PhD position in Marine Ecology (F/M/X)

Informations

Référence : FEM-SAS-2026-189

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Job description

Thesis topic: Characterisation of biocolonisation on artificial structures in the context of offshore wind development: methodological approaches and ecological engineering

The PhD project is part of the QUANTUM project (2026–2029), which addresses key issues related to the biofouling of artificial structures from both engineering and environmental perspectives.

The PhD is structured around three main research themes:

  • Use of underwater imaging: Develop and optimise image analysis methods for monitoring biocolonisation and apply them to existing datasets;
  • Monitoring methods: Compare different biocolonisation monitoring protocols (e.g. diver-based sampling and imaging, ROV-based imaging and sampling, underwater imaging, environmental DNA) in order to identify their performance, limitations, and complementarity;
  • Ecological engineering: Assess the ecological effectiveness of ecological engineering devices on biocolonisation.

Missions

The expected tasks include:

  • Gaining a thorough understanding of the current literature in underwater image analysis and proposing and testing optimised annotation protocols based on an existing database of underwater images provided by project partners;
  • Extracting biological data from these underwater image datasets to study and analyse biocolonisation patterns over large spatial and temporal scales (e.g. to identify specificities across different biogeographic provinces);
  • Organising, preparing, and participating in offshore field campaigns to deploy various biocolonisation monitoring methods at two study sites: the export cable protection structure of an offshore wind farm in the Atlantic, and the met mast of the Fécamp offshore wind farm in Normandy;
  • Processing samples collected during field campaigns (e.g. identification of benthic macrofauna, image analysis, preparation of samples for DNA sequencing);
  • Statistically analysing and comparing biodiversity data obtained using different monitoring methods;
  • Organising, preparing, and participating in biannual offshore field campaigns to study the biocolonisation of eco-engineered and non-eco- engineered artificial structures deployed in situ;
  • Measuring oxygen and carbon fluxes (CO₂ and organic carbon) to characterise the metabolism of communities associated with eco- engineered artificial structures;
  • Statistically analysing and interpreting ecological succession patterns of biocolonisation;
  • Presenting results at international conferences and disseminating them through peer-reviewed scientific publications.

The PhD project will be carried out in collaboration between France Energies Marines, IFREMER, and the University of Caen.

Required Skills

Master’s degree (MSc) in marine ecology/marine biology or equivalent engineering degree

  • Knowledge of marine ecosystems, particularly benthic ecosystems,
  • Skills in data processing and statistical analysing using R
  • Experience in database management and handling
  • Interest in environmental issues and marine renewable energy
  • Previous experience in image analysis is desirable
  • Strong interest in fieldwork
  • Initiative and proactivity
  • Teamwork skills
  • Scientific writing skills
  • Proficiency in written and spoken English
  • Interest in image processing tools
  • Ability to work at sea
  • Interest in applied science

Modalités de candidature

Starting date: 15 November 2026
Application deadline: 10 August 2026

In accordance with regulations, all other things being equal, priority will be given to people with disabilities.

  • Applications must include a CV and a cover letter.
  • If the candidate is being seconded by a member of France Energies Marines, the application must include confirmation of the current employer’s agreement.

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Informations

Reference : FEM-SAS-2026-189

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