Marion Lefebvre du Prey

Profile summary

Enthusiastic Fish Ecologist from France.

I am currently a Postgraduate Researcher in the Fish Habitat Research unit, supervised by Dr. Ben Ciotti.

My Research focuses on Marine Juvenile Fish Habitats. I use several functional indices (fish's growth, nutrition, connectivity) to improve our measurement of critical juvenile fish habitats and ultimately help setting conservation priorities.

One important focus of my research is the calibration of a RNA-based index of growth for juvenile fish. I use a combination of field data and data obtained under controlled conditions in the lab to make this index robust and more applicable.

I also use fish's otoliths and eye lenses as archival tissues to study ontogenetic connectivity, looking at geochemistry and isotopes.

My case study is the wild population of juvenile common sole (Solea solea) in the Severn Estuary.

I am also involved in the ICES Working Group on the Value of Coastal areas for Exploited Species. https://www.ices.dk/community/groups/Pages/WGVHES.aspx

Flatfish
Field work
Biogeochemistry
Fisheries sustainability
Bioenergetic Modeling
Marine Conservation
Animal husbandry and minor procedures (Marine fish)

Additional information

Last scientific communications:

International Flatfish Symposium, Netherlands, 2024
7th International Conference on Marine Connectivity, France, 2024
Estuarine and Coastal Science Association Conference, Spain, 2022

Last publications:

Lefebvre du Prey et al., 2023. Assessing food limitation for marine juvenile fishes in coastal nurseries using a Bioenergetic approach. https://doi.org/10.1016/j.ecolmodel.2023.110419

Grants obtained:

FSBI Research Grant. 2024

Fundings:

My research is fully funded by UKRI NERC ARIES Doctoral Training Partnership.

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

Academic qualifications

09 Mathematical sciences, Other higher degree (e.g. Masters degree), Use of Bioenergetic Modeling to investigate food limitation in coastal fish nurseries, Université de Rennes

Award Date: 30 Jun 2022

03 Biological and sport sciences, Other higher degree (e.g. Masters degree), Marine Ecosystems Functioning, Université de La Rochelle

Award Date: 30 Aug 2020

External positions

Marine Ecologist, INRAE

2022 → 2023

Research Interests

Marine ecology
Fish physiology
Biochemistry
Modeling
Animal husbandry