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This survey information shows use of the Deben Estuary in the count sectors where the onshore cable route is to pass beneath the estuary. The application for East Anglia ONE contained a commitment to a management plan to reduce disturbance to waterbirds to below significant levels. Discussions are continuing within EAOW as to the potential mechanisms for delivering mitigation within the applications for East Anglia THREE and East Anglia FOUR, if this is required.
3.3 Proposed Action / Agreement 45.
Agreement, based on the updated information supplied is sought on:
• The method by which the attribution of unidentified birds to specific species has been carried out, as described in Appendix 3;
• The method by which a correction is applied to the aerial survey data to account for razorbill and guillemot spending a proportion of their time when at sea foraging underwater, as summarised in Appendix 4;
• The method for apportioning migrating and breeding bird populations between biological periods when there is overlapping occurrence of breeding and migratory populations in the survey area, as described in Section 3.1.5;
• The use of site specific PCH information in collision risk modelling in preference to ‘generic’ PCH information where the sample size is large enough; and
• The results of the screening of species for input in to the MigroPath, as presented in Appendix 6.
46.
Further discussion, since it is an existing area of non-agreement, is sought on collision risk modelling options and parameters.