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As a water manager or manager of natural habitats, whether local or regional authorities, state services, economic or agricultural stakeholders or maritime professionals, you are most probably concerned about the quality of the environment and status of coastal ecosystems (notably in terms of algal resource).

Indeed, water quality (seawater or fresh water) is a main issue when reporting to the European Commission on the quality status of water bodies, evaluating the quality of bathing or recreation areas, measuring the quality of effluents from your operating sites or again the impact of pollution on your aquaculture resources.

Increased exploitation and use of the marine environment in response to economic, societal (tourism) and environmental (marine renewable energies) issues, lead to usage conflicts. Such evolving situations require a more balanced and sound management as well as more appropriate consultation processes than experienced previously.

With a better knowledge and understanding of species, interactions between each other and with their surrounding environment, the CEVA offers a sustainable development and management of the “algae” resource. This offer is in line with its ambitions and vision, whether applied in a natural environment context or in a cultivation perspective based on selected strains from culture collections (see Aquaculture / Sourcing Business Area).

The CEVA, mainly through its research and development activities, contributes in monitoring and improving the quality of water, aquatic environments and associated biodiversity and hence to take action on pollution control efforts (seaweed as a solution in complex phyto-purification systems).

Return to Services and Innovations

Our achievements in this field

Classified by services and innovations, find all the achievements of CEVA

  • Monitoring of seaweed tidal blooms on the Breton, Normand and South Loire coastlines
  • Technical support to Breton local authorities (understanding and fighting against proliferation)
  • Development of opportunistic seaweed as biological indicators (WFD)
  • Ecophysiological studies of different seaweed involved in tidal blooms
  • Ecological modelling of tidal blooms in sandy bays and estuarine areas
  • Study of the implication of the sedimentary flows on the "Green tides in mudflats"
Learn more
  • Seaweed farming using effluents from fish aquaculture
  • Microalgae cultivation on agri-food and industrial effluents
Learn more
  • Monitoring the evolution of the fucal cover (IFREMER, Rebent)
  • Mapping and evolution of salt marshes
  • Hyperspectral mapping of the Normandy coast
  • Gridding of Seaweed harvesting areas on the West coastline
  • Identification of suitable areas for the establishment of offshore seaweed farming in France and abroad
Learn more
  • Inventory of local species able to be exploited in France and abroad
  • Establishment of microalgae and macroalgae culture collections
Learn more

Water quality and eutrophication

  • Monitoring of seaweed tidal blooms on the Breton, Normand and South Loire coastlines
  • Technical support to Breton local authorities (understanding and fighting against proliferation)
  • Development of opportunistic seaweed as biological indicators (WFD)
  • Ecophysiological studies of different seaweed involved in tidal blooms
  • Ecological modelling of tidal blooms in sandy bays and estuarine areas
  • Study of the implication of the sedimentary flows on the "Green tides in mudflats"
Learn more

Treat and give value to your effluents

  • Seaweed farming using effluents from fish aquaculture
  • Microalgae cultivation on agri-food and industrial effluents
Learn more

Sustainable management of the resource

  • Monitoring the evolution of the fucal cover (IFREMER, Rebent)
  • Mapping and evolution of salt marshes
  • Hyperspectral mapping of the Normandy coast
  • Gridding of Seaweed harvesting areas on the West coastline
  • Identification of suitable areas for the establishment of offshore seaweed farming in France and abroad
Learn more

Secure the sourcing

  • Inventory of local species able to be exploited in France and abroad
  • Establishment of microalgae and macroalgae culture collections
Learn more