
CHARLOTTE ROEMER
Behavioural ecology of bats
work experience


Post-doc
April 2021 - now
Muséum National d'Histoire Naturelle de Paris
Supervisor: Dr. Christian Kerbiriou
Coordination of the project Bat migration routes in Europe. Development of a collaborative network of bat workers and researchers at the European scale to study the migration routes of three bat species using acoustic recordings. Development of a method to build maps for Systematic Conservation Planning for bats thanks to species distribution maps, connectivity and roost data.
March 2020 - March 2021
Muséum National d'Histoire Naturelle de Paris
Supervisor: Dr. Yves Bas
Development of an automatic classifier for bat sonotypes around the world. Co-facilitation of the citizen science program Vigie-Chiro.
PhD student
December 2015 - December 2018
Muséum National d'Histoire Naturelle de Paris & Biotope (Mèze, France)
PhD head supervisors : Prof. Romain Julliard (Muséum National d'Histoire Naturelle de Paris) and Dr. Aurélie Coulon (MNHN); Co-supervisors : Dr. Yves Bas (MNHN) & Thierry Disca (Biotope, Mèze, France).
"Movement ecology at the local scale and anthropogenic collision risks." Building of a collision risk prediction model for roads and wind farms in function of local landscape features.
Bat expertise
November 2013-March 2020
Biotope, Mèze (France).
Bat expertise in impact assessment studies (passive and active recordings, searches for roosts). Analysis of bat flight heights recorded on wind masts and wind turbines in France and Belgium using acoustic flight path tracking. Research & Development in acoustic flight path tracking. Technical support for softwares and acoustic material.
internships
Bats June & July 2013
Biotope, Mèze, France
Supervisor : Dr. Yves Bas.
Field surveys, bat expertise, research & development for acoustic flight path tracking.
Birds and Insect surveys February & August 2013
Mercantour National Park (France)
Supervisor : Thomas Lebard.
Mountain owls surveys.
Surveys of Hoverflies, Butterflies, Dragonflies & Orthoptera.
Behavioural ecology April - September 2011
ECOMERS team, University of Nice
Supervisor : Prof. Patrice Francour.
Comparative behavioural study between two fish in function of temperature : effects of climate change on the vertical distribution of Gobius vittatus and Parablennius rouxi. Tests in captivity.
Biological control June - July 2009
Biotop, Valbonne, France
Supervisor : Julien Séguret.
Assistance in research & development projects : use of Trichogramma for the biological control of the rice borer. Tests on rice fields in the Camargue.
study trips abroad
International course on tropical bats 2011
La Selva biological station, Costa Rica.
Teachers: Dr. Marc Holderied, Dr. Christian Voigt & Prof. Constance Scharff.
Study of the acoustics features of bat distress calls in 15 species.
International course on desert-dwelling bats 2010
Jacob Blaustein Institutes for Desert Research, Israel.
Teachers: Dr. Marc Holderied, Dr. Christian Voigt, Dr. Carmi Korine & Prof. Berry Pinshow.
Study of the attractive effect of distress calls in Pipistrellus kuhlii.
Tutorship of stUdents
Karie Trieu (6 months - master student, shared tutorship) - 2024 - National mapping of the priority areas for bat conservation and their sensitivity to major pressures.
Thomas Sévère (6 months - master student, shared tutorship) - 2024 - Spatio-temporal modelling of the barbastelle bat.
Alexandre Grave (2 months - master student) - 2024 - Analysis and modelling of the effects of the settings of ultrasonic recorders on the detection of bat calls.
Lucas Dubus (6 months - master student, shared tutorship) - 2023 - Development of a method for the mapping of priority areas for bat conservation at the national scale.
Vincent Robert (6 months - master student, shared tutorship) - 2022 - Anual phenology of the European free-tailed bat according to the altidunal gradient: a possible altitudinal migration?
Sarah Chayrrigues (6 months - master student, shared tutorship) - 2021 - Acoustic proxies for the study bat foraging activity.
Eva Saison (2 months - bachelor student) - 2021 - Assistance in the coordination of the project Bat migration routes in Europe.
Fagniné Coulibaly (5 months - master student, shared tutorship) - 2019 - Modelling of bat activity at wind masts in function of meteorological variable to enhance the efficiency of wind turbine operational mitigation algorithms.
Tiphaine Devaux (5 months - master student, shared tutorship) - 2018 - Modelling of bat activity at wind masts in function of meteorological variable to enhance the efficiency of wind turbine operational mitigation algorithms.
Bruno Sanchez (2 months - bachelor student) - 2017 - Assistance for field work to study bat collision risks at roads.