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Entanglement

Topdown view of a whale
Marine organisms becoming entangled by mooring lines, anchors, or cables.

Arrays of floating offshore wind and marine renewable energy devices may create a web of mooring lines, anchors, and export cables that may lead to entanglement of animals such as marine mammals and fish. Entanglement may lead to injury or death; however, typical mooring systems do not have any loose ends, so entanglement is not possible unless derelict fishing gear were to wrap around mooring lines or cables and entangle marine animals (secondary entanglement).

For more information relevant to marine energy, view the Entanglement Risk Short Science Summary produced by OES-Environmental.

For more information relevant to marine energy, view the Risk to Marine Life from Marine Debris & Floating Cable Systems research brief produced by SEER.

Marine and Wind Energy Environmental Documents

Tethys is a knowledge hub that contains documents on the environmental effects of wind and marine energy. The table below contains all of the documents in the Tethys Knowledge Base associated with Entanglement.

Total: 112

Title Author Date Content Type Technology Stressor Receptor
Short Science Summary 2024: Entanglement OES-Environmental Summary Marine Energy Entanglement
OES-Environmental 2024 State of the Science Report: Environmental Effects of Marine Renewable Energy Development Around the World OES-Environmental Report Marine Energy, OTEC, Tidal, Wave Attraction, Avoidance, Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Reptiles, Sea Turtles, Terrestrial Mammals, Human Dimensions, Legal & Policy, Recreation & Tourism, Stakeholder Engagement
Evaluating the Impacts of Offshore Wind‬ Development on Marine Ecosystems‬ ‭ King, C. Thesis Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Collision, Displacement, Entanglement, Noise, Vessel Strike Bats, Birds, Ecosystem Processes, Fish, Marine Mammals, Cetaceans, Pinnipeds, Reptiles, Sea Turtles
Spatial planning offshore wind energy farms in California for mediating fisheries and wildlife conservation impacts White, C., Wang, Y-H., Walter, R. Journal Article Wind Energy, Floating Offshore Wind Collision, Displacement, Entanglement Birds, Seabirds, Fish, Marine Mammals, Cetaceans, Human Dimensions, Fisheries, Marine Spatial Planning
Commercial Wind Lease Issuance and Site Assessment Activities on the Atlantic Outer Continental Shelf Offshore Maine Bureau of Ocean Energy Management (BOEM), US Department of the Interior (DOI) Report Wind Energy, Fixed Offshore Wind Attraction, Avoidance, Changes in Flow, Chemicals, Collision, Displacement, Entanglement, Habitat Change, Lighting, Noise Bats, Birds, Ecosystem Processes, Fish, Demersal Fish, Pelagic Fish, Invertebrates, Marine Mammals, Cetaceans, Pinnipeds, Physical Environment, Water Quality, Human Dimensions, Environmental Impact Assessment, Fisheries, Legal & Policy, Marine Spatial Planning, Navigation, Recreation & Tourism, Stakeholder Engagement
Commercial Wind Lease Issuance on the Pacific Outer Continental Shelf, Offshore Oregon Final Environmental Assessment Bureau of Ocean Energy Management (BOEM), US Fish and Wildlife Service (USFWS), US Army Corps of Engineers Report Wind Energy, Fixed Offshore Wind Collision, Entanglement, Habitat Change, Noise Bats, Birds, Fish, Invertebrates, Marine Mammals, Reptiles, Sea Turtles, Human Dimensions, Environmental Impact Assessment
Challenges and Opportunities for Floating Offshore Wind Energy in Ultradeep Waters of the Central Atlantic Musial, W., McCoy, A., Hernando, D. Report Wind Energy, Floating Offshore Wind Entanglement, Habitat Change, Lighting, Noise Human Dimensions, Social & Economic Data
Building Sustainable Offshore Wind Futures Through Collaborative Research Programs Savitsky, I., Shumchenia, E., Bland, K. Presentation Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Collision, Entanglement Birds, Marine Mammals, Cetaceans, Human Dimensions, Stakeholder Engagement
