Developing a Habitat Loss Method for Assessing Displacement Impacts from Offshore Wind Farms

Report

Title: Developing a Habitat Loss Method for Assessing Displacement Impacts from Offshore Wind Farms
Publication Date:
March 01, 2015
Document Number: JNCC Report No: 551
Pages: 57
Publisher: Joint Nature Conservation Committee (JNCC)
Receptor:
Interactions:

Document Access

Website: External Link
Attachment: Access File
(6 MB)

Citation

Busch, M.; Buisson, R.; Barrett, Z.; Davies, S.; Rehfisch, M. (2015). Developing a Habitat Loss Method for Assessing Displacement Impacts from Offshore Wind Farms. Report by Joint Nature Conservation Committee (JNCC). pp 57.
Abstract: 

The impacts of offshore wind farms (OWFs) on seabirds are typically divided into three forms: collision mortality, barrier impacts and displacement impacts. This report investigates the validity of assumptions underlying a recently suggested approach, defined as the ′Displacement as Habitat Loss′ approach. This approach interprets displacement impacts as a time restricted, quasi-permanent habitat loss rather than a year-on-year effect across the entire operational lifetime of an OWF. It proposes that after displacement impacts have been exerted on a population, a new, stable population equilibrium is reached at some level below the initial starting population. By examining the assumptions underlying this approach and outlining ways of translating it into a staged assessment framework, this report provides an analysis of the pros and cons of the ′Displacement as Habitat Loss′ approach.

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