An analysis of potential broad-scale impacts on harbour porpoise from proposed pile driving activities in the North Sea
Open Access
Report
2015
Report of an expert group convened under the Habitats and Wild Birds Directives – Marine Evidence Group
Tougaard, J., Buckland, S., Robinson, S. and Southall, B.
An expert group was commissioned by the Habitats and Wild Birds Directives – Marine Evidence Group (co-ordinated by Defra) to provide an objective, scientific assessment of the potential impacts of planned large-scale offshore wind energy development on marine mammals in the North Sea focused around the following two questions: i. what would be the size of an anthropogenically-caused gap (or gaps) in distribution of harbour porpoises that would cause a population effect? ii. using existing information on the effects of (unmitigated) pile-driving, are there any thresholds (expressed in spatial distribution of pile-driving or other relevant noise generating projects) above which population-scale risks become significant?
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