Avocet
30. No targeted habitat management is proposed for Avocet at the pre-construction phase as there is no reason or requirement to carry out any such works in advance of construction.
Marsh Harrier
31. The requirement for targeted habitat management measures to avoid disturbance of Marsh Harrier will take account of the baseline information described above and the results pre-construction survey data. If this identifies regular nesting along the line of the onshore cable route (that is, within the DCO Order Limits) then a targeted habitat management measure will be employed. This will be to make all suitable nesting vegetation within the 75 m onshore cable route (except for areas where the there are not construction works on the surface because HDD is being used) unsuitable for nesting Marsh Harrier by strimming the vegetation to ground level outside of the bird nesting period (that nesting period is March to August inclusive). Any regrowth during the following spring and summer, and before construction starts, will be kept to below the height that it will be attractive to nesting birds by regular strimming.
32. If that nesting location and section of cable route is within 200 m of a known concentration of feeding Brent Geese then that vegetation clearance will be limited to being carried out in the months of September to November inclusive. This is in order to avoid disturbance to Brent Geese in a period later in the winter when they are more dependent on feeding on agricultural land.
Cetti’s Warbler
33. The requirement for targeted habitat management measures to avoid disturbance of Cetti’s Warbler will take account of the baseline information described above and the results of pre-construction survey data. If this identifies regular nesting along the line of the onshore cable route (that is, within the DCO Order Limits) then a targeted habitat management measure will be employed. This will be to make all suitable nesting vegetation beyond 10 m of where surface ground works are to take place (subject to that still being within the DCO ‘red line’ boundary) unsuitable for nesting Cetti’s Warbler by strimming the vegetation to ground level outside of the bird nesting period (that nesting period is March to August inclusive). Any regrowth during the following spring and summer, and before construction starts, will be kept to below the height that it will be attractive to nesting birds by regular strimming.
34. Under present information (noting that pre-construction surveys will be carried out) this measure will not be required as all Cetti’s Warbler nesting locations are avoided by the use of HDD.
EcMP: Deben Estuary SPA & Schedule 1 Birds
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