36. Displacement effects on gannets, guillemots and razorbills would not create impacts of more thanminor adverse significance during any biological season during operation. The risk to birds from collisions with wind turbines from the proposed project alone is assessed as no greater than minor adverse significance for all species when considered for all biological seasons against the most appropriate population scale during operation. No species is subject to an impact of greater thanminor adverse significance from the potential effects of the proposed project during the 25 year operational lifetime.


37. 38.


Potential plans and projects have been considered for how they might act cumulatively with the proposed project and a screening process carried out.


The cumulative collision risk impact mortality figures and displacement mortality figures for many projects that are currently in the examination process are being debated. There is therefore a possibility that any consent decisions for these projects would be ultimately based on revised figures. As a result a firm conclusion on the prediction of the magnitude and significance of cumulative impacts cannot be made at this stage and this will be discussed further prior to the submission of the DCO application.


39. Due to the highly mobile nature of bird species considered there are potential transboundary impacts for each receptor. These are discussed within the assessment chapter.


30.2.8 Chapter 14 Commercial Fisheries 40.


The commercial fisheries activities of relevance include Dutch beam trawling in the East Anglia THREE site, with UK static gear fisheries more dominant in the inshore areas covered by the offshore cable corridor.


41. 42.


The impact assessment required consideration of the benthic ecology and shipping and navigation assessments.


For the East Anglia THREE site there are no significant impacts predicted as closure of the site will be localised to areas of active construction and the site will be open to fisheries during operation. UK vessels operating static gear are the only receptors which may sustain significant impacts and then only during the construction phase, in relation to installation of the offshore export cable. If necessary appropriate mitigation would be decided through the Commercial Fisheries Working Group. With mitigation, the residual impact of export cable installation is reduced tominor adverse. Other impacts are assessed to be at worst, minor adverse.


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 30 Summary and Conclusion Page 10


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