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Postdoctoral Employee

Scripps Institution of Oceanography

Investigating the top-down effect of fish on zooplankton comunities, carbon, and oxygen tracer, using a coupled model of fish comunities with biogeochemistry

• FEISTY
• COBALT

PhD

Technical Universtiy of Danmark

Metabolism, pace of life, and the dynamics of size-structured populations and communities: The case of fast-living squid

• Metabolic theory of Ecology
• FEISTY
• Marine Theoretical Ecology

Master

Sorbonne Université (UPMC)

Theoretical Ecology and Mathematical Modeling

• Ecology
• evolution
• mathematical modeling
• classic and Bayesian statistics
• programming

Double Bachelor

Sorbonne Université (UPMC)

Biology and Mathematics

The role of squid for food web structure and community-level metabolism

Ecological Modelling 493, 110729

Squid have a high growth rate, short life span, and distinctive feeding behavior, leading to a rapid transfer of energy to upper trophic levels and significant predation pressure. This study shows that squid grow five times faster than fish and are constrained to regions with high pelagic secondary production, causing a reduction in total consumer biomass due to increased community-level respiration losses. The findings suggest that the recent increase in squid populations could have significant ecological and socio-economic impacts on marine ecosystems.

Deriving population scaling rules from individual-level metabolism and life history traits

The American Naturalist 199 (4), 564-575

Individual metabolism generally scales with body mass with an exponent around 3/4, leading to the assumption that maximum population growth rate (rmax) scales with a −1/4 exponent. This study calculates rmax while explicitly considering offspring size and identifies four general patterns of how rmax scales with adult mass based on life history traits. The findings suggest that while some species groups like elasmobranchs, copepods, and mammals follow the classic −1/4 scaling, others like teleost fish and bivalves do not, indicating deviations from the expected metabolic scaling pattern.

The within-population variability of leaf spring and autumn phenology is influenced by temperature in temperate deciduous trees

International journal of biometeorology 65 (3), 369-379

This study monitored leaf phenology in 14 tree populations across six European forests from 2011 to 2018, finding that variability in leaf senescence dates was twice as large as in budburst dates. Warmer temperatures and later budburst dates were linked to reduced variability in budburst, while later senescence and warm temperatures increased variability in senescence, although other factors also play a role.

Bénévole

Les Restos du Coeur

Weekly meal service and socialisation with people in need, and homelesses.