Knowledge Base

The Knowledge Base provides access to information about the environmental effects of marine and wind energy, supporting OES-Environmental and WREN initiatives. Relevant documents and OES-Environmental metadata forms are compiled into a user-friendly table with advanced filtering. Filters may be selected on the right, or keywords entered in the Search Text box. Content may also be sorted alphabetically by clicking on column headers. More entries will load as you scroll down.


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Title Author* Date** Type of Content Technology Typessort descending Stressors Receptors
A study of White-tailed Eagle Haliaeetus albicilla movements and mortality at a wind farm in Norway Nygård, T., et al. January 2010 Conference Paper Wind Energy general, Land-Based Wind Dynamic Device Birds, Raptors
Is wind energy increasing the impact of socio-ecological change on Mediterranean mountain ecosystems? Insights from a modelling study relating wind power boost options with a declining species Ferreira, D., et al. May 2019 Journal Article Wind Energy general, Land-Based Wind N/A Birds, Passerines
Bird and Bat Conservation Strategy Deuel Harvest North Wind Farm Deuel County, South Dakota Simon, S., Welch-Acosta, B. March 2019 Report Wind Energy general, Land-Based Wind N/A Bats, Birds
Assess risk of individual turbines to Golden Eagles Miller, T. March 2019 Report Wind Energy general, Land-Based Wind Dynamic Device Birds, Raptors
Effects of wind turbine noise on the surrounding soundscape in the context of greater-prairie chicken courtship vocalizations Whalen, C., et al. October 2019 Journal Article Wind Energy general, Land-Based Wind Noise Birds, Ground-Nesting Birds
Wind turbines in high quality habitat cause disproportionate increases in collision mortality of the white-tailed eagle Heuck, C., et al. August 2019 Journal Article Wind Energy general, Land-Based Wind Dynamic Device Birds, Raptors
Estimating Potential Costs of Cumulative Barrier Effects on Migrating Raptors: A Case Study Using Global Positioning System Tracking in Japan Kikuchi, D., et al. March 2019 Book Chapter Wind Energy general, Land-Based Wind Static Device Birds, Raptors
A long‐term assessment of raptor displacement at a wind farm Dohm, R., et al. July 2019 Journal Article Wind Energy general, Land-Based Wind Static Device Birds, Raptors
Testing efficacy of bird deterrents at wind turbine facilities: a pilot study in Nova Scotia, Canada Dorey, K., Dicky, S., Walker, T. January 2019 Journal Article Wind Energy general, Land-Based Wind Static Device Birds
Machine learning applied to wind turbine blades impact detection Hu, C., Albertani, R. May 2019 Journal Article Wind Energy general, Land-Based Wind Dynamic Device Birds
Effect of wind turbines on bird abundance: A national scale analysis based on fixed effects models Miao, R., et al. September 2019 Journal Article Wind Energy general, Land-Based Wind N/A Birds
Second year post-construction monitoring of bats and birds at Wind Turbine Test Centre Østerild Therkildsen, O., Elmeros, M. June 2017 Report Wind Energy general, Land-Based Wind N/A Bats, Birds
Impacts of Wind Farms on Birds in Evros and Rhodopi, Greece: Pleminary results Ruiz, G., Poirazidis, K., Schindler, S. January 2006 Conference Paper Wind Energy general, Land-Based Wind Dynamic Device Birds, Raptors
Population dynamics in white-tailed eagle at an on-shore wind farm area in coastal Norway Dahl, E. January 2014 Thesis Wind Energy general, Land-Based Wind N/A Birds, Raptors
Impacts to Wildlife of Wind Energy Siting and Operation in the United States Allison, T., et al. September 2019 Report Wind Energy general, Land-Based Wind, Offshore Wind N/A Bats, Birds, Nearfield Habitat
Resolving environmental effects of wind energy Sinclair, K., et al. April 2018 Journal Article Wind Energy general, Land-Based Wind, Offshore Wind N/A Bats, Birds, Marine Mammals
Do birds in flight respond to (ultra)violet lighting? May, R., et al. December 2017 Journal Article Wind Energy general, Land-Based Wind, Offshore Wind N/A Birds
Wind and Wildlife: Siting Issues and Challenges Walker, R., Swift, A. May 2015 Book Chapter Wind Energy general, Land-Based Wind, Offshore Wind N/A Bats, Birds, Fish, Terrestrial Mammals
Ecological Effects of Wind-Energy Development National Resource Council August 2007 Book Chapter Wind Energy general, Land-Based Wind, Offshore Wind Dynamic Device, Static Device Bats, Birds, Nearfield Habitat
Future Directions in Conservation Research on Petrels and Shearwaters Rodríguez, A., et al. March 2019 Journal Article Wind Energy general, Land-Based Wind, Offshore Wind Dynamic Device Birds, Seabirds
