Check out my profile on Research Gate and on Google Scholar or explore my full publication list below. Most papers are available online through the public repository at HAL CNRS
2015
1.
Paulina Artacho; Julia Saravia; Beatriz Decencière Ferrandière; Samuel Perret; Jean-François Le Galliard
Quantification of correlational selection on thermal physiology, thermoregulatory behavior, and energy metabolism in lizards Journal Article
In: Ecology and Evolution, vol. 5, no. 17, pp. 3600–3609, 2015, ISSN: 2045-7758.
Abstract | Links | BibTeX | Tags: metabolism, natural selection, squamate reptiles, thermal coadaptation
@article{artacho_quantification_2015,
title = {Quantification of correlational selection on thermal physiology, thermoregulatory behavior, and energy metabolism in lizards},
author = {Paulina Artacho and Julia Saravia and Beatriz Decencière Ferrandière and Samuel Perret and Jean-François Le Galliard},
url = {https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.1548},
doi = {https://doi.org/10.1002/ece3.1548},
issn = {2045-7758},
year = {2015},
date = {2015-01-01},
journal = {Ecology and Evolution},
volume = {5},
number = {17},
pages = {3600--3609},
abstract = {Phenotypic selection is widely accepted as the primary cause of adaptive evolution in natural populations, but selection on complex functional properties linking physiology, behavior, and morphology has been rarely quantified. In ectotherms, correlational selection on thermal physiology, thermoregulatory behavior, and energy metabolism is of special interest because of their potential coadaptation. We quantified phenotypic selection on thermal sensitivity of locomotor performance (sprint speed), thermal preferences, and resting metabolic rate in captive populations of an ectothermic vertebrate, the common lizard, Zootoca vivipara. No correlational selection between thermal sensitivity of performance, thermoregulatory behavior, and energy metabolism was found. A combination of high body mass and resting metabolic rate was positively correlated with survival and negatively correlated with fecundity. Thus, different mechanisms underlie selection on metabolism in lizards with small body mass than in lizards with high body mass. In addition, lizards that selected the near average preferred body temperature grew faster that their congeners. This is one of the few studies that quantifies significant correlational selection on a proxy of energy expenditure and stabilizing selection on thermoregulatory behavior.},
keywords = {metabolism, natural selection, squamate reptiles, thermal coadaptation},
pubstate = {published},
tppubtype = {article}
}
Phenotypic selection is widely accepted as the primary cause of adaptive evolution in natural populations, but selection on complex functional properties linking physiology, behavior, and morphology has been rarely quantified. In ectotherms, correlational selection on thermal physiology, thermoregulatory behavior, and energy metabolism is of special interest because of their potential coadaptation. We quantified phenotypic selection on thermal sensitivity of locomotor performance (sprint speed), thermal preferences, and resting metabolic rate in captive populations of an ectothermic vertebrate, the common lizard, Zootoca vivipara. No correlational selection between thermal sensitivity of performance, thermoregulatory behavior, and energy metabolism was found. A combination of high body mass and resting metabolic rate was positively correlated with survival and negatively correlated with fecundity. Thus, different mechanisms underlie selection on metabolism in lizards with small body mass than in lizards with high body mass. In addition, lizards that selected the near average preferred body temperature grew faster that their congeners. This is one of the few studies that quantifies significant correlational selection on a proxy of energy expenditure and stabilizing selection on thermoregulatory behavior.