Molecular population genetics, phylogeography, and conservation biology of the mottled duck (Anas fulvigula)

@article{McCracken2004MolecularPG,
  title={Molecular population genetics, phylogeography, and conservation biology of the mottled duck (Anas fulvigula)},
  author={Kevin G. McCracken and William P. Johnson and Frederick H. Sheldon},
  journal={Conservation Genetics},
  year={2004},
  volume={2},
  pages={87-102}
}
The mottled duck (Anas fulvigula) is a year-round endemicresident of the Gulf Coast and one of two non-migratory dabbling ducksthat inhabit North America. To investigate population genetic structureof allopatric mottled duck populations, we collected 5' control regionsequences (bp 78–774) from the mitochondria of 219 mottled duckssampled at 11 widely spaced geographic localities in Texas, Louisiana,and Florida and compared them to each other and to homologous sequencesfrom 4 Mexican ducks (A… 
Old divergence and restricted gene flow between torrent duck (Merganetta armata) subspecies in the Central and Southern Andes
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It is suggested that the South American Arid Diagonal was preexisting and remains a current phylogeographic barrier between the ranges of the two torrent duck subspecies, and the adult territoriality and breeding site fidelity to the rivers define their population structure.
Rapid radiation and hybridization contribute to weak differentiation and hinder phylogenetic inferences in the New World Mallard complex (Anas spp.)
TLDR
Neither population structure analyses nor coalescent-based gene flow estimates conclusively identified the presence of hybrids or significant gene flow, suggesting that genetic similarity within the Mallard complex is largely influenced by incomplete lineage sorting, however, this cannot reject potentially high levels of gene flow.
ASYMMETRIC HYBRIDIZATION AND SEX-BIASED GENE FLOW BETWEEN EASTERN SPOT-BILLED DUCKS (ANAS ZONORHYNCHA) AND MALLARDS (A. PLATYRHYNCHOS) IN THE RUSSIAN FAR EAST
TLDR
Se sequencing of the maternally inherited mitochondrial DNA control region and ODC-6 allele sequences revealed two divergent groups of haplotypes and alleles in the Eastern Spot-billed Duck, which were monophyletic and diverged by 2–16 substitutions.
Mitochondrial phylogeography, subspecific taxonomy, and conservation genetics of sandhill cranes (Grus canadensis; Aves: Gruidae)
TLDR
Analysis of mitochondrialDNA control region (CR) sequences indicates that there is significant population genetic differentiation among all subspecies except G. c.
ASYMMETRIC HYBRIDIZATION AND SEX-BIASED GENE FLOW BETWEEN EASTERN SPOT-BILLED DUCKS (ANAS ZONORHYNCHA) AND MALLARDS (A. PLATYRHYNCHOS) IN THE RUSSIAN FAR EAST
TLDR
This analysis is the first to document the existence of two divergent haplotype and allele lineages in Asian mallard species and suggests that Eastern Spot-billed Ducks are more closely related to North America's Mottled, American Black, and Mexican ducks than they are to Mallards, which occur sympatrically in East Asia.
PHYLOGEOGRAPHY OF THE MALLARD (ANAS PLATYRHYNCHOS): HYBRIDIZATION, DISPERSAL, AND LINEAGE SORTING CONTRIBUTE TO COMPLEX GEOGRAPHIC STRUCTURE
TLDR
Overall weak phylogeographic structure and low genetic differentiation within Asia, and between Asia and North America when only group A haplotypes were evaluated, is probably explained by large long-term population sizes and significant intra-continental dispersal.
Hybridization between Mottled Ducks (Anas fulvigula maculosa) and Mallards (A. platyrhynchos) in the western Gulf Coast region
TLDR
Genetic analyses revealed levels of hybridization of ∼5–8%, with more individuals genetically assigned as hybrids from birds putatively identified as Mallards than as Mottled Ducks, suggesting that hybridization rates in the western Gulf Coast region are lower than those in Florida.
Fifty-nine microsatellite markers for hybrid classification studies involving endemic Florida Mottled Duck (Anas fulvigula fulvigula) and invasive Mallards (A. platyrhynchos)
TLDR
Markers developed in this study will be used in conjunction with existing markers to robustly classify hybrids and to assess and monitor the genetic dynamics of introgression between these waterfowl species.
Multilocus Phylogeography of a Holarctic Duck: Colonization of North America from Eurasia by Gadwall (Anas strepera)
TLDR
This study illustrates the use of multiple loci and coalescent analyses for critically testing a priori hypotheses regarding dispersal and colonization and provides an independent datapoint supporting an OW to NW bias in the direction of colonization.
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