Bird and Bat Collision Risks & Wind Energy Facilities Willmott, J., et al. December 2012 Report Wind Energy general, Land-Based Wind, Offshore Wind Dynamic Device, Static Device Bats, Birds
Wind Farms and Birds: An Updated Analysis of the Effects of Wind Farms on Birds, and Best Practice Guidance on Integrated Planning and Impact Assessment Gove, B., et al. September 2013 Report Wind Energy general, Land-Based Wind, Offshore Wind N/A Birds
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 N/A Birds, Seabirds, Shorebirds, Farfield Environment
A Review of Methods to Monitor Collisions or Micro-Avoidance of Birds with Offshore Wind Turbines - Part 1: Review Strategic Ornithological Support Services Project Collier, M., Dirksen, S., Krijgsveld, K. September 2011 Report Wind Energy general, Offshore Wind Dynamic Device Birds
A Review of Methods to Monitor Collisions or Micro-Avoidance of Birds with Offshore Wind Turbines - Part 2: Feasibility Study of Systems to Monitor Collisions Collier, M., Dirksen, S., Krijgsveld, K. February 2012 Report Wind Energy general, Offshore Wind Dynamic Device Birds
Aerial Survey of Seabirds: The Advent of Digital Methods Buckland, S., et al. August 2012 Journal Article Wind Energy general, Offshore Wind N/A Birds
Aerial Surveys of Waterbirds in Strategic Wind Farm Areas Bloor, P., Wratten, A. May 2006 Report Wind Energy general, Offshore Wind N/A Birds, Passerines, Seabirds, Shorebirds, Waterfowl
An Evaluation of the Wildlife Impacts of Offshore Wind Development Relative to Fossil Fuel Power Production Jarvis, C. September 2005 Thesis Wind Energy general, Offshore Wind Chemicals, Static Device Benthic Invertebrates, Birds, Fish, Socio-economics
Analysis of Marine Environmental Monitoring Plan Data from the Robin Rigg Offshore Wind Farm, Scotland (Operational Year 1) Walls, R., et al. January 2013 Report Wind Energy general, Offshore Wind N/A Benthic Invertebrates, Birds, Fish, 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 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
Assessment of the Effects of Offshore Wind in Birds Percival, S. January 2001 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds, Waterfowl
Assessment of the Environmental Impact of Offshore Wind-Farms OSPAR Commission January 2008 Conference Paper Wind Energy general, Offshore Wind N/A Benthic Invertebrates, Birds, Fish, Marine Mammals
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
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
Barrow Offshore Wind Farm Post-Construction Monitoring Report Barrow Offshore Wind January 2008 Report Wind Energy general, Offshore Wind Dynamic Device, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Seabirds, Waterfowl, Fish
Base-Line Investigations of Birds in Relation to an Offshore Wind Farm at Rødsand: Results and Conclusions, 2002 Desholm, M., et al. September 2003 Report Wind Energy general, Offshore Wind Static Device Birds, Passerines, Raptors, Seabirds, Waterfowl
Bird Numbers and Distributions in the Horns Rev Offshore Wind Farm Area Petersen, I. January 2005 Report Wind Energy general, Offshore Wind N/A Birds, Seabirds, Waterfowl
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
Cape Wind Final Environmental Impact Statement Minerals Management Service January 2009 Report Wind Energy general, Offshore Wind Chemicals, EMF, Energy Removal, Noise Benthic Invertebrates, Birds, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Sea Turtles, Socio-economics, Environmental Impact Assessment
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 N/A Bats, Birds
Changes in Bird Habitat Utilisation around the Horns Rev 1 Offshore Wind Farm, with Particular Emphasis on Common Scoter Petersen, I., Fox, A. April 2007 Report Wind Energy general, Offshore Wind Static Device Birds, Seabirds, Waterfowl
Collision Mortalities at Horseshoe Shoal of Bird Species of Special Concern Hatch, J., Brault, S. January 2007 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds, Shorebirds, Waterfowl
Concerted Action for Offshore Wind Energy Deployment (COD): Overview of Environmental Impacts of Offshore Wind Energy Roth, E., Verhoef, L., Dingenouts, M. September 2004 Report Wind Energy general, Offshore Wind N/A Birds, Fish, Marine Mammals, Nearfield Habitat
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 N/A Birds, Farfield Environment
Cumulative Effects of Wind Farms in the Dutch North Sea on Bird Populations Poot, M., et al. June 2012 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds
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 N/A Birds, Farfield Environment
Danish Offshore Wind Key Environmental Issues - A Follow-up Danish Energy Agency, et al. February 2013 Report Wind Energy general, Offshore Wind N/A Birds, Seabirds, Fish, Marine Mammals
