Phd Student 

Floor 1 - Wing C - Office 114

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Thesis supervisor : Stéphanie MANEL (CEFE, EPHE - PSL)
Thesis supervisor : Pierre-Alexandre GAGNAIRE (ISEM, CNRS)

ANR DemoMar

-- THESIS PROJECT -- 

Conserving marine biodiversity requires a better understanding of population dynamics and population connectivity. Recent genetic approaches based on identical-by-descent segments (IBD) make it possible to reconstruct demographics and migratory flows on time scales relevant to conservation. However, their application to marine fish must take into account their complex life cycles (high fecundity, overlapping generations, sequential hermaphroditism, etc.).

-- GOALS -- 

My thesis project focuses on three complementary axes:

(1) Evaluating the robustness of spatial demographic inference methods based on IBD segments, incorporating the biological characteristics of marine species.

(2) Characterizing the dispersion and connectivity of the white seabream (Diplodus sargus) in order to understand how exchanges between populations and Marine Protected Areas (MPAs) contribute to maintaining genetic diversity and local recruitment.

(3) Studying the dynamics of brown grouper (Epinephelus marginatus) population recovery following protective measures, identifying the role of self-recruitment, immigration, and “super-reproducers.”

-- MOTS CLÉS --

 Conservation - Connectivity - Population Dynamics - IBD Segments - Marine Fish