NEVOUX Marie
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Scientist Theme(s) : Population dynamics, life history trait, Ecology
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Address: UMR DECOD, 65 rue de Saint-Brieuc Bât. 19 , CS 84215, 35042 Rennes Cedex, France Keywords: Ecology and evolution, Population dynamics, Life history strategy, Environmental variability, Conservation biology  |
Current Position
2025- Head of INRAE lab in Rennes, within the UMR DECOD
Expertise
Ecology and evolution, Population dynamics, Life history strategy, Environmental variability, Conservation biology
Research
Current Research Topics
Due to their complex life cycle, diadromous fish are key witnesses of local and global ecosystem disturbances. Understanding the dynamics of these populations is a major scientific and societal challenge to ensure both their conservation and exploitation. In this context, my work aims to understand the response of salmonid populations to environmental changes. In particular, I am interested in explaining variations in life history traits by demographic mechanisms, with application for the management of Atlantic salmon and sea trout. Working with long-term monitoring and scale archives, I seek to reduce the uncertainty on empirical observations, to improve the description of inter-individual heterogeneity and inter-population comparisons. I combine population and individual approaches to study the effect of the environment on salmonids body size, age structure, migration decision and population dynamics. In particular, my aim is to explicitly consider individual growth at the core of Atlantic salmon life cycle to better understand the key constraints shaping demographic transitions and population responses to a changing environment, in freshwater and at sea.
Collaborations
- INRAE, ECOBIOP research unit , France
- INRA,Game and Wildlife Conservation Trust, Royaume-Uni
- LUKE, Finland
Current projects
Automatic analysis of acoustic camera data with Convolutional Neural Networks (CNN) | Timeframe : 2019 - Keywords : Caméra acoustique ARIS, Automatisation, Réseaux de neurones convolutifs, Deep-learning |
SELUNE Multidisciplinary study of the Selune river restoration following the removal of two large dams | Timeframe : 2012 - 2028 Keywords : Connectivité / Cycle de vie / Dynamique des populations / Ecologie spatiale / Fronts de colonisation / Habitats essentiels / Interactions trophiques / Invasions biologiques / Migration / Restauration / Barrages / Biofilms / Communautés / Dispersion / Ecosystèmes / Individus / Macroinvertébrés / Phytoplankton / Plantes / Poissons / Populations / ADNe / Analyses de séries temporelles / Biologging / Capture, échantillonnage et inventaire / Génétique quantitative / Hydroacoustique / Isotopes stables / Marquage-recapture / Télémétrie |
Response of migratory fish populations to climate change: an approach using size-structured demographic models | Timeframe : 2024 - 2027 Keywords : Dynamique des populations / Traits phénotypiques / Changement climatique / Modélisation statistique |
DIAdromous Species: moving towards new PARadigms to achieve holistic scientific Advice | Timeframe : 2024 - 2026 Keywords : Cycle de vie / Dynamique des populations / Evaluation / Traits phénotypiques / Changement climatique / Pêche / Poissons / Populations / Développement de scripts / Modélisation statistique |
Modelling Atlantic salmon population dynamics and improving stock assessment for all stock units in the North Atlantic: a large scale approach to unravel the fingerprints of global changes | Timeframe : 2016 - 2024 Keywords : Saumon atlantique, dynamique de population, gestion, pêche, incertitudes, changements globaux, modèles Bayesiens |
Consulting Experience
Member of the COGEPOMI-Bretagne (management committee for migratory fish)
Member of the Research, Development and Innovation Pole //"Management of Migratory Fish in their Environment//"
Member of the ICES Sea Trout Working Group (WGTRUTTA)
Member of the international IUCN group on salmonids
Member of the scientific commitee of the national natural reserves of Séné and Chérine
M.Sc. and Ph.D. Supervision
M.Sc. Students
BOULAIRE, E. (2024) Atlantic salmon under climate change. Understanding the influence of growth in demographics and population dynamics.
SANTANBIEN, V. (2020) .Identifier les liens entre croissance et strategies d?histoire de vie sexes specifiques chez le saumon et leurs consequences sur la dynamique des populations, a partir de l?analyse de ses ecailles
SILVE, V. (2019) .Modeliser la croissance du saumon a partir de l'analyse de ses ecailles
GUEGANT, E. (2017) .Reconquete de la qualite de l?eau en Bretagne : a quels effets structurels et fonctionnels peut-on s?attendre pour les populations de Saumon Atlantique ?
