Emmanuelle Chrétien

Emmanuelle Chrétien
Institut National de la Recherche Scientifique | INRS · Eau Terre Environnement Centre

Ph D
Post-doc at INRS-ETE Effects of heat stress events & thermal refuge on Atlantic salmon growth, condition, and survival

About

11
Publications
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Citations
Introduction
Emmanuelle Chretien currently works at INRS-ETE. Emmanuelle's research explore the effects of heat stress and thermal refuge availability on juvenile Atlantic salmon growth, smolt condition, and marine smolt survival.

Publications

Publications (11)
Article
Full-text available
Wild animals have parasites that can compromise their physiological and/or behavioural performance. Yet, the extent to which parasite load is related to intraspecific variation in performance traits within wild populations remains relatively unexplored. We used pumpkinseed sunfish (Lepomis gibbosus) and their endoparasites as a model system to expl...
Preprint
Wild animals have parasites that can compromise their physiological and/or behavioural performance. Yet, the extent to which parasite load is related to intraspecific variation in performance traits within wild populations remains relatively unexplored. We used pumpkinseed sunfish (Lepomis gibbosus) and their endoparasites as a model system to expl...
Article
Full-text available
Group living is widespread among animal species and yields both costs and benefits. Presence of conspecifics can restrict or enhance the expression of individual behaviour, and the recent social environment is thought to affect behavioural responses in later contexts, even when individuals are alone. However, little is known about how social group...
Preprint
Full-text available
Group living is widespread among animal species and yields both costs and benefits. Presence of conspecifics can restrict or enhance the expression of individual behaviour, and the recent social environment is thought to affect behavioural responses in later contexts, even when individuals are alone. However, little is known about how social dynami...
Article
Availability of shelter is an important component of habitat selection for animals as it can influence survival (protection against harsh physical conditions and predation) and growth (energy acquisition and expenditure). Few studies address the effect of shelter on metabolic expenditures associated to non‐mechanical tasks (excluding station holdin...
Article
We tested whether thermal tolerance and aerobic performance differed between two populations of Nile perch (Lates niloticus) originating from the same source population six decades after their introduction into two lakes in the Lake Victoria basin in East Africa. We used short‐term acclimation of juvenile fish to a range of temperatures from ambien...
Presentation
Full-text available
Conference on oral communication in research given at EcoLac-GRIL fall workshops 2018 to an audience of students (from undergrad to PhD) and post-docs in the field of limnology and aquatic ecology. This presentation focusses on the importance of acknowledging the context in which the communication is taking place, as well as the importance to kno...
Article
Full-text available
Key to predicting the response of fishes to climate change is quantifying how close fish are to their critical thermal limits in nature and their ability to adjust their thermal sensitivity to maintain performance. Here, we evaluated the effects of body size and habitat on aerobic scope (AS) and thermal tolerance of Nile perch Lates niloticus (L.),...
Article
Full-text available
The introduction of the large piscivorous Nile perch Lates niloticus (L.) into Lake Nabugabo, Uganda, coincided with a collapse of the native fish community and the development of a fishing industry dominated by Nile perch. Some native fish have persisted in the face of Nile perch predation through use of hypoxic wetlands that may serve as both str...
Chapter
In this workshop, you will learn the basics of multivariate ordination analyses for your own data. You will learn to choose appropriate distance metrics and transformations for unconstrained ordinations (Principal Component Analysis and Principal Coordinate Analysis), to find patterns in your community composition data, and then to use constrained...

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Projects

Projects (3)
Project
Does habitat selection have physiological consequences? Ecophysiology approaches provide a mechanistic understanding of the relationship between fish and its habitat (e.g. water temperature, flow regime). Combining fieldwork and lab experiments, this current project aims at assessing influences of the physical and social environment on fish metabolic traits and behavioural responses.