AB 525 Offshore Wind Strategic Plan Jones, M., Bartridge, J., Walker, L. Report Wind Energy Attraction, Avoidance, Changes in Flow, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change, Lighting, Noise, Vessel Strike Bats, Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Reptiles, Sea Turtles, Human Dimensions, Environmental Impact Assessment, Fisheries, Legal & Policy, Marine Spatial Planning, Navigation, Recreation & Tourism, Social & Economic Data, Visual Impacts
Impacts to Whales and Other Marine Mammals California Ocean Science Trust Summary Wind Energy, Floating Offshore Wind Displacement, Entanglement, Vessel Strike Marine Mammals, Cetaceans, Pinnipeds
Offshore Wind Facts: Marine Mammals and Sea Turtles Special Initiative on Offshore Wind Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Displacement, EMF, Entanglement, Habitat Change, Noise, Vessel Strike Marine Mammals, Reptiles, Sea Turtles
Sea turtle density surface models along the United States Atlantic coast DiMatteo, A., Roberts, J., Jones, D. Journal Article Marine Energy, Wind Energy Entanglement Reptiles, Sea Turtles, Human Dimensions, Fisheries
Feasibility of Ocean Thermal Energy Conversion (OTEC) Development for U.S. Islands Copping, A., Farr, H. Conference Paper Marine Energy, OTEC Chemicals, Displacement, Entanglement, Habitat Change Fish, Marine Mammals, Human Dimensions
From Science to Consenting: Applying Environmental Effects Information to Support Regulatory Decision-Making Freeman, M., Copping, A., Rose, D. Presentation Marine Energy Collision, EMF, Entanglement, Habitat Change, Noise Human Dimensions, Legal & Policy
Improving Understanding of Environmental Effects from Single MRE Devices to Arrays Hasselman, D., Hemery, L., Copping, A. Conference Paper Marine Energy, Tidal, Wave Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise
Integrated Science Plan for Offshore Wind, Wildlife, and Habitat in U.S. Atlantic Waters Regional Wildlife Science Collaborative for Offshore Wind (RWSC) Webpage Wind Energy Attraction, Avoidance, Collision, Entanglement, Noise, Vessel Strike Bats, Birds, Ecosystem Processes, Fish, Marine Mammals, Physical Environment, Reptiles, Sea Turtles
Can floating offshore wind farms pose a risk of entanglement and injury to marine megafauna? Henry, S., Heerah, K., Jung, J-L. Report Wind Energy, Floating Offshore Wind Entanglement
Environmental Effects Monitoring Program Annual Report 2023 Fundy Ocean Research Center for Energy (FORCE) Marine Energy, Tidal Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Invertebrates, Marine Mammals
‘Scaling up’ our understanding of environmental effects of marine renewable energy development from single devices to large-scale commercial arrays Hasselman, D., Hemery, L., Copping, A. Journal Article Marine Energy Collision, Displacement, EMF, Entanglement, Habitat Change, Noise
A management-focused population viability analysis for North Atlantic right whales Runge, M., Linden, D., Hostetler, J. Report Wind Energy, Fixed Offshore Wind Entanglement, Noise, Vessel Strike Marine Mammals, Cetaceans
Integrating Bird and Marine Mammal Monitoring into Offshore Wind Energy Development Infrastructure and Operations Courbis, S., Etter, H., Pacini, A. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Collision, Entanglement Birds, Marine Mammals
Maritime Spatial Planning in Europe: Discussion Paper on the Challenges and Potential Opportunities Around the Colocation of Offshore Wind Energy with Marine Protected Areas Stephenson, P. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Noise Bats, Birds, Fish, Invertebrates, Marine Mammals, Human Dimensions, Fisheries, Marine Spatial Planning
Environmental Effects Monitoring Program Annual Report 2022 Fundy Ocean Research Center for Energy (FORCE) Report Marine Energy, Tidal Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Fish, Invertebrates, Marine Mammals
Literature Review on Barrier Effects, Ghost Fishing, and Electromagnetic Fields for Floating Windfarms Williamson, L. Report Wind Energy, Floating Offshore Wind Displacement, EMF, Entanglement Birds, Fish, Invertebrates, Marine Mammals, Reptiles, Sea Turtles
