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Scoping Study - Regional Population Viability Analysis for Key Bird Species 

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Date
2020
Author
Searle, K.
Butler, A.
Bogdanova, M.
Daunt, F.
Is part of
Scottish Marine and Freshwater Science
Size or duration
118pp
Metadata
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Abstract
The Scottish Government has set a target of 100% of Scottish demand for electricity to be met by renewable sources by 2020. Offshore renewables have the potential to make a significant contribution to achieving this target. However, the Scottish Government has a duty to ensure that offshore renewable developments (ORDs) are achieved in a sustainable manner, by protecting habitats and species from adverse impacts. ORDs may negatively affect seabirds, in particular due to collisions with turbine blades, displacement to less favourable habitats and barrier effects to movement. Population Viability Analysis (PVA) is a common approach in Environmental Impact Assessments to forecast potential impacts of marine renewables on protected populations such as seabird species. There are several methods of PVA available to use that vary in their complexity, data requirements and biological reality. This project provides a comparative investigation of these methods for seabirds, describing model performance, providing a set of recommendations for practitioners and highlighting research gaps. The project recommends the use of the Leslie-matrix model as the most broadly applicable and biologically realistic method with the additional recommendation of adjusting demographic rates relative to abundance data, in those populations where adequate abundance data are available, to reduce uncertainty in forecasting. The report recommendations provides a roadmap for improving how PVA is used in environmental assessment providing practical approaches for practitioners of PVA. Specifically, these recommendations help work towards improved common approaches to predicting impacts and reducing uncertainty in assessments. This research is part of the Scottish Marine Energy Research Programme (ScotMER).
DOI
https://doi.org/10.7489/12327-1
Link
https://hdl.handle.net/20.500.12594/11293
Citation
Searle, K., Butler, A., Bogdanova, M. & Daunt, F. (2020). Scoping Study - Regional Population Viability Analysis for Key Bird Species. Scottish Marine and Freshwater Science, 11(10), 118pp. doi:10.7489/12327-1
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©Research Scotland Consortium
c/o RBGE 20a Inverleith Row
EH3 5LR
Edinburgh, Scotland, UK

Tel: 0131 248 2850
Email: info@ResearchScotland.ac.uk
Items in Research Scotland are protected by copyright with all rights reserved unless otherwise indicated.
  • Privacy & Cookies
  • Takedown Policy
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Privacy & Cookies
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