J.-M. Gaillard

Density dependence shapes life-history trade-offs in a food limited ungulate population

This study shows density dependence shapes life-history trade-offs and reproductive success distribution in Soay sheep populations.

Reproductive tactics, birth timing and the trade-off between risk avoidance and foraging in an income breeder

This study examines how female roe deer adjust foraging and risk avoidance behaviors during birth, showing increased activity and habitat use changes post-partum, especially in late-parturient females.

Deleterious effects of thermal and water stresses on life history and physiology: a case study on woodlouse

This study examines how thermal and water stresses affect life history and physiological traits in woodlice, finding reduced reproductive success and altered biomarkers under these stressors.

Glucocorticoids negatively relate to body mass on the short-term in a free-ranging ungulate

The paper examines the relationship between baseline glucocorticoid levels and body mass in roe deer, finding a negative correlation that persists across different environmental contexts.

Body mass change over winter is consistently sex-specific across roe deer (Capreolus capreolus) populations

The paper examines sex-specific body mass changes in roe deer over winter across different populations, finding males lose more mass than females, reducing sexual dimorphism before the mating season.

Density dependent environments can select for extremes of body size

The paper develops size-structured models to explore how density dependence influences body size evolution, showing that gigantism or dwarfism depends on population maturity proportions and developmental trajectories.

Population density and plant availability interplay to shape browsing intensity by roe deer in a deciduous forest

The paper investigates how roe deer browsing intensity responds to population density and plant availability in a deciduous forest, finding a non-linear, density-dependent relationship.

Epigenetic predictors of maximum lifespan and other life history traits in mammals

The paper develops methylation-based models to predict maximum lifespan and other life history traits in mammals using data from 12,000 samples across 192 species.

Life-history dynamics: damping time, demographic dispersion and generation time

The paper analyzes damping time across 600+ species and finds it scales with generation time, independent of demographic dispersion, suggesting slow life-history species are more vulnerable to disturbances.

Is degree of sociality associated with reproductive senescence? A comparative analysis across birds and mammals

This study investigates whether sociality degree is linked to reproductive senescence in birds and mammals, finding weak associations after accounting for body size and pace of life.

Epigenetic clock and DNA methylation studies of roe deer in the wild

This study develops epigenetic clocks for roe deer to assess how environment and sex influence DNA methylation aging in wild populations.

Distributions of LRS in varying environments

The paper examines how lifetime reproductive success (LRS) distributions vary in different environments using Roe deer data and stochastic models.

The crustacean Armadillidium vulgare (Latreille, 1804) (Isopoda: Oniscoidea), a new promising model for the study of cellular senescence

This study examines age-related changes in vertebrate senescence biomarkers in the woodlouse Armadillidium vulgare, finding gender-dependent patterns that support the use of vertebrate tools in invertebrate senescence research.

Efficient use of harvest data: An integrated population model for exploited animal populations

This paper introduces an integrated population model that efficiently uses body mass data to estimate demographic parameters for exploited animal populations.

Skewed distributions of LRS: beyond mean and variance

The paper develops tools to generate lifetime reproductive success (LRS) distributions from structured models and shows they align with observed data, explaining skewed LRS patterns and resolving a selection debate.

Impact of temperature and photoperiod on survival and biomarkers of senescence in common woodlouse

This study investigates how temperature and photoperiod affect senescence biomarkers and survival in common woodlouse, revealing sex-specific responses and environmental influences on aging patterns.

Population responses of naive roe deer to the recolonization of the French Vercors by wolves

This study examines how roe deer populations in the French Vercors responded to wolf recolonization, finding delayed recovery and reduced fawn body mass in areas with higher wolf presence.

Estimating the abundance of duiker (Cephalophus spp.) populations in African rainforests: an overview of relevant methods

This paper reviews 31 studies on duiker population abundance estimation in African rainforests, evaluates seven methods, and recommends distance sampling for its balance of cost and biological information.

Individual heterogeneity and capture-recapture models: what, why and how?

The paper reviews individual heterogeneity in capture-recapture models, explains its importance in population dynamics, and provides code for modeling it with imperfect detection.

Modeling Adaptive and Non-adaptive Responses of Populations to Environmental Change

The paper develops models to predict population responses to environmental change by linking quantitative genetics with data-driven models, showing that evolutionary responses are slower than plastic ones and depend on plastic adaptiveness.