A comprehensive overview of environmental footprints of water desalination and alleviation strategies Shokri, A., Fard, M. Journal Article Marine Energy Chemicals, Entanglement Fish, Invertebrates, Human Dimensions
Clean Energy from the Ocean: Measuring the Environmental Footprint of Devices Rose, D., Gunn, C., Hemery, L. Magazine Article Marine Energy Changes in Flow, Collision, EMF, Entanglement, Habitat Change, Noise Birds, Fish, Invertebrates, Marine Mammals, Physical Environment, Human Dimensions
Environmental Effects of U.S. Offshore Wind Energy Development: Compilation of Educational Research Briefs Green, R., Hein, C., Oteri, F. Summary Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise, Vessel Strike Bats, Birds, Fish, Invertebrates, Marine Mammals, Physical Environment, Reptiles
Offshore Wind Lease Issuance, Site Characterization, and Site Assessment: Central and Northern California Reeb, D., Schroeder, D. Report Wind Energy, Fixed Offshore Wind Entanglement, Habitat Change, Noise, Vessel Strike Fish, Marine Mammals, Cetaceans, Pinnipeds, Reptiles, Sea Turtles
Marine Renewable Energy (MRE) in the Tropics: An Overview of MRE Potential in Oaxaca, Mexico Oman, J. Report Marine Energy, Ocean Current, OTEC, Wave Changes in Flow, Collision, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Pelagic Fish, Marine Mammals, Cetaceans, Human Dimensions, Environmental Impact Assessment, Legal & Policy, Recreation & Tourism, Social & Economic Data
Potential impacts of floating wind turbine technology for marine species and habitats Maxwell, S., Kershaw, F., Locke, C. Journal Article Wind Energy, Floating Offshore Wind Attraction, Displacement, Entanglement, Habitat Change Birds, Seabirds, Fish, Marine Mammals, Human Dimensions, Navigation
ORJIP Ocean Energy Information Note: Encounters of Marine Animals with Mooring Systems and Subsea Cables Offshore Renewables Joint Industry Programme (ORJIP) Report Marine Energy Entanglement Fish, Marine Mammals
How can the impacts of an operating wind farm on marine mammals be assessed? Couturier, L., Curé, C., Labach, H. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Collision, EMF, Entanglement, Habitat Change, Noise Marine Mammals
Passive acoustic tracking of the three-dimensional movements and acoustic behaviour of toothed whales in close proximity to static nets Macaulay, G., Kingston, A., Coram, A. Journal Article Entanglement Marine Mammals, Cetaceans
Wave-Energy Devices Might Affect the Natural Environment: Scientists plan research to better understand effects Oregon State University, Pacific Marine Energy Center (PMEC), Northwest National Marine Renewable Energy Center (NNMREC) Magazine Article Marine Energy, Wave EMF, Entanglement, Noise Birds, Seabirds, Fish, Marine Mammals
Risk to Marine Life from Marine Debris & Floating Offshore Wind Cable Systems Mahon, A., Green, R., Farr, H. Summary Wind Energy, Floating Offshore Wind Entanglement Fish, Marine Mammals, Reptiles, Sea Turtles
Biological Consequences of Marine Energy Development on Marine Animals Hemery, L., Copping, A., Overhus, D. Journal Article Marine Energy, Tidal Changes in Flow, Collision, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Pelagic Fish, Invertebrates, Marine Mammals
Environmental Information for Siting and Operation of Floating Tidal Turbines in U.S. Waters Copping, A., Garavelli, L., Overhus, D. Report Marine Energy, Tidal Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Marine Mammals
A Review of Biodiversity Data Needs and Monitoring Protocols for the Offshore Wind Energy Sector in the Baltic Sea and North Sea Stephenson, P. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Bats, Birds, Fish, Invertebrates, Marine Mammals, Physical Environment, Sediment Transport, Water Quality
Are fish in danger? A review of environmental effects of marine renewable energy on fishes Copping, A., Hemery, L., Viehman, H. Journal Article Marine Energy, Riverine, Tidal, Wave Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Fish
Large whale entanglements off the U.S. West Coast, from 1982-2017 Saez, L., Lawson, D., DeAngelis, M. Report Entanglement Marine Mammals, Cetaceans

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