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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: 111

Title Author Date Content Type Technology Stressor Receptor
Progressing Tidal Energy Through Organized Data Approaches Copping, A., Hemery, L., Garavelli, L. Journal Article Marine Energy, Tidal Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Fish, Marine Mammals, Physical Environment, Reptiles, Sea Turtles
Entanglement: A Low Risk for Marine Animals Around Marine Energy Devices Hemery, L., Copping, A., Jones, K. Summary Marine Energy Entanglement
Balancing wind energy expansion and fisheries in the Mediterranean Sea: A trait-based assessment of vulnerability to floating offshore wind farms for commercially important species Wawrzynkowski, P., Sabatés, A., Lloret, J. Journal Article Wind Energy, Floating Offshore Wind Changes in Flow, Chemicals, EMF, Entanglement, Lighting, Noise Fish, Invertebrates, Physical Environment, Human Dimensions, Fisheries, Legal & Policy, Marine Spatial Planning
Overview of the potential ecological impacts of three offshore locations for wind farms in Aotearoa New Zealand McKinlay, B., van Helden, A., Taylor, G. Report Wind Energy, Fixed Offshore Wind Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Noise, Vessel Strike Birds, Fish, Marine Mammals, Reptiles, Sea Turtles
Quantification of the Risk of Secondary Entanglement due to Derelict Fishing Gear for Floating Offshore Wind Turbines Hallowell, S., Brady, D., Rzeszowski, E. Presentation Wind Energy, Floating Offshore Wind Entanglement Marine Mammals, Human Dimensions, Fisheries, Stakeholder Engagement
Minimizing environmental risks to progress the marine renewable energy industry Garavelli, L., Rose, D., Freeman, M. Conference Paper Marine Energy Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise
CWW 2025 Book of Abstract Conference on Wind Energy and Wildlife Impact Conference Paper Wind Energy Attraction, Avoidance, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise, Vessel Strike Bats, Birds, Fish, Invertebrates, Marine Mammals, Cetaceans, Physical Environment, Water Quality, Sea Turtles, Human Dimensions, Fisheries, Legal & Policy, Life Cycle Assessment, Marine Spatial Planning, Recreation & Tourism, Stakeholder Engagement
Environmental effects of marine renewable energy off-grid and micro-grid applications: a use case approach to assess existing knowledge and remaining uncertainties Hemery, L., Weicht, L., Copping, A. Conference Paper Marine Energy, Tidal, Wave Attraction, Avoidance, Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Fish, Invertebrates, Marine Mammals, Reptiles, Sea Turtles, Human Dimensions, Fisheries, Legal & Policy, Marine Spatial Planning, Navigation, Recreation & Tourism, Social & Economic Data, Visual Impacts
Environmental Risks and Impacts of Offshore Energy: A Literature Review Pontinha, D., Bispo, L., Gervásio, H. Conference Paper Marine Energy, OTEC, Tidal, Wave, Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Avoidance, Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Sediment Transport, Human Dimensions, Marine Spatial Planning
Untangling the way forward for responsible offshore wind energy: Recommendations to reduce marine life entanglement risks Gutierrez, I, Kershaw, F, Loomis, B Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Entanglement Marine Mammals, Cetaceans, Reptiles, Sea Turtles
Ecological impacts of floating offshore wind on marine mammals and associated trophic interactions: current evidence and knowledge gaps Harris, C., Benjamins, S., Scott, B. Journal Article Wind Energy, Floating Offshore Wind Attraction, Displacement, EMF, Entanglement, Noise, Vessel Strike Ecosystem Processes, Fish, Marine Mammals
An ecological risk assessment for the impacts of offshore wind farms on sharks and rays in Australia Werry, J., Meager, J. Journal Article Wind Energy, Fixed Offshore Wind Attraction, Avoidance, Changes in Flow, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change, Lighting, Noise Ecosystem Processes, Fish, Physical Environment, Water Quality, Human Dimensions, Fisheries