Danish Offshore Wind: Key Environmental Issues DONG Energy, et al. November 2006 Report Wind Energy general, Offshore Wind Dynamic Device, EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat, Socio-economics
Development of a Cost Minimizing Strategy to Mitigate Bird Mortalities in a Wind Farm Singh, K. May 2012 Thesis Wind Energy general, Offshore Wind Dynamic Device Birds
Does the Wind Power Industry Threaten Marbled Murrelets or Do Marbled Murrelets Threaten the Wind Power Industry? Cooper, J., Beauchesne, S. March 2004 Conference Paper Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds
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, Socio-economics, Environmental Impact Assessment
Ecological Research on Offshore Wind Farms: International Exchange of Experiences - Part A Zucco, C., et al. January 2006 Workshop Article Wind Energy general, Offshore Wind N/A Benthic Invertebrates, Birds, Seabirds, Fish, Marine Mammals
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
Effects on Birds of an Offshore Wind Park at Horns Rev: Environmental Impact Assessment Noer, H., et al. January 2000 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Raptors, Seabirds, Waterfowl, Socio-economics, Environmental Impact Assessment
Environmental Consequences of Offshore Wind Power Generation Parkinson, K. April 2001 Thesis Wind Energy general, Offshore Wind Energy Removal, Static Device Birds, Fish, Marine Mammals
Review of the Current State of Knowledge on the Environmental Impacts of the Location, Operation and Removal/Disposal of Offshore Wind-Farms OSPAR Commission April 2006 Conference Paper Wind Energy general, Offshore Wind Chemicals, EMF, Energy Removal, Noise, Static Device Birds, Socio-economics
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, Socio-economics, Environmental Impact Assessment
Final Results of Bird Studies at the Offshore Wind Farms at Nysted and Horns Rev, Denmark Petersen, I., et al. January 2006 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Seabirds, Nearfield Habitat
Further Use of Aerial Surveys to Detect Bird Displacement by Offshore Windfarms Maclean, I., Skov, H., Rehfisch, M. October 2007 Report Wind Energy general, Offshore Wind Static Device Birds, Seabirds, Waterfowl
Green Light For Nocturnally Migrating Birds Poot, H., et al. January 2008 Journal Article Wind Energy general, Offshore Wind Lighting Birds
High Level Environmental Screening Study for Offshore Wind Farm Developments - Marine Habitats and Species Project Hiscock, K., Tyler-Walters, H., Jones, H. August 2002 Report Wind Energy general, Offshore Wind Dynamic Device, EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Seabirds, Ecosystem, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Socio-economics
Horns Rev 2 Offshore Wind Farm Bird Monitoring Program 2010-2012 Skov, H., et al. December 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Horns Rev II Offshore Wind Farm Food Basis for Common Scoter Skov, H., et al. September 2008 Report Wind Energy general, Offshore Wind Static Device Benthic Invertebrates, Birds, Ecosystem
Horns Rev II Offshore Wind Farm Monitoring of Bird Migration Skov, H., et al. May 2009 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds, Passerines, Seabirds, Waterfowl
Horns Rev II Offshore Wind Farm Monitoring of Migrating Waterbirds Piper, W., et al. October 2008 Report Wind Energy general, Offshore Wind Static Device Birds, Seabirds, Waterfowl
Horns Rev II Offshore Wind Farm Monitoring of Resting Waterbirds Skov, H., Piper, W., Leonhard, S. September 2008 Report Wind Energy general, Offshore Wind Static Device Birds
Review Report 2004: The Danish Offshore Wind Farm Demonstration Project: Horns Rev and Nysted Offshore Wind Farms Environmental Impact Assessment and Monitoring Boesen, C., Kjær, J. October 2005 Report Wind Energy general, Offshore Wind EMF, Energy Removal, Noise, Static Device Benthic Invertebrates, Birds, Farfield Environment, Fish, Marine Mammals, Nearfield Habitat, Socio-economics
Impact Assessment of an Off-shore Wind Park on Sea Ducks Guillemette, M., Larsen, J., Clausager, I. March 1998 Report Wind Energy general, Offshore Wind Noise, Static Device Birds, Waterfowl, Socio-economics, Environmental Impact Assessment
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
Interactions with Offshore Wind Energy: Birds and Bats Island Institute January 2012 Presentation Wind Energy general, Offshore Wind Dynamic Device, Energy Removal, Static Device Bats, Birds, Seabirds
Intersectoral Assessment of Impacts on Seabirds: Baseline Report for a Comprehensive Environmental Management Plan for the Norwegian Sea Christensen-Dalsgaard, S., et al. January 2008 Report Wind Energy general, Offshore Wind N/A Birds, Seabirds, Socio-economics