HOTIN, D. (2016) .Caracterisation de l?abondance des juveniles de saumon sur les cours d?eau bretons
RABAULT, F. (2016) .Estimation du sexe-ratio des saumons atlantiques adultes sur le Scorff a partir de la mesure d'un caractere sexuel secondaire
LE COR, F. (2016) .Etude du succes reproducteur et des strategies d'histoire de vie chez les salmonides
BAUDOUIN, A. (2014) .Etude du compromis entre croissance et survie dans un contexte de changement climatique chez les juveniles de saumon atlantique
RAFFAULT, C. (2022) Modélisation des facteurs intrinsèques et extrinsèques qui déterminent les décisions relatives au cycle de vie liées à la croissance chez deux espèces de salmonidés
Ph.D. Students
TREHIN, C. (2022) .Reponse des populations de salmonides migrateurs aux changements globaux : Role de la croissance dans les strategies d?histoire de vie et la dynamique de population chez le saumon atlantique Salmo salar
OLMOS, M. (2019) .Investigating the drivers of Atlantic salmon populations decline across the North Atlantic basin
MONTORIO, L. (2017) .Impact of global changes on life history, demography and populations dynamics in salmonids
OOSTHUIZEN, C. (2012-2016) .Environmental variability, life history traits and population dynamics in southern elephant seals at Marion Island
Publications
Selection of Scientific Products
André Guirec, Josset Quentin, Launey Sophie, Nevoux Marie, Beaulaton Laurent (2024). Synthèse sur l’état des populations, des pressions et des modalités de gestion de la truite de mer en France. Rapport final, Office Francais de la Biodiversité; Inrae; Institut agro Rennes Angers; UPPA; Pôle Gestion des Migrateurs Amphihalins dans leur Environnement, OFB, INRAE, INSTITUT AGRO, UNIV PAU & PAYS ADOUR/E2S UPPA (MIAME). 2024
Diack Graeme, Bird Tom, Akenhead Scott, Bayer Jennifer, Brophy Deirdre, Bull Colin, de Eyto Elvira, Johnson Brett, Jones Matthew, Knight Alexis, Nevoux Marie, van der Stap Tim, Walker Alan (2024). Salmon Data Mobilization. North Pacific Anadromous Fish Commission Bulletin, 2024, 7, pp.61-76. ⟨10.23849/npafcb7/x3rlpo23a⟩
Josset Quentin, Beaulaton Laurent, Romakkaniemi Atso, Nevoux Marie (2024). Changes in length-at-first return of a sea trout (Salmo trutta) population in northern France. Peer Community Journal, 2024, 4, e44, 22 p. ⟨10.24072/pcjournal.411⟩
Sheehan Timothy, Gargan Paddy, Kerr Brendan, Nevoux Marie, Ravn Malu, Nygaard Rasmus, Bradbury Ian, Robertson Martha, Maoiléidigh Niall (2024). The International Sampling Program: continent of origin and biological characteristics of Atlantic salmon (Salmo salar) collected at West Greenland in 2020 and 2021. 24-01, Northeast Fisheries Science Center (NEFSC) Reference Documents. 2024, 69 p
Boulenger Clarisse, Roussel Jean-Marc, Beaulaton Laurent, Martignac François, Nevoux Marie (2024). Diadromous fish run assessment: a double-observer model using acoustic cameras to correct imperfect detection and improve population abundance estimates. Frontiers in Ecology and Evolution, 2024, 11, ⟨10.3389/fevo.2023.1250785⟩
Fernandez Garcia Guglielmo, Corpetti Thomas, Nevoux Marie, Beaulaton Laurent, Martignac François (2023). AcousticIA, a deep neural network for multi-species fish detection using multiple models of acoustic cameras. Aquatic Ecology, 2023, 57 (4), pp.881-893. ⟨10.1007/s10452-023-10004-2⟩
Banas Neil, Bean Colin, Bolstad Geir, Campbell Andrew, Diack Graeme, Elliott Sophie, Kavanagh Ailbhe, Mcginnity Philip, Mills Kathy, Nevoux Marie, Nolan Glenn, Rivot Etienne (2023). The Second ICES/NASCO Workshop on Salmon Mortality at Sea (WKSalmon2; outputs from 2022 meeting). International Council for the Exploration of the Sea (ICES). 2023
Evanno Guillaume, Hoffmann Legrand Marion, Nevoux Marie, Prévost Etienne, Phillips K (2023). Salmo salar (Allier subpopulation). The IUCN Red List of Threatened Species 2023, 2023, ⟨10.2305/iucn.uk.2023-1.rlts.t229537556a229549238.en⟩
Nevoux Marie, Buoro Mathieu, Lasne Emilien, Prévost Etienne, Rivot Etienne (2023). The role of freshwater and marine productivity in defining the overall outcome for an Atlantic salmon population. CNL(23)52, North Atlantic Salmon Conservation Organization. 2023
Josset Quentin, Beaulaton Laurent, Romakkaniemi Atso, Nevoux Marie (2023). Code for "Changes in length-at-first return of a sea trout (Salmo trutta) population in northern France". 2023, ⟨swh:1:dir:c0f592bb7fa089e1d1b6ba0af8e5e33fdcd7651a;origin=https://hal.archives-ouvertes.fr/hal-04301497;visit=swh:1:snp:bb18877e95020a09cd03d4f486b55bb3ae96b986;anchor=swh:1:rel:0409c5bbb96d4fa803bc0a8cf6afa3c4581850d0;path=/⟩