to create a disturbance free area for Brent Geese on farmland close to the Deben Estuary. The purpose would be to provide a measure to manage any significant disturbance effects that is an alternative to the additional measures described above. The relevant statutory bodies, including Natural England, would be consulted on the details of such a proposed agreement. As an indicative description; the disturbance free refuge area would operate from September to March inclusive and would be a minimum area of 30 ha (with the shortest dimension >200 m), no more than 1 km from the tidal embankment and cropped with winter wheat. By agreement with the landowner the refuge area will not be subject to those measures that farmers normally apply to scare Brent Geese from their crops
Avocet
45. The ECoW will monitor the distribution of feeding Avocet in the intertidal areas around the HDD crossing points. This will be to ensure that the measures described in this EcMP are implemented and are effective.
Marsh Harrier 46.
In addition to the general monitoring activities of the ECoW, during the year of construction a suitably experienced ornithologist would undertake surveys of Marsh Harrier fortnightly from mid March to the end of June to establish if breeding is taking place. If breeding does commence those surveys will continue (potentially at more frequent intervals) to the completion of that nesting attempt. The purpose of those surveys will be to identify if nesting is attempted, where nesting is taking place in relation to construction activities, what is the stage of the nesting attempt (nest building, eggs, chicks, post fledging) and the potential for disturbance impacts. These surveys would be in addition to any surveys carried out by the ECoW due to the specialist nature of the species involved. The ornithologist will need to hold a Schedule 1 licence if the nest is to be approached.
47.
If an active nest is identified in the vicinity of the works and the ornithologist advises that there is the potential for disturbance to that nest then works in the area would halt temporarily while the ornithologist, ECoW and other relevant EAOW staff develop, in consultation with Natural England, and implement the following mitigation measure.
48. Mitigation would constitute an exclusion area for specified activities around the nest of between 100m and 400m radius, with that radius dependent on the stage of nesting activity that the Marsh Harrier has reached (nest building, eggs or chicks). The mitigation will apply the following criteria:
EcMP: Deben Estuary SPA & Schedule 1 Birds
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