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Lucia Gualtieri, Etienne Bachmann, Frederik J Simons, Jeroen Tromp. (2021). Generation of secondary microseism Love waves: effects of bathymetry, 3-D structure and source seasonality (Vol. 226).
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Lisa-Marie Mazzolo. (2021).
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Lemonnier C, Schull Q, Stier A, Boonstra R, Delahanty B, Lefol E, Durand L, Robin Jp, Criscuolo F, Bize P, Viblanc Va. (2021). Coping with socially stressful environments in colonial seabirds: a test of adaptive phenotype programming in king penguins.
Abstract: Coloniality is associated with various benefits and costs for animals affecting their fitness. Breeding colonies are heterogeneous both in terms of physical and social parameters, thus, breeding territories are of different quality relative to their location within the colony. In king penguins, increased conspecific density has been correlated with increased stress level in individual birds, suggesting a cost of colonial breeding. We used a cross-fostering approach to question the relationship linking breeding location, phenotype and reproduction success. We crossfostered eggs shortly after laying within and between high-and low-density colony areas. This design allowed us to unravel the influences of early genetic and maternal effects together with rearing environments on chick growth trajectories, stress physiology and survival. We tested whether chick phenotype is determined at birth to match their early environment or if higher social density conferred an advantage for reproduction.
Programme: 119
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Lemonnier C, Schull Q, Stier A, Boonstra R, Delahanty B, Lefol E, Durand L, Robin J-p, Criscuolo F, Bize P &Amp; Va Viblanc. (2021). Coping with socially stressful environment in colonial seabirds: a test of adaptive phenotype programming in king penguins.
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Le Moan E. (2021).
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Lavrillier, A., Gabyshev S. (2021). A Siberian Indigenous Knowledge System for Understanding Climate Change (Vol. II).
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Lavrillier A. (2021). Le pas léger sur la Terre des peuples des neiges.
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. (2021). Transit timings variations in the three-planet system: TOI-270 (Vol. 510).
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Lara D. Shepherd, Colin M. Miskelly, Yves Cherel, Alan J. D. Tennyson. (2021). Genetic identification informs on the distributions of vagrant Royal (Eudyptes schlegeli) and Macaroni (Eudyptes chrysolophus) Penguins (Vol. 44).
Keywords: Antarctica Eudyptes chrysolophus Eudyptes schlegeli Genetic identification Penguin distribution Predation
Programme: 109
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. (2021). Human influence on brown trout juvenile body size during metapopulation expansion (Vol. 17).
Abstract: Change in body size can be driven by social (density) and non-social (environmental and spatial variation) factors. In expanding metapopulations, spatial sorting by means of dispersal on the expansion front can further drive the evolution of body size. However, human intervention can dramatically affect these founder effects. Using long-term monitoring of the colonization of the remote Kerguelen islands by brown trout, a facultative anadromous salmonid, we analyse body size variation in 32 naturally founded and 10 human-introduced populations over 57 years. In naturally founded populations, we find that spatial sorting promotes slow positive changes in body size on the expansion front, then that body size decreases as populations get older and local density increases. This pattern is, however, completely different in human-introduced populations, where body size remains constant or even increases as populations get older. The present findings confirm that changes in body size can be affected by metapopulation expansion, but that human influence, even in very remote environments, can fully alter this process.
Keywords: brown trout density dependence dispersal invasion biology subantarctic
Programme: 1041
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