Assessing, monitoring and mitigating the effects of offshore wind farms on biodiversity Watson, S., Szostek, C., Edwards-Jones, A. Journal Article Wind Energy, Fixed Offshore Wind Attraction, Displacement, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Invertebrates, Marine Mammals
Addressing Place-Based Environmental Questions to Enable Marine Energy Deployments Hemery, L., Copping, A., Jones, K. Presentation Marine Energy, Tidal, Wave Entanglement, Habitat Change Marine Mammals, Reptiles, Sea Turtles, Human Dimensions, Social & Economic Data, Stakeholder Engagement
Sea Space Analysis for Wave and Tidal Energy Lee, S., Strong, V., Anning, D. Report Marine Energy, Tidal, Wave Avoidance, Changes in Flow, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Invertebrates, Marine Mammals, Physical Environment, Water Quality, Human Dimensions, Fisheries, Legal & Policy, Marine Spatial Planning, Navigation, Recreation & Tourism, Social & Economic Data, Stakeholder Engagement, Visual Impacts
Marine Mammal Monitoring: Methods, Technologies, and Opportunities for Innovation Dorrian, N., Ferguson, E., Scala, L. Report Wind Energy Avoidance, Entanglement, Habitat Change, Noise, Vessel Strike Marine Mammals
Towards Nature Positive for the Ocean: Pathways for Corporate Contributions Carrow, A., Lynch, L., Kroner, R. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Chemicals, Collision, Displacement, Entanglement, Habitat Change, Lighting, Noise Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Sediment Transport, Water Quality, Human Dimensions, Legal & Policy, Marine Spatial Planning
Offshore Wind Energy and Whales: TBC Industry Briefing Note The Biodiversity Consultancy Guidance Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Entanglement, Noise, Vessel Strike Marine Mammals, Cetaceans
Effects and management implications of emerging marine renewable energy technologies Copping, A., Wood, D., Rumes, B. Journal Article Marine Energy, OTEC, Salinity Gradient Chemicals, EMF, Entanglement, Habitat Change, Noise Bats, Birds, Fish, Marine Mammals
Frequently Asked Questions: Offshore Wind and Whales Whale Communications Committee Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Avoidance, Displacement, Entanglement, Habitat Change, Noise Marine Mammals, Cetaceans
Entanglement Evidence Base OES-Environmental Summary Marine Energy, Wind Energy, Floating Offshore Wind Entanglement
Marine Renewable Energy: An Introduction to Environmental Effects OES-Environmental Summary Marine Energy, Tidal, Wave Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Human Dimensions
Stressor-Specific Guidance Document: Entanglement OES-Environmental Report Marine Energy Entanglement
2024 West Coast Whale Entanglement Summary NOAA Fisheries Summary Entanglement Marine Mammals, Cetaceans
Improving decisionmaking in relation to offshore wind priority knowledge and decision support needs for Australia Australian Marine Conservation Society Report Wind Energy, Fixed Offshore Wind Changes in Flow, Collision, EMF, Entanglement, Noise, Vessel Strike Birds, Fish, Marine Mammals, Cetaceans, Physical Environment, Human Dimensions
Offshore wind FAQs Australian Marine Conservation Society Report Wind Energy, Fixed Offshore Wind Attraction, Avoidance, Collision, Displacement, Entanglement, Habitat Change, Noise, Vessel Strike Birds, Fish, Invertebrates, Marine Mammals, Cetaceans
Tidal Stream Energy Project: Collision Risk Data and Evidence Summary Phillips, E., Wren, S., King, G. Report Marine Energy, Tidal Avoidance, Collision, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Demersal Fish, Pelagic Fish, Invertebrates, Marine Mammals, Cetaceans, Pinnipeds, Physical Environment, Sediment Transport, Human Dimensions, Legal & Policy
Sustainability Assessment of an Oscillating Water Column During the Design, Installation, Operation, and Disassembly Phases Gallego-Ramírez, C., López-Mosquera, J., Chica, E. Journal Article Marine Energy, Wave Attraction, Avoidance, Changes in Flow, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise, Vessel Strike Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Cetaceans, Pinnipeds, Physical Environment, Sediment Transport, Water Quality, Human Dimensions, Environmental Impact Assessment, Fisheries, Navigation, Recreation & Tourism, Social & Economic Data, Visual Impacts
