Report 627
Red-Throated Diver Energetics Project - 2018 Field Season Report (Revised December 2018)
(2018)
O’Brien, S., Ruffino, L., Lehikoinen, P., Johnson, L., Lewis, M., Petersen, A., Petersen, I.K., Okill, D., Väisänen, R., Williams, J. & Williams, S.
The aim of this project was to reduce consent risk for offshore wind development in areas of high red-throated diver density, through improved understanding of diver energetic budgets in the non-breeding season.

Summary

 
Around Europe, large-scale deployment of offshore wind is already well underway and is forecast to continue until at least 2020. However, uncertainties around the impacts of offshore wind on the environment, particularly marine birds, increase consent risk for future developments.
 
Offshore wind farms are known to cause displacement of wintering red-throated divers (Gavia stellata), resulting in increased consent risk for projects planned for areas of high diver density. However, the consequences of this displacement at the individual and population level are unknown. Displacement is likely to increase energetic costs for divers but their ability to cope with these additional costs will depend on how energetically constrained they are. For the first time, energetics of red-throated divers is being investigated by the Red-throated Diver Energetics Project. Using time depth recorders and geolocators attached to red-throated divers on their breeding grounds, novel information on foraging behaviour of divers will be obtained.
 
 
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ISSN 0963-8091
 
Please cite as: O’Brien, S., Ruffino, L., Lehikoinen, P., Johnson, L., Lewis, M., Petersen, A., Petersen, I.K., Okill, D., Väisänen, R., Williams, J. & Williams, S., (2018), Red-Throated Diver Energetics Project - 2018 Field Season Report (Revised December 2018), JNCC Report 627, ISSN 0963-8091