In response to the issues identified by the sector and the questions raised by citizens concerning the environmental integration of marine renewable energies in France, the COME3T approach aims to provide elements of expertise, synthesis and recommendations based on a national network of experts. In this bulletin, 3 experts have worked together to define the reef effect and its consequences on fish populations and all mobile species.

In response to the issues identified by the sector and the questions raised by citizens concerning the environmental integration of marine renewable energies in France, the COME3T approach aims to provide elements of expertise, synthesis and recommendations based on a national network of experts. In this bulletin, 6 experts contributed to defining the different phenomena that could facilitate the spread of non-indigenous species following the development of offshore wind farms. Several recommendations have been issued to limit the impact on marine ecosystems of the relay effect, ballast water release and the storage of offshore infrastructure in ports.