Offshore Wind

Harnessing wind energy in offshore environments.

Similar to land-based wind technologies, offshore wind uses turbines to generate energy which is delivered to the shore via an export cable. A main advantage of offshore wind is the stronger and more consistent winds that blow offshore, allowing the use of larger turbine blades. The development of offshore wind in Europe and Asia has preceded development activities in other parts of the world. However, several projects in the United States are currently underway. While the most common offshore wind energy technology is a three-bladed horizontal axis turbine, there are a variety of foundation types which can support the deployment of devices in a range of aquatic environments – shallow nearshore habitats to deeper offshore environments.

 

Monopile Foundation

 

Monopile foundations are used at shallow depths (0-30 m) and consist of a pile being driven to varying depths into the seabed (10-40 m) depending on the soil conditions. The pile-driving construction process is an environmental concern as the noise produced is incredibly loud and propagates far in the water, even after mitigation strategies such as bubble shields, slow start, and acoustic cladding are employed. As with land-based wind energy, collision risk with birds and bats is a major concern, though the impact is more difficult to quantify because carcasses that provide evidence of collisions become lost at sea. While the footprint of offshore wind energy is relatively small, it may still cause scouring. As with all electricity generation, there is a slight concern that electromagnetic fields generated by power cables may affect animals that use Earth's natural magnetic field for orientation, navigation, and hunting. Likewise, chemicals such as anti-corrosion paint and small amounts of oil and grease may enter the waterbody during spills, though some turbine designs do not require lubrication. Artificial reefing is likely to occur around wind farms as the new hard substrate provides protection and attracts colonizing invertebrates.

Tripod Fixed Bottom

 

Tripod fixed bottom foundations are used at transitional depth (20-80 m) and consist of three legs connecting to a central shaft that supports the turbine base. Each leg has a pile driven into the seabed creating a wide foundation that allows for the piles to be placed at a shallower depth in the seabed. The environmental effects are very similar to monopiles, except that the footprint is a little larger.

Gravity Foundation

 

Gravity foundations are used at shallow depths (0-30 m) and consist of a large and heavy base constructed of steel or concrete to rest on the seabed. The footprint is relatively large and may cause scouring, artificial reefing, or physical destruction of habitats upon introduction. Otherwise, the environmental effects are similar to monopiles.

Gravity Tripod

 

Gravity tripod foundations are used at transitional depths (10-40 m) and consist of two heavy concrete structures connected by three legs where one structure sits on the seabed while the other sits above the water. Very few offshore windfarms are currently using this foundation. The environmental concerns are identical to those of gravity foundations, though the scouring effect may be less significant depending on the design.

Floating Structure

 

Floating structure foundations are used at deep depths (40-900 m) and consist of a balanced floating structure moored to the seabed with fixed cables. The floating structure may be stabilized using buoyancy, mooring lines, or a ballast. The mooring lines may cause minor scouring or pose a risk of collision, but the turbine foundation is mostly located in the upper layer of the water column where there tend to be less organisms.

