Search Results - "Cohas, Aurélie"

Integrated population models: powerful methods to embed individual processes in population dynamics models by Plard, Floriane, Fay, Rémi, Kéry, Marc, Cohas, Aurélie, Schaub, Michael

“…Population dynamics models have long assumed that populations are composed of a restricted number of groups, where individuals in each group have identical…”
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Sex differences in adult lifespan and aging rates of mortality across wild mammals by Lemaître, Jean-François, Ronget, Victor, Tidière, Morgane, Allainé, Dominique, Berger, Vérane, Cohas, Aurélie, Colchero, Fernando, Conde, Dalia A., Garratt, Michael, Liker, András, Marais, Gabriel A. B., Scheuerlein, Alexander, Székely, Tamás, Gaillard, Jean-Michel

“…In human populations, women consistently outlive men, which suggests profound biological foundations for sex differences in survival. Quantifying whether such…”
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Litter characteristics and helping context during early life shape the responsiveness of the stress axis in a wild cooperative breeder by Cohas, Aurélie, Bichet, Coraline, Garcia, Rébecca, Pardonnet, Sylvia, Lardy, Sophie, Rey, Benjamin

“…Stress responses have evolved to quickly and appropriately deal with environmental stressors in order to secure or restore homeostasis. Since the regulation of…”
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Extrinsic and intrinsic constraints interact to drive extra‐pair paternities in the Alpine marmot by Bichet, Coraline, Lepetit, David, Cohas, Aurélie

“…To reproduce, animals have to form pairs and large variations in the degree of mate switching are observed. Extrinsic and intrinsic factors can constrain…”
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Early and Adult Social Environments Shape Sex-Specific Actuarial Senescence Patterns in a Cooperative Breeder by Berger, Vérane, Lemaître, Jean-François, Allainé, Dominique, Gaillard, Jean-Michel, Cohas, Aurélie

“…Sociality modulates life-history traits through changes in resource allocation to fitness-related traits. However, how social factors at different stages of…”
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Influences of climatic and social environment on variable maternal allocation among offspring in Alpine marmots by Plard, Floriane, Chamiot‐clerc, Benoit, Cohas, Aurélie, Pelletier, Fanie

“…In an environment with limited resources, parents may trade‐off the number of offspring produced against offspring mass. To maximize fitness under…”
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Social structure influences extra-pair paternity in socially monogamous mammals by Cohas, Aurélie, Allainé, Dominique

“…Using the genetic estimates of paternity available for 22 species of socially monogamous mammals, we investigated the impact of the social structure and of the…”
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Variations in immune parameters with age in a wild rodent population and links with survival by Bichet, Coraline, Régis, Corinne, Gilot‐Fromont, Emmanuelle, Cohas, Aurélie

“…Recent findings suggest that immune functions do not unidirectionally deteriorate with age but that a potentially adaptive remodeling, where functions of the…”
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Geographic variation in marmots’ alarm calls causes different responses by Lengagne, Thierry, Ferrandiz-Rovira, Mariona, Superbie, Clara, Figueroa, Irene, Bichet, Coraline, Claramunt-Lopez, Bernat, Cohas, Aurélie

“…Geographic variation in acoustic signals has been investigated for five decades to better understand the evolution of communication. When receivers are able to…”
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Sex-specific determinants of fitness in a social mammal by Lardy, Sophie, Allainé, Dominique, Bonenfant, Christophe, Cohas, Aurélie

“…Sociality should evolve when the fitness benefits of group living outweigh the costs. Theoretical models predict an optimal group size maximizing individual…”
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Faithful or not: direct and indirect effects of climate on extra-pair paternities in a population of Alpine marmots by Bichet, Coraline, Allainé, Dominique, Sauzet, Sandrine, Cohas, Aurélie

“…Despite being identified an area that is poorly understood regarding the effects of climate change, behavioural responses to climatic variability are seldom…”
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Stress levels of dominants reflect underlying conflicts with subordinates in a cooperatively breeding species by Cohas, Aurélie, Rey, Benjamin, Federico, Valentine, Regis, Corinne, Lardy, Sophie, Bichet, Coraline

“…Maintaining dominance status had long been considered to be less stressful than subordination. However, no consistency in stress levels of dominant and…”
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Litter sex composition influences dominance status of Alpine marmots (Marmota marmota) by Dupont, Pierre, Pradel, Roger, Lardy, Sophie, Allainé, Dominique, Cohas, Aurélie

“…In social species, the hierarchical status of an individual has important consequences for its fitness. While many studies have focused on individual condition…”
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Neighborhood bully: no difference in territorial response toward neighbors or strangers in marmots by Ferrandiz-Rovira, Mariona, Zidat, Timothée, Dupont, Pierre, Berger, Vérane, Rézouki, Célia, Cohas, Aurélie

“…Abstract Territorial animals are expected to adjust their response to intruders according to the perceived threat level. One of the factors that drives threat…”
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Paternity success depends on male genetic characteristics in the terrestrial isopod Armadillidium vulgare by Durand, Sylvine, Cohas, Aurélie, Braquart-Varnier, Christine, Beltran-Bech, Sophie

“…Mate choice for compatible partners has been gaining interest during the past years, which implies that what represents a suitable male varies between females…”
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Ice-Age Climate Adaptations Trap the Alpine Marmot in a State of Low Genetic Diversity by Gossmann, Toni I., Shanmugasundram, Achchuthan, Börno, Stefan, Duvaux, Ludovic, Lemaire, Christophe, Kuhl, Heiner, Klages, Sven, Roberts, Lee D., Schade, Sophia, Gostner, Johanna M., Hildebrand, Falk, Vowinckel, Jakob, Bichet, Coraline, Mülleder, Michael, Calvani, Enrica, Zelezniak, Aleksej, Griffin, Julian L., Bork, Peer, Allaine, Dominique, Cohas, Aurélie, Welch, John J., Timmermann, Bernd, Ralser, Markus

“…Some species responded successfully to prehistoric changes in climate [1, 2], while others failed to adapt and became extinct [3]. The factors that determine…”
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Socially mediated effects of climate change decrease survival of hibernating Alpine marmots by Rézouki, Célia, Tafani, Marion, Cohas, Aurélie, Loison, Anne, Gaillard, Jean-Michel, Allainé, Dominique, Bonenfant, Christophe

“…1. In the context of global change, an increasing challenge is to understand the interaction between weather variables and life histories. Species-specific…”
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Testing determinants of the annual individual fitness: An overall mean mixture model for de‐lifing data by Dupont, Pierre, Allainé, Dominique, Cohas, Aurélie, Pradel, Roger, McMahon, Sean

“…The de‐lifing method (Coulson et al., 2006, Proceedings of the Royal Society of London B: Biological Sciences, 273, 547), though very promising for studying…”
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Decreasing litter size of marmots over time: a life history response to climate change? by Tafani, Marion, Cohas, Aurélie, Bonenfant, Christophe, Gaillard, Jean-Michel, Allainé, Dominique

“…The way that plants and animals respond to climate change varies widely among species, but the biological features underlying their actual response remains…”
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How do animals optimize the size-number trade-off when aging? Insights from reproductive senescence patterns in marmots by Berger, Vérane, Lemaître, Jean-François, Gaillard, Jean-Michel, Cohas, Aurélie

“…We investigated the influence of female age on five reproductive traits and on the offspring size-number trade-off from an extensive data set spanning 20 years…”
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