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Updated Effective Deterrent Ranges (EDRs) for assessing the significance of noise disturbance against Conservation Objectives of harbour porpoise Special Areas of Conservation (England, Wales & Northern Ireland) 2025

Abstract

JNCC Report 803, 'Updated Effective Deterrent Ranges (EDRs) for assessing the significance of noise disturbance against Conservation Objectives of harbour porpoise Special Areas of Conservation (England, Wales & Northern Ireland)' was produced by JNCC, Natural England and Northern Ireland's Department of Agriculture, Environment and Rural Affairs (DAERA), and published in 2025.

The recommendations in the report are based on an evidence review conducted in 2025 and published in two commissioned reports: Brown et al. (2025; JNCC Report 799) and Majewska et al. (2025; JNCC Report 798).

This report has been published alongside a series of associated JNCC resources, including the evidence review reports. Please go to: Guidance on noise management in harbour porpoise SACs (2020); and New updated Effective Deterrent Ranges (2025) to access the resources and find out more.

Resource type Publication

Topic category Environment

Reference date 2025·09·01

Citation
JNCC. 2025. Updated Effective Deterrent Ranges (EDRs) for assessing the significance of noise disturbance against Conservation Objectives of harbour porpoise Special Areas of Conservation (SACs) (England, Wales & Northern Ireland). JNCC Report 803. JNCC, Peterborough, ISSN 0963-8091.

Lineage
This report was produced by JNCC for Defra with funding from Defra’s Offshore Wind Enabling Actions Programme (OWEAP).

Responsible organisation
Communications, JNCC publisher

Limitations on public access No limitations

Use constraints Available under the Open Government Licence 3.0

Metadata date 2025·09·11

Metadata point of contact
Communications, JNCC

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