Título del libro: Conservation Genetics In Mammals: Integrative Research Using Novel Approaches
Título del capítulo: Conservation genetics, demographic history, and climatic distribution of the nine-banded armadillo (Dasypus novemcinctus): An analysis of its mitochondrial lineages
LUIS ENRIQUE EGUIARTE FRUNS; RODRIGO ANTONIO MEDELLIN LEGORRETA;
Autores externos:
Idioma:
Año de publicación:
2020
Palabras clave:
Cingulata; Climatic distribution; Control region; Genetic diversity; Genetic structure
Resumen:
For species widely distributed on the American continent, we can expect to find divergent lineages because historical events, such as the Andean uplift, the emergence of the Panama isthmus, and the Milankovitch climate cycles, affected genetic connections among populations, as well as population sizes. There are only one mammalian species on the American continent, which shows a transcontinental distribution (from South to North America) and had a South American origin, the nine-banded armadillo (Dasypus novemcinctus). By sampling 242 D. novemcinctus from 16 countries, we explored the number of mitochondrial lineages across its complete range and assessed the climatic distribution and demographic history. We found four well-supported and highly divergent monophyletic lineages, which show a parapatric distribution. The geographic distribution of three of those lineages is wide, and the climatic conditions that they occupy are very different. In the middle of the Pleistocene, strong demographic expansions occurred in populations from three lineages, while in the Last Glacial Maximum (LGM), population sizes of the four lineages apparently were stable, despite the dramatic changes detected in available areas with a suitable habitat. The geographic distribution of the mitochondrial lineages does not correspond with the six subspecies defined by morphological characteristics. Our results provide tools for planning future studies utilizing ecological, morphological, and genomic analyses to elucidate the number of taxonomic units, which should be recognized. A clear delineation of the distribution and status of these units will be invaluable for the conservation management of the nine-banded armadillo. © Smithsonian Institution 2020.
Entidades citadas de la UNAM:
ISBN:
9783030333348
Editorial:
Springer International Publishing Nombre de la publicación:
Conservation genetics, demographic history, and climatic distribution of the nine-banded armadillo (Dasypus novemcinctus): An analysis of its mitochondrial lineages
Página inicial:
141
Página final:
163
