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Technical Documentation for the UK Biodiversity Indicator on the Extent of Natural Ecosystems: 2025 version 2025

Abstract

This report (JNCC Report 809) sets out the supporting documentation for the 2025 UK Biodiversity Indicator 'Extent of natural ecosystems'.

It specifically provides details on each of the component ecosystem types used in the indicator. This includes correspondences to UK habitat/vegetation types, information sources or specific methods used to determine the extent figures, and various caveats and limitations, such as where the extent figure is based on a minimum value/is only partially accounted for. For some of the types, an explanation is given to clarify why a particular type has not been included in the extent figures for the indicator. The section on marine ecosystems includes information on the overall scope of marine ecosystems and overlapping marine ecosystem types.

Further information is provided on the Indicator webpage. An accompanying datafile is also available as a separate resource.

This resource 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 2025·12·02

Citation
Mountford, E., Baulch, V. & Hill, E. 2025. Technical Documentation for the UK Biodiversity Indicator on the Extent of Natural Ecosystems: 2025 version. JNCC Report 809, JNCC, Peterborough, ISSN 0963 8091.

Lineage
This report was produced by JNCC to accompany the UK Biodiversity Indicator 'Extent of Natural Ecosystems'.

Responsible organisation
Communications, JNCC publisher

Limitations on public access No limitations

Use constraints Available under the Open Government Licence 3.0

Metadata date 2025·12·02

Metadata point of contact
Communications, JNCC

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