Short Science Summary: Entanglement with Marine Renewable Energy Mooring Lines

 

Large marine animals, especially great whales such as grays or humpbacks, may potentially become entangled in mooring lines and power cables, resulting in drowning, or the lines may abrade the whale’s skin, allowing debilitating infections to result in injury or death. Many wave devices and floating tidal turbines are attached to the seabed with mooring lines. In addition, marine renewable energy (MRE) devices must send energy to shore through large export cables, usually placed on the seabed; cables that collect power from individual devices may be strung in the water column before joining a single cable heading to the sea floor. This summary represents a general overview of the research, produced by Annex IV under Ocean Energy Systems. The table below contains the literature relevant to entanglement and the marine renewable energy industry and will continue to be updated as new literature is added to Tethys.

 

Download the Entanglement Short Science Summary

 

Sources of Information on Entanglement:

Title Author Date Type of Content Technology Type Stressor Receptor
Predicting lethal entanglements as a consequence of drag from fishing gear van der Hoop, J., et al. February 2017 Journal Article     Marine Mammals, Fishing
Entanglement is a costly life-history stage in large whales van der Hoop, J., Corkerton, P., Moore, M. January 2017 Journal Article     Marine Mammals, Fishing
Swimming kinematics and efficiency of entangled North Atlantic right whales van der Hoop, J., et al. January 2017 Journal Article     Marine Mammals, Fishing
Annex IV 2016 State of the Science Report: Environmental Effects of Marine Renewable Energy Development Around the World Copping, A., et al. April 2016 Report Marine Energy general Dynamic Device, EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Ecosystem, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Sea Turtles, Socio-economics
Drivers and Annual Estimates of Marine Wildlife Entanglement Rates: A Long-Term Case Study with Australian Fur Seals McIntosh, R., et al. December 2015 Journal Article     Marine Mammals
Assessment of Entanglement Risk to Marine Megafauna due to Offshore Renewable Energy Mooring Systems Harnois, V., et al. September 2015 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Static Device Marine Mammals
Understanding the Potential for Marine Megafauna Entanglement Risk from Marine Renewable Energy Developments [Presentation] Benjamins, S., et al. May 2014 Presentation Marine Energy general   Marine Mammals
Understanding the Potential for Marine Megafauna Entanglement Risk from Marine Renewable Energy Developments Benjamins, S., et al. January 2014 Report Marine Energy general, Wind Energy general, Offshore Wind Static Device Marine Mammals
Biological and Existing Data Analysis to Inform Risk of Collision and Entanglement Hypotheses Kropp, R. December 2013 Report Marine Energy general, Wave Static Device Marine Mammals
Ocean Thermal Energy Conversion (OTEC) Environmental Impacts NOAA Office of Ocean & Coastal Resource Management January 2010 Report Marine Energy general, OTEC Chemicals, EMF Ecosystem, Nearfield Habitat
Experimental Modeling of Large Whale Entanglement Injuries N/A April 2006 Journal Article   Dynamic Device Marine Mammals
Mortality and Serious Injury of Northern Right Whales (Eubalaena glacialis) in the Western North Atlantic Ocean Knowlton, A., Kraus, S. January 2001 Journal Article   Dynamic Device Marine Mammals
A Comparative Review of Entrainment Survival Studies at Power Plants in Estuarine Environments Mayhew, D., et al. September 2000 Journal Article Marine Energy general    
Diving behaviour of harbour porpoises, Phocoena phocoena Westgate, A., et al. May 1995 Journal Article     Marine Mammals
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