Population genetic structure of wild and farmed rusa deer (Cervus timorensis russa) in New-Caledonia inferred from polymorphic microsatellite loci

Historical records indicate that 12 rusa deer (Cervus timorensis russa) were introduced in New-Caledonia during the 1870s. We used eight polymorphic microsatellite DNA loci to assess the genetic differentiation and diversity of farmed and wild deer populations. Past genetic bottlenecks were detected...

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Bibliographic Details
Published in:Genetica 2009-12, Vol.137 (3), p.313-323
Main Authors: de Garine-Wichatitsky, M, de Meeûs, T, Chevillon, C, Berthier, D, Barré, N, Thévenon, S, Maillard, J.-C
Format: Article
Language:English
Subjects:
Animal Genetics and Genomics
Animals
Animals, Domestic - genetics
Animals, Wild - genetics
Biodiversity and Ecology
Biomedical and Life Sciences
Cervus timorensis russa
Deer
Deer - genetics
Environmental Sciences
Evolutionary Biology
Farm structure
Female
Genetic diversity
Genetic Loci
Genetic Speciation
Genetic structure
Genetics
Genetics, Population
Human Genetics
Life Sciences
Linkage Disequilibrium
Male
Microbial Genetics and Genomics
Microsatellite Repeats - genetics
New Caledonia
Offspring
Phylogeny
Plant Genetics and Genomics
Polymorphism, Genetic
Populations and Evolution
Sexual Behavior, Animal - physiology
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Summary:Historical records indicate that 12 rusa deer (Cervus timorensis russa) were introduced in New-Caledonia during the 1870s. We used eight polymorphic microsatellite DNA loci to assess the genetic differentiation and diversity of farmed and wild deer populations. Past genetic bottlenecks were detected in both sub-populations, although higher genetic diversity was maintained in farmed populations, probably due to the regular introduction of reproducers from wild populations and from other farms. The genetic structure of farmed and wild populations differed significantly. There was a significant isolation by distance for wild populations, whereas farmed populations were significantly differentiated between farms independently from their geographical proximity. Wild rusa deer consisted of small populations (with effective population sizes ranging between 7 and 19 individuals depending on the methods used), with a low parent-offspring dispersion range (0.20-2.02 km). Genetic tools and direct observations provided congruent estimates of dispersion and population sizes. We discuss the relevance of our results for management purposes.
ISSN:0016-6707
1573-6857
DOI:10.1007/s10709-009-9395-6