Validación de la presencia de Liolaemus kingii (Bell, 1843) (Iguania: Liolaemidae) en Chile

Ávila, Jorge Mella; Mella-Romero, Jorge; Cortés, Felipe Reyes; Villouta, Cristián Muñoz

doi:10.54830/bmnhn.v67.n2.2018.27

Boletín MNHN

2018

DOI: 10.54830/bmnhn.v67.n2.2018.27

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Validación de la presencia de Liolaemus kingii (Bell, 1843) (Iguania: Liolaemidae) en Chile

Jorge Mella Ávila¹,

Jorge Mella-Romero

Felipe Reyes Cortés³

et al.

Abstract: Se registró la presencia de Liolaemus kingii en ambiente de estepa patagónica, ribera norte del lago General Carrera, en las cercanías de Puerto Ingeniero Ibáñez, Región de Aysén, con lo que se valida la presencia de esta especie para Chile.

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2024

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Tracing evolutionary trajectories in the presence of gene flow in South American temperate lizards (Squamata: Liolaemus kingii group)

Sánchez,

Recknagel,

Elmer

et al. 2024

Evolution

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Evolutionary processes behind lineage divergence often involve multidimensional differentiation. However, in the context of recent divergences, the signals exhibited by each dimension may not converge. In such scenarios, incomplete lineage sorting, gene flow, and scarce phenotypic differentiation are pervasive. Here, we integrated genomic (RAD loci of 90 individuals), phenotypic (linear and geometric traits of 823 and 411 individuals, respectively), spatial, and climatic data to reconstruct the evolutionary history of a speciation continuum of liolaemid lizards (Liolaemus kingii group). Specifically, we (i) inferred the population structure of the group and contrasted it with the phenotypic variability; (ii) assessed the role of post-divergence gene flow in shaping phylogeographic and phenotypic patterns; and (iii) explored eco-geographic drivers of diversification across time and space. We inferred eight genomic clusters exhibiting leaky genetic borders coincident with geographic transitions. We also found evidence of post-divergence gene flow resulting in transgressive phenotypic evolution in one species. Predicted ancestral niches unveiled suitable areas in southern and eastern Patagonia during glacial and interglacial periods. Our study underscores integrating different data and model-based approaches to determine the underlying causes of diversification, a challenge faced in the study of recently diverged groups. We also highlight Liolaemus as a model system for phylogeographic and broader evolutionary studies.

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Tracing evolutionary trajectories in the presence of gene flow in South American temperate lizards (Squamata: Liolaemus kingii group)

Sánchez,

Recknagel,

Elmer

et al. 2024

Evolution

View full text Add to dashboard Cite

show abstract

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Validación de la presencia de Liolaemus kingii (Bell, 1843) (Iguania: Liolaemidae) en Chile

Abstract: Se registró la presencia de Liolaemus kingii en ambiente de estepa patagónica, ribera norte del lago General Carrera, en las cercanías de Puerto Ingeniero Ibáñez, Región de Aysén, con lo que se valida la presencia de esta especie para Chile.

Cited by 1 publication

References 4 publications

Tracing evolutionary trajectories in the presence of gene flow in South American temperate lizards (Squamata: Liolaemus kingii group)

Tracing evolutionary trajectories in the presence of gene flow in South American temperate lizards (Squamata: Liolaemus kingii group)

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