3.3.5 Other activities 41.


There is the potential for cumulative impacts from other activities occurring in the region, these include aggregate dredging, shipping and oil and gas exploration and development. Whilst it is not considered likely that there will be significant cumulative impacts, all potential impacts (from those listed for East Anglia THREE and East Anglia FOUR projects in isolation) will be assessed as part of the EIA.


3.3.6 Transboundary impacts 42.


Given the level of development in the southern North Sea in other EU Member States waters there is potential for transboundary impacts especially with regard to noise and given that populations of fish may be highly mobile.


43.


The noise modelling for East Anglia ONE indicated that given the distance between site and other developments there would be no spatial overlap in terms of the likely underwater noise impact zones (EAOW, 2012b). However, as discussed above, there is still potential for cumulative displacement or migration barrier impacts from noise. Given the international nature of fisheries, there is potential for indirect transboundary impacts if commercial fish species are impacted. Potential transboundary impacts will be assessed as with the other cumulative impacts and EAOW, where possible, will liaise with developers in other Member States to get up to date project information to feed into the assessment.


Evidence plan Fish and Shellfish Method Statement


East Anglia THREE and East Anglia FOUR Offshore Windfarms


September 2013 Page 35


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