Potential Environmental Effects on Habitats from Marine Renewable Energy: Changes in Benthic and Pelagic Habitats
Most marine renewable energy (MRE) devices must be attached to the seafloor in some way, either by gravity foundations, pilings, or anchors, and many will also have transmission cables on the seabed, and mooring lines, as well as the devices themselves in the water column. Physical changes in benthic and pelagic habitats have the potential to alter where species live and how common they are at a site, and they may lead to habitat loss, provide opportunities for non-native species to become established, alter ecological patterns, modify ecosystem functions and the services the ecosystem provides, and affect the behavior of many marine organisms.
This Short Science Summary was developed based on the OES-Environmental 2020 State of the Science Report: Environmental Effects of Marine Renewable Energy Development Around the World, specifically Chapter 6: Changes in Benthic and Pelagic Habitats Caused by Marine Renewable Energy Devices.