Thesis: Contribution of long-term series in characterizing, quantifying and understanding biodiversity changes



IFREMER Brest, France

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Host organisation

Created on June 5, 1984, the French Research Institute for Exploitation of the Sea (IFREMER) is a public industrial and commercial institution under the supervision of the Ministry of Ecological Transition and the Ministry of Higher Education, Research and Innovation. Recognized worldwide as one of the leading institutes in marine science and technology, IFREMER is committed to sustainable development and open science. Its 1,500 employees conduct research, produce expertise and create innovations to protect and restore the ocean, exploit its resources responsibly, share marine data and offer new services to all stakeholders.

Inside of its department DYNECO (Dynamic of coastal ecosystems), the LEBCO (Coastal Benthic Ecology Laboratory) is interested in the diversity and functioning of coastal marine ecosystems, and more particularly in the responses of species and communities to natural and anthropogenic pressures. By coupling observation, experimentation and modelling, the team uses and develops complementary approaches to describe and understand biodiversity patterns and their functionalities and to observe and model the distribution of benthic habitats.

Position description

Within the framework of the “Impact des Grands Aménagements” (IGA) follow-up and based on the exploitation of historical data collected during 40 years on different CNPE (Nuclear power-plant of energy production) on 4 sites located in the Channel (Flamanville, Gravelines, Paluel, Penly), this project aims at characterizing, quantifying and identifying the factors involved in the variations of biodiversitý of the coastal ecosystems at different trophic levels. The work will focus on 4 objectives:

  • Construction of a standardized long-term database
  • Characterization and quantification of changes in populations and communities
  • Evaluation of the relative contribution of biotic and abiotic factors
  • Understanding the dynamics of ecosystem functioning

Contract type

Thesis, 36 months


IFREMER Brest, France

Applications can be submitted directly on the University of Brest’s doctoral school website:

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