Exploring Approaches to Fisheries’ Coexistence with Floating Offshore Wind Sandzen, A., Bakhsh, T., MacDonald, H. Report Wind Energy, Floating Offshore Wind Entanglement Human Dimensions, Fisheries, Stakeholder Engagement
Outlook on the development of eco-friendly offshore renewable energy technologies Sun, P., Jiang, Z., Chen, Y. Journal Article Marine Energy, Tidal, Wave, Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Changes in Flow, Collision, EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Fish, Invertebrates, Marine Mammals, Human Dimensions, Legal & Policy, Marine Spatial Planning
Glider Surveillance for Near-Real-Time Detection and Spatial Management of North Atlantic Right Whales Indeck, K., Baumgartner, M., Lecavalier, L. Journal Article Wind Energy, Fixed Offshore Wind Entanglement, Noise, Vessel Strike Marine Mammals, Cetaceans
Environmental Effects of Offshore Wind Energy in the Gulf of Mexico: Compilation of Educational Research Briefs [Booklet] Severy, M., Farr, H., Richlen, M. Summary Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Changes in Flow, Collision, EMF, Entanglement, Habitat Change, Noise, Vessel Strike Bats, Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Reptiles, Sea Turtles
A Fuzzy Logic Technique for the Environmental Impact Assessment of Marine Renewable Energy Power Plants Flores, P., Mendoza, E. Journal Article Marine Energy, Ocean Current, OTEC, Tidal, Wave Attraction, Avoidance, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Fish, Marine Mammals, Physical Environment, Human Dimensions, Environmental Impact Assessment, Visual Impacts
Floating Offshore Wind Energy Infrastructure Nielsen, K., Robertson, B., Sierman, J. Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind Attraction, Avoidance, Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Bats, Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Cetaceans, Physical Environment, Reptiles, Sea Turtles, Human Dimensions, Legal & Policy, Marine Spatial Planning, Stakeholder Engagement
Scenarios for Replacing Conventional Energy With Offshore Renewable Energy Along the Central California Coast Ruttenberg, B., Wang, Y. , Walter, R. Report Wind Energy, Floating Offshore Wind Avoidance, Changes in Flow, Collision, Displacement, Entanglement, Noise Bats, Birds, Fish, Invertebrates, Marine Mammals, Cetaceans, Human Dimensions, Fisheries, Legal & Policy, Marine Spatial Planning
Wave and Tidal Energy: Evaluation of Feasibility, Costs, and Benefits Senate Bill 605 Report Lee, S., Strong, V., Aspen Environmental Group Report Marine Energy, Tidal, Wave Avoidance, Changes in Flow, Collision, Entanglement, Habitat Change, Noise Birds, Fish, Marine Mammals, Human Dimensions, Legal & Policy, Social & Economic Data
MASTS ASM 2024 Workshop Proceeding: Tracking Top Predators in Marine Renewable Energy Development Areas Sutherland, J. Marine Energy, Wind Energy Attraction, Chemicals, Collision, Displacement, EMF, Entanglement, Habitat Change Birds, Ecosystem Processes, Fish, Marine Mammals, Cetaceans, Pinnipeds
NMFS West Coast Offshore Wind Energy Strategic Science Plan National Marine Fisheries Service (NMFS) Report Wind Energy, Fixed Offshore Wind, Floating Offshore Wind EMF, Entanglement, Habitat Change, Noise Birds, Seabirds, Ecosystem Processes, Fish, Marine Mammals, Human Dimensions, Fisheries, Legal & Policy, Marine Spatial Planning
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
2024 State of the Science Report - Chapter 3: Marine Renewable Energy: Stressor-Receptor Interactions Garavelli, L., Hemery, L., Rose, D. Report Marine Energy, OTEC, Tidal, Wave Changes in Flow, Collision, Displacement, EMF, Entanglement, Habitat Change, Noise Birds, Ecosystem Processes, Fish, Invertebrates, Marine Mammals, Physical Environment, Reptiles

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