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JNCC Report 744: Evidence review in support of management advice on supporting services for mobile species MPAs 2023


This review has been prepared for JNCC. In its role as statutory advisor, JNCC is responsible for providing management advice against the conservation objectives for offshore marine protected areas (MPAs) including those for harbour porpoise Phocoena phocoena and Manx shearwater Puffinus puffinus.

A key conservation objective of these sites is to maintain the supporting habitats and processes relevant to the designated features and their prey, to ensure the sites contribute to favourable conservation status. To provide advice on this conservation objective there is a need to understand how activities that occur within these sites may impact supporting services through impacts to the seabed. Impacts on the seabed have the potential to affect the function of a habitat and prey availability and subsequently affect the designated species.

This review has sought to collate the available literature on the effects of eight pressures, exerted by a number of activities, on the seabed and which may have subsequent impacts on harbour porpoise and Manx shearwater prey, with consequent indirect impacts on these marine predator species. A key objective of the review is to provide a baseline of evidence on how seabed pressures influence harbour porpoise and Manx shearwater prey availability, from which evidence gaps can be identified and management advice developed.

This report may not be fully accessible for all users. If you need a copy in a different or more accessible format, please get in touch.

Resource type Publication

Topic category Environment

Reference date 2023·09·01

O’Brien, N. & Rippon, C. 2023. Evidence review in support of management advice on supporting services for mobile species MPAs. JNCC Report 744, JNCC, Peterborough, ISSN 0963-8091.

This report was prepared and written by APEM Ltd under contract by JNCC.

Responsible organisation
Communications, JNCC publisher

Limitations on public access No limitations

Use constraints Available under the Open Government Licence 3.0

Metadata date 2023·10·06

Metadata point of contact
Communications, JNCC

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