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Bibliography Record


  Satizabal, Paula; Mignucci-Giannoni, Antonio A.; Duchene, Sebastian; Caicedo-Herrera, Dalila; Perea-Sicchar, Carlos M.; Garcia-Davila, Carmen R.; Trujillo, Fernando; Caballero, Susana J.
  2012
Phylogeography and sex-biased dispersal across riverine manatee populations (Trichechus inunguis and Trichechus manatus) in South America.
PLoS ONE 7(12): 10 pp. 4 tabs. 4 figs. DOI: 10.1371/journal.pone.0052468. Dec. 20, 2012.
–ABSTRACT: Phylogeographic patterns and sex-biased dispersal were studied in riverine populations of West Indian (Trichechus manatus) and Amazonian manatees (T. inunguis) in South America, using 410bp D-loop (Control Region, Mitochondrial DNA) sequences and 15 nuclear microsatellite loci. This multi-locus approach was key to disentangle complex patterns of gene flow among populations. D-loop analyses revealed population structuring among all Colombian rivers for T. manatus, while microsatellite data suggested no structure. Two main populations of T. inunguis separating the Colombian and Peruvian Amazon were supported by analysis of the D-loop and microsatellite data. Overall, we provide molecular evidence for differences in dispersal patterns between sexes, demonstrating male-biased gene flow dispersal in riverine manatees. These results are in contrast with previously reported levels of population structure shown by microsatellite data in marine manatee populations, revealing low habitat restrictions to gene flow in riverine habitats, and more significant dispersal limitations for males in marine environments.

Related Index Records


18 related index terms

Accidental Death or Injury
(SEE ALSO: Conservation; Hunting and Capture; Natural Death or Injury)
  *2012Bonde, Mignucci-Giannoni, & Bossart (pathology & mortality assessment)
Brazil
   2012Self-Sullivan & Mignucci-Giannoni (TM; status & conservation)
Caribbean Sea
(SEE ALSO: Central America; Cuba; Haiti; Jamaica; Mexico; Panama; Puerto Rico; South America; West Indies)
  *2012Self-Sullivan & Mignucci-Giannoni (TM; distribution, status, & conservation)
Conservation
(SEE ALSO: Accidental Death or Injury; Economic Uses; Hunting and Capture; Weed Control)
   2012Self-Sullivan & Mignucci-Giannoni (TM; Caribbean Sea; distribution & status)
  *2012Bonde, Mignucci-Giannoni, & Bossart (pathology & mortality assessment)
Costa Rica
(SEE ALSO: Central America)
   2012Self-Sullivan & Mignucci-Giannoni (TM; status & conservation)
Dominican Republic
   2012Self-Sullivan & Mignucci-Giannoni (TM; status & conservation)
Genetics
(SEE ALSO: Phylogeny and Affinities)
   2012Satizabal et al. (TI, TMM; South America; phylogeography)
Haiti
   2012Self-Sullivan & Mignucci-Giannoni (TM; status & conservation)
Natural Death or Injury
(SEE ALSO: Captivity, Sirenians in; Natural Enemies; Pathology; Temperature, Effects of)
  *2012Bonde, Mignucci-Giannoni, & Bossart (pathology & mortality assessment)
Nicaragua
(SEE ALSO: Central America)
   2012Self-Sullivan & Mignucci-Giannoni (TM; status & conservation)
Parasitology
(SEE ALSO: Bacteriology; Community Ecology; Parasites)
  *2012Bonde, Mignucci-Giannoni, & Bossart (pathology & mortality assessment)
Pathology
(SEE ALSO: Bacteriology; Biochemistry; Natural Death or Injury; Parasites; Parasitology; Pollution, Effects of; Temperature, Effects of; Teratology; Virology)
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Population Biology
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South America
(SEE ALSO under countries)
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Temperature, Effects of
(SEE ALSO: Behavior, Shelter-seeking or Escape; Migration & Movements; Natural Death or Injury; Pollution, Effects of; Thermoregulation)
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Trichechus inunguis (Natterer in von Pelzeln, 1883) Thomas and Lydekker, 1897
   2012Satizabal et al. (TI, TMM; South America; phylogeography)
Trichechus manatus Linnaeus, 1758
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Trichechus manatus manatus Linnaeus, 1758, Hatt, 1934
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