Following an extensive review and update the Bat Conservation Trust has produced Bat Surveys for Professional Ecologists: Good Practice Guidelines 4th edition. In line with the latest evidence and best practice, the fourth edition features new content on biosecurity, night-vision aids, tree surveys and auto-identification for bat sound analysis.
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Please note that an addendum has been issued by the Bat Conservation Trust. You can download the page by clicking here.
Foreword 2
Acknowledgements 2
1. Background 8
2. Considerations for bat surveys 16
3. Ecological considerations for bat surveys 28
4. Preliminary ecological appraisal (PEA) for bats 41
5. Bat roost inspection surveys – buildings, built structures and underground sites 47
6. Surveying trees and woodland for bat roosts 56
7. Emergence surveys – structures and trees 68
8. Bat activity surveys 74
9. Advanced licence bat survey techniques (ALBST) 83
10. Data analysis and interpretation 93
11. Writing bat reports 105
References 108
Appendix 1. Equipment table 117
Appendix 2. Background information on bat detectors 119
Appendix 3. Hazards and risks 120
Appendix 4. Protocol for bat dropping collection for DNA analysis 122
Appendix 5. Background information on mist nets, harp traps and acoustic lures 122
Appendix 6. Background information on radio transmitters and receivers/antennae 123
Index 125