Framework for assessing impacts of pile-driving noise from offshore wind farm construction on a harbour seal population

Paul M. Thompson*, Gordon D. Hastie, Jeremy Nedwell, Richard Barham, Kate L. Brookes, Line S. Cordes, Helen Bailey, Nancy McLean

*Corresponding author for this work

Research output: Contribution to journalArticle

38 Citations (Scopus)
4 Downloads (Pure)

Abstract

Offshore wind farm developments may impact protected marine mammal populations, requiring appropriate assessment under the EU Habitats Directive. We describe a framework developed to assess population level impacts of disturbance from piling noise on a protected harbour seal population in the vicinity of proposed wind farm developments in NE Scotland. Spatial patterns of seal distribution and received noise levels are integrated with available data on the potential impacts of noise to predict how many individuals are displaced or experience auditory injury. Expert judgement is used to link these impacts to changes in vital rates and applied to population models that compare population changes under baseline and construction scenarios over a 25. year period. We use published data and hypothetical piling scenarios to illustrate how the assessment framework has been used to support environmental assessments, explore the sensitivity of the framework to key assumptions, and discuss its potential application to other populations of marine mammals.

Original languageEnglish
Pages (from-to)73-85
Number of pages13
JournalEnvironmental impact assessment review
Volume43
Early online date29 Jun 2013
DOIs
Publication statusPublished - Nov 2013

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pile driving
wind farm
marine mammal
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environmental assessment
disturbance
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habitat
demographic situation
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experience
noise level
distribution
rate
directive

Keywords

  • Appropriate assessment
  • Disturbance
  • EU habitats directive
  • Marine mammal
  • Offshore wind farm
  • Population consequences

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Ecology
  • Management, Monitoring, Policy and Law

Cite this

Framework for assessing impacts of pile-driving noise from offshore wind farm construction on a harbour seal population. / Thompson, Paul M.; Hastie, Gordon D.; Nedwell, Jeremy; Barham, Richard; Brookes, Kate L.; Cordes, Line S.; Bailey, Helen; McLean, Nancy.

In: Environmental impact assessment review, Vol. 43, 11.2013, p. 73-85.

Research output: Contribution to journalArticle

Thompson, Paul M. ; Hastie, Gordon D. ; Nedwell, Jeremy ; Barham, Richard ; Brookes, Kate L. ; Cordes, Line S. ; Bailey, Helen ; McLean, Nancy. / Framework for assessing impacts of pile-driving noise from offshore wind farm construction on a harbour seal population. In: Environmental impact assessment review. 2013 ; Vol. 43. pp. 73-85.
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