Stable isotopes Body condition Fitness Global change Antarctic Salmo trutta Reproductive isolation Recovery Bioaccumulation Sea trout Moult Phenotypic plasticity Changement climatique Crozet Antarctica Cold stress Abundance Sélection sexuelle Oxidative stress Metabolomics Procellariiformes New species Diatoms Energy expenditure Biological invasions Foraging behavior Killer whale Breeding success Seabird Prolactin Diving behaviour Petrels Activity Kerguelen islands Ecophysiology Kerguelen Distribution Conservation biology Conservation Birds Behavioural ecology Persistent organic pollutants Acclimation Age Monetary impacts Morphology Metabolism Climate change Black-legged kittiwake Killer whales Glucocorticoids Biologging Sea ice Mirounga leonina Salmonidae Sexual selection Mercury Fish Individual quality Foraging Stress Dispersal Movement ecology Disease ecology Ecology Cold tolerance Metabolic rate Diet Insect Foraging behaviour Pygoscelis adeliae Penguins Foraging ecology Seabirds Population dynamics Personality Salmonid Ageing Migration Ontogeny InvaCost Southern Ocean Depredation GPS Reproduction GPS tracking Poisson ACL Tracking Corticosterone Marine spatial planning Mate choice Albatrosses Survival Salmonids Bio-logging Diomedea exulans Capture–mark–recapture Svalbard Fisheries