Investigations of Birds During Construction and Operation of Nysted Offshore Wind Farm at Rødsand Kahlert, J., et al. January 2004 Report Wind Energy general, Offshore Wind Dynamic Device, Noise, Static Device Birds, Passerines, Raptors, Seabirds, Waterfowl
Investigations of the Bird Collision Risk and the Responses of Harbour Porpoises in the Offshore Wind Farms Horns Rev, North Sea, and Nysted, Baltic Sea, in Denmark - Part I: Birds Blew, J., et al. January 2008 Report Wind Energy general, Offshore Wind Dynamic Device Birds
Large-Scale Offshore Wind Power in the United States: Assessment of Opportunities and Barriers Musial, M., Ram, B. September 2010 Report Wind Energy general, Offshore Wind Static Device Birds, Fish, Marine Mammals, Socio-economics
Marine Wind Farms: Seabirds, White-Tailed Eagles, Eurasian Eagle-Owl and Waders - A Screening of Potential Conflict Areas Christensen-Dalsgaard, S., et al. January 2010 Report Wind Energy general, Offshore Wind N/A Birds, Raptors, Seabirds, Shorebirds
Mid-Atlantic Marine Wildlife Surveys, Modeling, and Data: Workshop to Establish Coordination & Communication Brown-Saracino, J., Smith, C., Gilman, P. July 2013 Workshop Article Wind Energy general, Offshore Wind N/A Birds, Marine Mammals, Sea Turtles
Migration and Habitat Use by Seabirds in the Atlantic Flyway: Evaluation of Potential Impacts of Proposed Wind Farms Berlin, A. January 2012 Presentation Wind Energy general, Offshore Wind Static Device Birds, Seabirds, Waterfowl
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 Seabird Collision Risk with Off-Shore Wind Farms Mateos, M., Arroyo, G., Rosario, J. May 2011 Presentation Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds
Modelling Total Numbers and Distribution of Common Scoter Melanitta nigra at Horns Rev Petersen, I. November 2007 Report Wind Energy general, Offshore Wind N/A Birds, Waterfowl
Nature Conservation Guidance on Offshore Windfarm Development - A Guidance Note on the Implications of the EC Wild Birds and Habitats Directives for Developers Undertaking Offshore Windfarm Developments UK Department for Environment, Food and Rural Affairs March 2005 Report Wind Energy general, Offshore Wind Energy Removal, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat
New Insights and New Tools Regarding Risk to Roseate Terns, Piping Plovers, and Red Knots from Wind Facility Operations on the Atlantic Outer Continental Shelf Gordon, C. October 2011 Report Wind Energy general, Offshore Wind N/A Birds, Seabirds, Shorebirds
Strategic Joint Industry Project No.1: Bird avoidance behavior and collision impact monitoring at Offshore Windfarms Marine Scotland, et al. December 2012 Report Wind Energy general, Offshore Wind Dynamic Device, Static Device Birds
Offshore Wind Farms and Birds: Round 3 Zones, Extensions to Round 1 & Round 2 Sites & Scottish Territorial Waters Langston, R. February 2010 Report Wind Energy general, Offshore Wind N/A Birds, Seabirds
Offshore Wind Farms and the Environment: Danish Experiences from Horns Rev and Nysted Danish Energy Authority November 2006 Report Wind Energy general, Offshore Wind N/A Benthic Invertebrates, Birds, Seabirds, Fish, Marine Mammals, Socio-economics
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
Preliminary Investigations of Bird-Turbine Collisions at Nysted Offshore Wind Farm and Final Quality Control of Thermal Animal Detection System (TADS) Desholm, M. January 2005 Report Wind Energy general, Offshore Wind Dynamic Device Birds, Seabirds, Waterfowl
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
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
Review of Cabling Techniques and Environmental Effects Applicable to the Offshore Wind Farm Industry UK Department for Business Enterprise and Regulatory Reform January 2008 Report Wind Energy general, Offshore Wind Energy Removal, Static Device Benthic Invertebrates, Birds, Fish, Marine Mammals, Nearfield Habitat, Socio-economics
Revised Best Practice Guidance for the Use of Remote Techniques for Ornithological Monitoring at Offshore Windfarms Walls, R., et al. June 2009 Report Wind Energy general, Offshore Wind N/A Birds
Risks to Birds and Wildlife from Offshore Wind Farms: BOEMRE NC Task Force Peterson, C. May 2011 Presentation Wind Energy general, Offshore Wind Noise, Static Device Bats, Birds, Passerines, Seabirds, Shorebirds, Marine Mammals, Sea Turtles
Robin Rigg Offshore Wind Farm Marine Environmental Monitoring Plan (MEMP): Ecological Analysis Data Wells, R., Shenton, S. November 2011 Presentation Wind Energy general, Offshore Wind N/A Benthic Invertebrates, Birds, Seabirds, Waterfowl, Fish, Marine Mammals

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