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Integrating Wind Turbines and Fish Farms: An Evaluation of Potential Risks to Marine and Coastal Bird Species

1
Scottish Association for Marine Science (SAMS), University of the Highlands and Islands (UHI), Dunstaffnage, Oban, Argyll, Scotland PA37 1QA, UK
2
Environmental Research Institute (ERI), North Highland College, University of the Highlands and Islands (UHI), Ormlie Road, Thurso, Caithness, Scotland KW14 7EE, UK
3
Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, 100 Montrose Street, Glasgow, Scotland G4 0LZ, UK
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2020, 8(6), 414; https://doi.org/10.3390/jmse8060414
Received: 30 April 2020 / Revised: 18 May 2020 / Accepted: 4 June 2020 / Published: 6 June 2020
(This article belongs to the Special Issue Environmental Interactions of Marine Renewable Energy Installations)
Expansion of marine aquaculture into more remote areas will likely accelerate over the next decade. Integrating Marine Renewable Energy (MRE) generation technologies (e.g., wind turbines) into remote, off-grid aquaculture sites will reduce reliance on fossil fuels by allowing localised low-carbon power generation, but may also result in novel environmental pressures. In this study, we undertook a thought experiment to assess the potential for increased collision risks to local marine and coastal bird species of integrating small wind turbines (4 units; combined capacity of 200 MWh) into a generalised marine fish farm in western Scotland (UK). Potential risks to bird species were assessed using a bespoke Sensitivity Index (SI) based on 12 factors, including population size, adult survival rate, UK conservation status, flight manoeuvrability, nocturnal flight activity, habitat preference, sensitivity to wind farms, attraction to fish farms for feeding and/or resting, and attraction to other marine anthropogenic structures/activities. SI scores varied substantially between species, but large gulls (Larus sp.) and European shag (Phalacrocorax aristotelis) were expected to be at the greatest potential risk. The general lack of information on interactions between birds and fish farms represented a significant knowledge gap, and greater focus on these interactions is needed to improve future risk assessments. View Full-Text
Keywords: aquaculture; birds; sensitivity analysis; wind turbines; collision risk; conservation aquaculture; birds; sensitivity analysis; wind turbines; collision risk; conservation
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Benjamins, S.; Masden, E.; Collu, M. Integrating Wind Turbines and Fish Farms: An Evaluation of Potential Risks to Marine and Coastal Bird Species. J. Mar. Sci. Eng. 2020, 8, 414.

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