000 km apart (r = 0.124; P = 0.001). The present results provide the first information on the genetic diversity and structure of the Eurasian Collared Dove, and can thereby serve as a factual and comparative basis for similar studies in the future.
Highlights
The Eurasian Collared Dove (Streptopelia decaocto) is one of the most successful biological invaders among terrestrial vertebrates [1]
The Eurasian Collared Dove began its expansion from India in the sixteenth century and has colonised major parts of Europe, the Middle East, the Caribbean islands and Asia throughout the centuries [2,3,4,5]
Primary and secondary feathers were preferred, since–due to their bigger calamus size–the Eurasian Collared Dove’s feathers do not contain enough blood for the extraction method used in the study
Summary
The Eurasian Collared Dove (Streptopelia decaocto) is one of the most successful biological invaders among terrestrial vertebrates [1]. The Eurasian Collared Dove began its expansion from India in the sixteenth century and has colonised major parts of Europe, the Middle East, the Caribbean islands and Asia throughout the centuries [2,3,4,5]. It reached North Africa in the late 1980s and its spread is still continuing [6,7]. Colonisation of Europe has occurred in the last 50–60 years [10,11,12,13], where the present breeding population is estimated to number 7,910,000–14,300,000
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