Strangford Lough and the SeaGen Tidal Turbine

Book Chapter

Title: Strangford Lough and the SeaGen Tidal Turbine
Publication Date:
February 13, 2014
Book Title: Marine Renewable Energy Technology and Environmental Interactions
Chapter: 12
Pages: 153-172
Publisher: Springer Netherlands
Technology Type:

Document Access

Website: External Link


Savidge, G.; Ainsworth, D.; Bearhop, S.; Christen, N.; Elsaesser, B.; Fortune, F.; Inger, R.; Kennedy, R.; McRobert, A.; Plummer, K.; Pritchard, D.; Sparling, C.; Whittaker, T. (2014). Strangford Lough and the SeaGen Tidal Turbine. Marine Renewable Energy Technology and Environmental Interactions (pp. 153-172). Springer Netherlands.

The background to and outcomes of the Environmental Monitoring Programme (EMP) required by statutory regulators for the deployment of the SeaGen tidal turbine in Strangford Lough, Northern Ireland, an area with many conservation designations, are described. The EMP, which was set within the context of an adaptive management approach, considered possible effects of the device on local populations of seals and harbour porpoises, representative seabirds and benthic communities. The studies on seals were carried out on both local and regional scales. The ecological studies were complemented by detailed field and hydrodynamic modelling investigations together with a programme of mitigation measures designed to reduce collisions between seals and turbine rotors. In general only minor statistically significant changes in abundance, distribution and animal behaviour patterns were recorded, principally associated with small distributional shifts close to the turbine structure and with the likelihood that these changes were ecologically of little significance. The seal–rotor collision mitigation studies provided a base for the establishment of acceptable collision risk strategies. The EMP highlighted observational, methodological and statistical challenges in assessing the environmental consequences of marine energy devices. A brief review of related studies in Strangford Lough is included.


This is a chapter from Humanity and the Sea: Marine Renewable Energy Technology and Environmental Interactions.

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