Population differentiation and historical demography of the threatened snowy plover Charadrius nivosus (Cassin, 1858)

Delineating conservation units is a complex and often controversial process that is particularly challenging for highly vagile species. Here, we reassess population genetic structure and identify those populations of highest conservation value in the threatened snowy plover ( Charadrius nivosus, Cas...

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Bibliographic Details
Published in:Conservation genetics 2020-06, Vol.21 (3), p.387-404
Main Authors: D’Urban Jackson, Josephine, Bruford, Michael W., Székely, Tamás, DaCosta, Jeffrey M., Sorenson, Michael D., Russo, Isa-Rita M., Maher, Kathryn H., Cruz-López, Medardo, Galindo-Espinosa, Daniel, Palacios, Eduardo, De Sucre-Medrano, Atahualpa Eduardo, Cavitt, John, Pruner, Raya, Morales, Alcides L., Gonzalez, Oscar, Burke, Terry, Küpper, Clemens
Format: Article
Language:English
Subjects:
Animal Genetics and Genomics
Aquatic birds
Biodiversity
Biomedical and Life Sciences
Charadrius
Conservation
Conservation Biology/Ecology
Delineation
Demography
Deoxyribonucleic acid
Differentiation
DNA
Ecology
Evolutionary Biology
Genetic distance
Genetic structure
Life Sciences
Microsatellites
Mitochondrial DNA
Nucleotides
Plant Genetics and Genomics
Population differentiation
Population genetics
Population structure
Populations
Research Article
Single-nucleotide polymorphism
Spatial data
Vagile species
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Summary:Delineating conservation units is a complex and often controversial process that is particularly challenging for highly vagile species. Here, we reassess population genetic structure and identify those populations of highest conservation value in the threatened snowy plover ( Charadrius nivosus, Cassin, 1858), a partial migrant shorebird endemic to the Americas. We use four categories of genetic data—mitochondrial DNA (mtDNA), microsatellites, Z-linked and autosomal single nucleotide polymorphisms (SNPs)—to: (1) assess subspecies delineation and examine population structure (2) compare the sensitivity of the different types of genetic data to detect spatial genetic patterns, and (3) reconstruct demographic history of the populations analysed. Delineation of two traditionally recognised subspecies was broadly supported by all data. In addition, microsatellite and SNPs but not mtDNA supported the recognition of Caribbean snowy plovers ( C. n. tenuirostris ) and Floridian populations (eastern C. n. nivosus ) as distinct genetic lineage and deme, respectively. Low migration rates estimated from autosomal SNPs ( m  
ISSN:1566-0621
1572-9737
DOI:10.1007/s10592-020-01256-8