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Bat Mitigation Strategies Research Project

CIEEM has worked with Professor Fiona Mathews and Dr Paul Lintott at the University of Exeter to undertake research into the effectiveness of common mitigation strategies used to protect bat populations impacted, or likely to be impacted, during development in the UK and Ireland.

We have now published the research report on bat mitigation effectiveness, which is entitled ‘Reviewing the evidence on mitigation strategies for bats in buildings: informing best-practice for policy makers and practitioners’. The study provides evidence for planners, developers and ecological practitioners on the efficacy of bat roost mitigation and compensation to help them ensure that mitigation approaches are evidence-based and beneficial for bats.

The next step for this project is to produce more substantial guidance on bat mitigation, which we hope to be able to publish in 2019.

Why this research?

Mitigation is commonly used in the UK and Ireland as part of the development process in order to manage adverse impacts on bats. Cumulatively it accounts for a significant proportion of development costs associated with protecting European Protected Species. However, there is little published research evidence on the outcomes of commonly used mitigation strategies to help guide the developer, planning authority or consultant ecologist and to ensure that the proposed solutions are likely to be effective and proportionate.

The outputs

The outcome of the research phase of the project will be an evidence report (download above) with recommendations. CIEEM will then use this as the basis for a new guidance document on effective bat mitigation strategies for the UK and Ireland.

Can you help with funding?

We are still seeking funding for this project. If you would like to make a donation and help make this research project a success please ring John Gordon on 01962 868626.

Alternatively, if your company or organisation is interested in being a sponsor we have a number of sponsorship packages available. Please email Sally Hayns at for further information.

Thank you to our current sponsors.