One internship position focusing on the ecological consequences of climate change on freshwater phytoplankton is available at the RECOVER laboratory and the IMBE laboratory in Aix-En-Provence (France). The student will work under the supervision of Simon BAZIN, Arnaud SENTIS, and Stéphanie FAYOLLE.
Global warming leads to the body size reduction of many animal species from bacteria to fishes. However, little is known about the consequences of fish body size reduction and warming for the diversity and dynamics of freshwater phytoplankton. The successful candidate will analyze phytoplankton samples from a mesocosm experiment that was conducted in 2021 during which fish body size and temperature were manipulated. The internship consist in analysing the collected samples to determine the taxonomic diversity, abundance and cell size of phytoplankton taxa. This includes laboratory analyses under the microscope, computing statistical analyses and writing a report.
Key-words: climate change, food webs, zooplankton, fish, mesocosm, ecosystem functions.

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Candidate competences:
We are seeking highly motivated students with good organizational skills and strong interests in phytoplankton, experimental quantitative ecology and global change ecology. Master students in biology, ecology or a related field are welcomed. Previous experience with freshwater phytoplancton, laboratory/mesocosm experiments, use of spreadsheets (e.g. Excel) and statistical analyses (R software) will be appreciated. A car driving license is needed to drive between RECOVER and IMBE laboratories.
To apply (before the 25th of November), please send your CV and motivation letter (1 page maximum) to Simon Bazin (, Arnaud Sentis ( and Stephanie Fayolle ( Informal enquiries are welcome – please contact us by email in french or english.

Practical information:
Starting date (flexible): January or February 2022 Duration: 6 months
Advisors: Simon Bazin, Arnaud Sentis, and Stéphanie Fayolle
Location: 2 days per week at INRAE, 3275 route Cézanne, 13182 Aix-en-Provence, France and 3 days per week at IMBE, Campus Etoile, Faculté des Sciences de Saint-Jérôme – avenue Escadrille Normandie-Niemen. 13397 Marseille cedex 20.

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