Seabirds and offshore wind farms in European waters: Avoidance and attraction

Published Date
October 2016, Vol.202:59–68, doi:10.1016/j.biocon.2016.08.016
Review

Author 

• Volker Dierschke ^a,,
• Robert W. Furness ^b,
• Stefan Garthe ^c,

• aGavia EcoResearch, Tönnhäuser Dorfstr. 20, 21423 Winsen (Luhe), Germany
• bMacArthur Green, 95 South Woodside Road, Glasgow G20 6NT, UK
• cResearch and Technology Centre (FTZ), University of Kiel, Hafentörn 1, 25761 Büsum, Germany

Received 14 April 2016. Revised 9 August 2016. Accepted 16 August 2016. Available online 29 August 2016. 

Highlights

• •
  Construction of offshore wind farms influence habitat conditions for marine birds.
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  Divers and gannets face habitat loss owing to displacement from wind farm footprints.
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  Cormorants can extend foraging range owing to the usage of turbines and other wind farm structures as dry roosting sites.
• •
  Food availabilty (reef effect) and service ships also influence the spatial distribution of marine birds.

Abstract

The extent to which seabirds are displaced from, or attracted to, offshore wind farms (OWFs) is uncertain, but rapid development of OWFs in European waters could conflict with seabird conservation. We review post-construction studies of seabirds at 20 OWFs in European waters to extract and classify evidence for displacement or attraction of 33 different seabird species. Divers and northern gannets showed consistent and strong avoidance behaviour/displacement, and this may also be the case for great crested grebe and northern fulmar. Long-tailed duck, common scoter, Manx shearwater, razorbill, common guillemot, little gull and sandwich tern showed less consistent displacement from OWFs. Several gull species and red-breasted merganser showed weak attraction, while great cormorant and European shag showed strong attraction to OWFs. Other species show little response. Displacement seems mainly to be due to bird responses to OWF structures and appears stronger when turbines are rotating, but could in part be due to boat traffic to and from OWFs. Attraction of cormorants relates at least in part to their use of structures for roosting and for drying plumage, but increases in food availability at OWFs appears to be an important influence for several species.

Keywords

Seabirds

Offshore wind farms

Displacement

Attraction

Marine habitat use

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  Corresponding author.
  
  

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