Total Results: 1140
Title Author Date Type of Contentsort descending Technology Type Stressor Receptor
A Comparison of Offshore Wind Power Development in Europe and the US: Patterns and Drivers of Development Snyder, B., Kaiser, M. October 2009 Journal Article Wind Energy general, Offshore Wind Socio-economics
Risk Evaluation for Federally Listed (Roseate Tern, Piping Plover) or Candidate (Red Knot) Bird Species in Offshore Waters: A First Step for Managing the Potential Impacts of Wind Facility Development on the Atlantic Outer Continental Shelf Burger, J., et al. January 2011 Journal Article Wind Energy general, Offshore Wind Birds, Seabirds, Shorebirds, Farfield Environment
A Model for Passive Underwater Noise Suppression by Bubble Curtains Surrounding Point or Line Sources in Shallow Water Hay, T., et al. October 2012 Journal Article Wind Energy general, Offshore Wind Noise
A Semi Analytical Model for the Prediction of Underwater Noise from Offshore Pile Driving Tsouvalas, A., Metrikine, V. June 2013 Journal Article Wind Energy general, Offshore Wind Noise
Aerial Survey of Seabirds: The Advent of Digital Methods Buckland, S., et al. August 2012 Journal Article Wind Energy general, Offshore Wind Birds
Aggregation and Feeding Behaviour of Pouting (Trisopterus luscus) at Wind Turbines in the Belgian Part of the North Sea Reubens, J., Degraer, S., Vincx, M. February 2011 Journal Article Wind Energy general, Offshore Wind Static Device Fish
Aggregation at Windmill Artificial Reefs: CPUE of Atlantic Cod (Gadus morhua) and Pouting (Trisopterus luscus) at Different Habitats in the Belgian Part of the North Sea Reubens, J., et al. March 2013 Journal Article Wind Energy general, Offshore Wind Fish, Nearfield Habitat
An Investigation into the Effects of Underwater Piling Noise on Salmonids Nedwell, J., et al. November 2006 Journal Article Wind Energy general, Offshore Wind Noise Fish
Analysis of Environmental Characteristics and Operational Reports of Small and Medium Turbines Florescu, A., Bandoc, G., Degeratu, M. May 2012 Journal Article Wind Energy general, Offshore Wind Dynamic Device Socio-economics
Assessing Integrated Risks Of Offshore Wind Projects: Moving Towards Gigawatt-scale Deployments Ram, B. June 2011 Journal Article Wind Energy general, Offshore Wind
Assessing the Life Cycle Environmental Impacts of Wind Power: A Review of Present Knowledge and Research Needs Arvesen, A., Hertwich, E. October 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics, Life Cycle Assessment
Assessing the Responses of Coastal Cetaceans to the Construction of Offshore Wind Turbines Thompson, P., et al. August 2010 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Assessing the Impact of Marine Wind Farms on Birds through Movement Modelling Masden, E., et al. May 2012 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Assessing the Impacts of Wind Farms on Birds Drewitt, A., Langston, R. March 2006 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Assessing Underwater Noise Levels during Pile-Driving at an Offshore Windfarm and its Potential Effects on Marine Mammals Bailey, H., et al. June 2010 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Assessing Vulnerability of Marine Bird Populations to Offshore Wind Farms Furness, R., Wade, H., Masden, E. April 2013 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Avian Issues for Offshore Wind Development Allison, T., Jedrey, E., Perkins, S. June 2008 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Waterfowl
Avian Sensitivity to Mortality: Prioritising Migratory Bird Species for Assessment at Proposed Wind Farms Desholm, M. June 2009 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Passerines, Raptors, Seabirds, Waterfowl
Avian Collision Risk at an Offshore Wind Farm Desholm, M., Kahlert, J. June 2005 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds, Waterfowl
Barotrauma is a Significant Cause of Bat Fatalities at Wind Turbines Baerwald, E., et al. August 2008 Journal Article Wind Energy general, Offshore Wind Dynamic Device Bats
Barriers to Movement: Modelling Energetic Costs of Avoiding Marine Wind Farms Amongst Breeding Seabirds Masden, E., et al. July 2010 Journal Article Wind Energy general, Offshore Wind Static Device Birds, Seabirds
Behavioural Reactions of Free-Ranging Porpoises and Seals to the Noise of a Simulated 2 MW Windpower Generator Koschinski, S., et al. December 2003 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Bird Migration Studies and Potential Collision Risk with Offshore Wind Turbines Hüppop, O., et al. March 2006 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds, Passerines
Birds and Offshore Wind Farms: A Hot Topic in Marine Ecology Exo, K., Hüppop, O., Garthe, S. April 2003 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds, Ecosystem, Nearfield Habitat
California Offshore Wind Energy Potential Dvorak, M., Archer, C., Jacobson, M. June 2010 Journal Article Wind Energy general, Offshore Wind
Challenges and Solutions of Remote Sensing at Offshore Wind Energy Developments Kelly, T., West, T., Davenport, J. November 2009 Journal Article Wind Energy general, Offshore Wind Bats, Birds
