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2016
1.
Alexis Rutschmann; Donald B Miles; Jean-François Le Galliard; Murielle Richard; Sylvain Moulherat; Barry Sinervo; Jean Clobert
Climate and habitat interact to shape the thermal reaction norms of breeding phenology across lizard populations Journal Article
In: Journal of Animal Ecology, vol. 85, no. 2, pp. 457–466, 2016, ISSN: 1365-2656.
Abstract | Links | BibTeX | Tags: phenology, phenology, phenotypic plasticity, phenotypic plasticity, thermal sensitivity, Zootoca vivipara
@article{rutschmann_climate_2016,
title = {Climate and habitat interact to shape the thermal reaction norms of breeding phenology across lizard populations},
author = {Alexis Rutschmann and Donald B Miles and Jean-François Le Galliard and Murielle Richard and Sylvain Moulherat and Barry Sinervo and Jean Clobert},
url = {https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/1365-2656.12473},
doi = {https://doi.org/10.1111/1365-2656.12473},
issn = {1365-2656},
year = {2016},
date = {2016-01-01},
journal = {Journal of Animal Ecology},
volume = {85},
number = {2},
pages = {457--466},
abstract = {* Substantial plastic variation in phenology in response to environmental heterogeneity through time in the same population has been uncovered in many species. However, our understanding of differences in reaction norms of phenology among populations from a given species remains limited. * As the plasticity of phenological traits is often influenced by local thermal conditions, we expect local temperature to generate variation in the reaction norms between populations. * Here, we explored temporal variation in parturition date across 11 populations of the common lizard (Zootoca vivipara) from four mountain chains as a function of air temperatures during mid-gestation. We characterized among-population variation to assess how local weather conditions (mean and variance of ambient temperatures during mid-gestation) and habitat openness (an index of anthropogenic disturbance) influence the thermal reaction norms of the parturition date. * Our results provide evidence of interactive effects of anthropogenic disturbance and thermal conditions, with earlier parturition dates in warmer years on average especially in closed habitats. * Variation in the reaction norms for parturition date was correlated with mean local thermal conditions at a broad geographical scale. However, populations exposed to variable thermal conditions had flatter thermal reaction norms. * Assessing whether environmental heterogeneity drives differentiation among reaction norms is crucial to estimate the capacity of different populations to contend with projected climatic and anthropogenic challenges.},
keywords = {phenology, phenology, phenotypic plasticity, phenotypic plasticity, thermal sensitivity, Zootoca vivipara},
pubstate = {published},
tppubtype = {article}
}
* Substantial plastic variation in phenology in response to environmental heterogeneity through time in the same population has been uncovered in many species. However, our understanding of differences in reaction norms of phenology among populations from a given species remains limited. * As the plasticity of phenological traits is often influenced by local thermal conditions, we expect local temperature to generate variation in the reaction norms between populations. * Here, we explored temporal variation in parturition date across 11 populations of the common lizard (Zootoca vivipara) from four mountain chains as a function of air temperatures during mid-gestation. We characterized among-population variation to assess how local weather conditions (mean and variance of ambient temperatures during mid-gestation) and habitat openness (an index of anthropogenic disturbance) influence the thermal reaction norms of the parturition date. * Our results provide evidence of interactive effects of anthropogenic disturbance and thermal conditions, with earlier parturition dates in warmer years on average especially in closed habitats. * Variation in the reaction norms for parturition date was correlated with mean local thermal conditions at a broad geographical scale. However, populations exposed to variable thermal conditions had flatter thermal reaction norms. * Assessing whether environmental heterogeneity drives differentiation among reaction norms is crucial to estimate the capacity of different populations to contend with projected climatic and anthropogenic challenges.