"Les marees vertes" : Premier bilan concernant les essais de valorisation

Seasonal green algal blooms (Ulva lactuca ) are observed along Brittany coasts and estuaries. The example of Lannion Bay during 1982 is exposed, with the causes and the consequences. After treatment, these seaweeds can be used for energy production (methanization and composting) and animal feeding (laying hens).