Colonization of an Artificial Hard Substrate by Mytilus edulis in the German Bight Joschko, T., et al. October 2008 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Static Device Benthic Invertebrates
Common Sole Larvae Survive High Levels of Pile-Driving Sound in Controlled Exposure Experiments Bolle, L., et al. March 2012 Journal Article Wind Energy general, Offshore Wind Noise Fish
Consequences of a Cumulative Perspective on Marine Environmental Impacts: Offshore Wind Farming and Seabirds at North Sea Scale in Context of the EU Marine Strategy Framework Directive Busch, M., et al. January 2013 Journal Article Wind Energy general, Offshore Wind Birds, Farfield Environment
Consequential Environmental System Analysis of Expected Offshore Wind Electricity Production in Germany Pehnt, M., Oeser, M., Swider, D. May 2008 Journal Article Wind Energy general, Offshore Wind Socio-economics, Climate Change, Life Cycle Assessment
Cultural Ecosystem Services in the Context of Offshore Wind Farming: A Case Study from the West Coast of Schleswig-Holstein Gee, K., Burkhard, B. September 2010 Journal Article Wind Energy general, Offshore Wind Socio-economics, Stakeholder Engagement
Cumulative Impact Assessments and Bird/Wind Farm Interactions: Developing a Conceptual Framework Masden, E., et al. January 2010 Journal Article Wind Energy general, Offshore Wind Birds, Farfield Environment
Decision Bias in Marine Spatial Planning of Offshore Wind Farms: Problems of Singular Versus Cumulative Assessments of Economic Impacts on Fisheries Berkenhagen, J., et al. May 2010 Journal Article Wind Energy general, Offshore Wind Socio-economics
Design and Implementation of a Marine Animal Alert System to Support Marine Renewable Energy Deng, Z., et al. July 2013 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Marine Mammals
Tethys: Developing a Commons for Understanding Environmental Effects of Marine Renewable Energy Copping, A., et al. December 2013 Journal Article Marine Energy general, Wind Energy general, Offshore Wind
Diel Variation in Feeding and Movement Patterns of Juvenile Atlantic Cod at Offshore Wind Farms Reubens, J., et al. May 2013 Journal Article Wind Energy general, Offshore Wind Static Device Fish
Differentiating Between Underwater Construction Noise of Monopile and Jacket Foundations for Offshore Windmills: A Case Study from the Belgian Part of the North Sea Norro, A., Rumes, B., Degraer, S. February 2013 Journal Article Wind Energy general, Offshore Wind Noise
Doppler Lidar-Based Wind-Profile Measurement System for Offshore Wind Energy and Other Marine Boundary Layer Applications Pichugina, Y., et al. February 2012 Journal Article Wind Energy general, Offshore Wind
Information Needs to Support Environmental Impact Assessments of the Effects of European Marine Offshore Wind Farms on Birds Fox, A., et al. March 2006 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds
Ecological and Economic Cost-Benefit Analysis of Offshore Wind Energy Snyder, B., Kaiser, M. June 2009 Journal Article Wind Energy general, Offshore Wind Socio-economics
Ecosystem Based Modeling and Indication of Ecological Integrity in the German North Sea - Case Study Offshore Wind Parks Burkhard, B., et al. August 2009 Journal Article Wind Energy general, Offshore Wind Static Device Ecosystem
Effects of the Construction of Scroby Sands Offshore Wind Farm on the Prey Base of Little Tern Sternula albifons at its Most Important UK Colony Perrow, M., et al. August 2011 Journal Article Wind Energy general, Offshore Wind Noise Birds, Seabirds, Ecosystem, Fish
Electromagnetic Simulation of the Near-Field Distribution around a Wind Farm Ling, H., Yang, S. January 2013 Journal Article Wind Energy general, Offshore Wind EMF Nearfield Habitat
Energy Performances and Life Cycle Assessment of an Italian Wind Farm Ardente, F., et al. January 2008 Journal Article Wind Energy general, Offshore Wind Socio-economics, Life Cycle Assessment
Environmental and Ecological Effects of Ocean Renewable Energy Development: A Current Synthesis Boehlert, G., Gill, A. June 2010 Journal Article Marine Energy general, OTEC, Tidal, Wave, Wind Energy general, Offshore Wind Static Device Nearfield Habitat
Environmental Impact Assessment of Offshore Wind Farms: A Simulation-Based Approach Lapeña, B., et al. August 2010 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Epibenthic Colonization of Concrete and Steel Pilings in a Cold-Temperate Embayment: A Weld Experiment Andersson, M., et al. March 2009 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Epifauna Dynamics at an Offshore Foundation - Implications of Future Wind Power Farming in the North Sea Krone, R., et al. April 2013 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates
Evaluating the Statistical Power of Detecting Changes in the Abundance of Seabirds at Sea Maclean, I., et al. January 2013 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Birds
Extensive Open Ocean Aquaculture Development Within Wind Farms in Germany: The Prospect of Offshore Co-Management and Legal Constraints Buck, B., Krause, G., Rosenthal, H. January 2004 Journal Article Wind Energy general, Offshore Wind Fish, Socio-economics
Fish And Sessile Assemblages Associated With Wind-turbine Constructions In The Baltic Sea Andersson, M., Öhman, M. June 2010 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Fish
Fouling Assemblages on Offshore Wind Power Plants and Adjacent Substrata Wilhelmsson, D., Malm, T. September 2008 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Fish, Nearfield Habitat
Found in the Wind: The Value of Early Consultation and Collaboration with Other Ocean Users for Successful Offshore Wind Development Frulla, D., Hagerman, G., Hallowell, M. March 2012 Journal Article Wind Energy general, Offshore Wind
Framework for Assessing Impacts of Pile-Driving Noise from Offshore Wind Farm Construction on a Harbour Seal Population Thomson, P., et al. November 2013 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Green Light For Nocturnally Migrating Birds Poot, H., et al. January 2008 Journal Article Wind Energy general, Offshore Wind Lighting Birds
Harbour Porpoises (Phocoena phocoena) and Wind Farms: A Case Study in the Dutch North Sea Scheidat, M., et al. June 2011 Journal Article Wind Energy general, Offshore Wind Static Device Marine Mammals
Hearing in Fish and their Reactions to Sounds from Offshore Wind Farms Wahlberg, M., Westerberg, H. March 2005 Journal Article Wind Energy general, Offshore Wind Noise Fish
Influence of Behavior on Bird Mortality in Wind Energy Developments Smallwood, K., Rugge, L., Morrison, M. September 2009 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds, Passerines, Raptors, Waterfowl
Is There a Conflict Between Cetacean Conservation and Marine Renewable-Energy Developments? Brown, V., Simmonds, M. December 2010 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Noise Marine Mammals
Life Cycle Assessment of the Offshore Wind Farm Alpha Ventus Wagner, H., et al. May 2011 Journal Article Wind Energy general, Offshore Wind Socio-economics, Life Cycle Assessment
Likely Sensitivity of Bottlenose Dolphins to Pile-Driving Noise David, J. January 2006 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Local Effects of Blue Mussels Around Turbine Foundations in an Ecosystem Model of Nysted Off-Shore Wind Farm, Denmark Maar, M., et al. August 2009 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Nearfield Habitat
Managing Offshore Wind Developments in the United States: Legal, Environmental and Social Considerations using a Case Study in Nantucket Sound Santora, C., Hade, N., Odell, J. January 2004 Journal Article Wind Energy general, Offshore Wind Socio-economics
Marine Renewable Energies: Perspectives and Implications for Marine Ecosystems Azzellino, A., et al. June 2013 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Ecosystem
Marine Renewable Energy: Potential Benefits to Biodiversity? An Urgent Call for Research Inger, R., et al. December 2009 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Ecosystem
Minimizing Collision Risk Between Migrating Raptors and Marine Wind Farms: Development of a Spatial Planning Tool Baisner, A., et al. November 2010 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds, Raptors
Modeling Carcass Removal Time for Avian Mortality Assessment in Wind Farms Using Survival Analysis Bispo, R., et al. March 2013 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds
Modelling Harbour Porpoise Seasonal Density as a Function of the German Bight Environment: Implications for Management Gilles, A., et al. August 2011 Journal Article Wind Energy general, Offshore Wind Marine Mammals
Modelling of Pile Driving Noise by Means of Wavenumber Integration Lippert, T., Lippert, S. December 2012 Journal Article Wind Energy general, Offshore Wind Noise
Negative Long Term Effects on Harbour Porpoises from a Large Scale Offshore Wind Farm in the Baltic - Evidence of Slow Recovery Teilmann, J., Carstensen, J. December 2012 Journal Article Wind Energy general, Offshore Wind Static Device Marine Mammals
Ocean Management & Planning in the United States: From Competition to Cooperation Heimes, R. September 2010 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Socio-economics
Ocean Planning and the Gulf of Maine: Exploring Bi-National Policy Options Fanning, L., Heimes, R. May 2010 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Socio-economics
Offshore Wind Capital Cost Estimation in the U.S. Outer Continental Shelf - A Reference Class Approach Kaiser, M., Snyder, B. September 2012 Journal Article Wind Energy general, Offshore Wind Socio-economics
Offshore Wind Farms and Commercial Fisheries in the UK: A Study in Stakeholder Consultation Gray, T., Haggett, C., Bell, D. January 2005 Journal Article Wind Energy general, Offshore Wind Socio-economics, Fishing, Stakeholder Engagement
Offshore Wind Farms as Productive Sites or Ecological Traps for Gadoid Fishes? - Impact on Growth, Condition Index and Diet Composition Reubens, J., et al. September 2013 Journal Article Wind Energy general, Offshore Wind Static Device Fish
Offshore Windmill Farms: Threats to or Possibilities for the Marine Environment Petersen, J., Malm, T. March 2006 Journal Article Wind Energy general, Offshore Wind Static Device Nearfield Habitat
Offshore Windmills and the Effects of Electromagnetic Fields on Fish Öhman, M., Sigray, P., Westerberg, H. December 2007 Journal Article Wind Energy general, Offshore Wind EMF Fish
Offshore Renewable Energy: Ecological Implications of Generating Electricity in the Coastal Zone Gill, A. August 2005 Journal Article Wind Energy general, Offshore Wind EMF, Energy Removal, Noise, Static Device Farfield Environment, Nearfield Habitat
Offshore Wind Power Policy and Planning in Sweden Söderholm, P., Pettersson, M. February 2010 Journal Article Wind Energy general, Offshore Wind Socio-economics
On The Influence Of Large Wind Farms On The Upper Ocean Circulation Broström, G. November 2008 Journal Article Wind Energy general, Offshore Wind Energy Removal Farfield Environment
Particle Motion Measured at an Operational Wind Turbine in Relation to Hearing Sensitivity in Fish Sigray, P., Andersson, M. July 2011 Journal Article Wind Energy general, Offshore Wind Noise Fish
Perception of Low-Frequency Acoustic Signals by a Harbour Porpoise (Phocoena phocoena) in the Presence of Simulated Offshore Wind Turbine Noise Lucke, K., et al. January 2007 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Perceived Concerns and Possible Management Strategies for Governing 'Wind-Farm Mariculture Integration' Michler-Cieluch, T., Krause, G. November 2008 Journal Article Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Socio-economics
Pile Driving Zone of Responsiveness Extends Beyond 20 km for Harbour Porpoises (Phocoena phocoena (L.)) Tougaard, J., et al. March 2009 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Postdevelopment Experiments to Detect Anthropogenic Disturbances: The Case of Sea Ducks and Wind Parks Guillemette, M., Larsen, J. June 2002 Journal Article Wind Energy general, Offshore Wind Static Device Birds, Waterfowl
Potential Climatic Impacts And Reliability Of Very Large-scale Wind Farms Wang, C., Prinn, G. January 2010 Journal Article Wind Energy general, Offshore Wind Energy Removal Farfield Environment
Predicting Underwater Radiated Noise Levels due to the First Offshore Wind Turbine Installation in the U.S. Kim, H., Miller, J., Potty, G. June 2013 Journal Article Wind Energy general, Offshore Wind Noise
Public Engagement with Large-Scale Renewable Energy Technologies: Breaking the Cycle of NIMBYism Devine-Wright, P. November 2010 Journal Article Marine Energy general, Wind Energy general, Offshore Wind Socio-economics
Public Opinion about Large Offshore Wind Power: Underlying Factors Firestone, J., Kempton, W. March 2007 Journal Article Wind Energy general, Offshore Wind Socio-economics
Radar Monitoring of Migrating Pink-Footed Geese: Behavioural Responses to Offshore Wind Farm Development Plonczkier, P., Simms, I. August 2012 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Radio Telemetry as a Tool for Impact Assessment of Wind Farms: The Case of Little Terns Sterna albifrons at Scroby Sands, Norfolk, UK Perrow, M., et al. March 2006 Journal Article Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds
Recovery of Barotrauma Injuries in Chinook Salmon, Oncorhynchus tshawytscha from Exposure to Pile Driving Sound Casper, B., et al. June 2012 Journal Article Wind Energy general, Offshore Wind Noise Fish
Reflections on Integrating Operations and Maintenance Activities of Offshore Wind Farms and Mariculture Michler-Cieluch, T., Krause, G., Buck, B. January 2009 Journal Article Wind Energy general, Offshore Wind Socio-economics
Remote Techniques for Counting and Estimating the Number of Bird-Wind Turbine Collisions at Sea: A Review Desholm, M., et al. March 2006 Journal Article Wind Energy general, Offshore Wind Dynamic Device Birds
Renewable Energy from the Ocean Pelc, R., Fujita, R. November 2002 Journal Article Marine Energy general, Wind Energy general, Offshore Wind
Responses of Harbour Porpoises to Pile Driving at the Horns Rev II Offshore Wind Farm in the Danish North Sea Brandt, M., et al. January 2011 Journal Article Wind Energy general, Offshore Wind Noise Marine Mammals
Risk Formulation For The Sonic Effects Of Offshore Wind Farms On Fish In The EU Region Kikuchi, R. February 2010 Journal Article Wind Energy general, Offshore Wind Noise Fish
Scaling Possible Adverse Effects of Marine Wind Farms on Seabirds: Developing and Applying a Vulnerability Index Garthe, S., Hüppop, O. July 2004 Journal Article Wind Energy general, Offshore Wind Birds, Seabirds
Seabird Aggregative Patterns: A New Tool for Offshore Wind Energy Risk Assessment Christel, I., et al. January 2013 Journal Article Wind Energy general, Offshore Wind Static Device Birds
Seal Scarers as a Tool to Deter Harbour Porpoises from Offshore Construction Sites Brandt, M., et al. February 2013 Journal Article Wind Energy general, Offshore Wind Marine Mammals

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