Bat work manual 26 (3791)


Conserving and creating bat roosts



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11
Conserving and creating bat roosts
111
A J Mitchell-Jones
11.1
Conservation measures in underground sites Threats Grilles Creative conservation and site management Bats and trees Hollow trees The value of trees Recognition of roost sites Management of trees Liaison with authorities Bat boxes Bats in bridges Roosting requirements for bats in bridges Maintaining and creating roosts in bridges
129
Appendices
135 Glossary of architectural terms Glossary of caving and mining terms Special forms
145
The Bat Roost Visitor Report Form
145
Biological Records Centre Single species card The National Bat Monitoring Programme
149 A selected bibliography Useful names and addresses Bat workers training syllabus Model risk assessments relevant to bat survey work Submission form for rabies testing
178
BAT WORKERS MANUAL
07

It is now 15 years since the first edition of the Bat
Workers’ Manual was produced and almost 5 years since the second edition appeared. During the last 15 years the bat conservation movement has gone from strength to strength, with a continuing expansion of local bat groups and the development of the Bat Conservation Trust to provide a national focus. At the same time, there have been fundamental changes in the organisation of the statutory conservation bodies, with the split of the
Nature Conservancy Council into three separate country agencies and the Joint Nature Conservation
Committee, followed by internal reorganisations in each agency. Despite these changes, close working relationships between government and non-government organisations have persisted and,
happily, the movement can be characterised as cooperative rather than confrontational.
A major change in the second edition was the development of a chapter on safety in bat work,
which drew together and expanded information from the first edition. Although bat-workers have a good safety record, recent litigation has shown clearly that organisations have a responsibility to ensure that people working under their direction,
whether paid or not, are able to work in safety. This is a responsibility we must all share and so safety has now been incorporated explicitly into the training syllabus.
The third edition has been produced only 5 years after the second edition because the tragic death of a batworker in Scotland from European Bat
Lyssavirus (EBLV) infection at the end of 2002 signalled a fundamental change in the way organisations and individuals approach bat work.
This death, together with two records of EBLV in
Daubenton’s bats in England, means that it must now be assumed that the virus is present in bats in the UK and that bat-handling practices, and health and safety advice must change. This third edition of the manual incorporates those changes and updates some other information and advice.
In other respects very little has changed. A great deal of the original material in the first edition remains as relevant now as it did 15 years ago. The internal reorganisation carried out in the second edition, with the addition of new material to reflect new concerns and the development of new areas of interest, has been retained in the third edition. The excellent drawings by Tom McOwat


Health and safety in bat work
Catching bats
Ringing and marking
Public relations
Forewordbat
Bat workers manual 09acknowledgements
Bats and the law
Law enforcement – gathering evidence
Convention on the conservation of
Public inquiry confirms importance of lesser horseshoe bat roost
Taking bats into captivity
Advice to the public who find grounded bats
Advice on bats and rabies
Dust and insulation
Wasp, bee and hornet nests
Survey and monitoring
Day surveys of potential roost structures
Case study – bats in barns survey
Case study – the bats in churches project
Identification
Bats and echolocation
Bat detectors
Basic equipment required:
Sonogram analysis
Extraction from hand-nets
Figure 4.1hand-nets. polythene around the lip prevents bats climbing out.figure 4.3
Single-pole flicking
Chapter 4 c atching bats44two-pole flicking
Chapter 4 c atching bats463
Testicular descent
Chapter 5 examining bats50figure 5.1
Parturition and lactation
Fur colour and texture
Wing span, and head and body length
Mites, including ticks (acari)
Bat-bugs (hemiptera, cimicidae)
Fleas (siphonaptera, ischnopsyllidae)
Bat-flies (diptera, nycteribiidae)
Rabies surveillance
Chapter 5 examining bats56sending dead bats by post
References and further reading
Handling, releasing and keeping bats
Moral considerations
Adultstemporary debility or injury likely to heal
Permanent captives
Bat conservation trust - guidelines on bats in captivity
Insects and substitutes
Vitamins and minerals
Weaning and rearing orphaned bats
The role of a bat group
The bat conservation trust
Bats on the internet
Bats in the living area
General fear of bats
Damage to buildings
Transmission of disease
Interior design fora huge roost of (smelly) bats
Legal position (simplified)
Outside the breeding season
Insects in droppings
Speciesnumber of roosts
Summary – exclusion of bats
Summary – visit to householders who have discovered bats
Security alarm systems in buildings
Timber treatment, pest control
During breeding season
If bats are torpid
Fungicidescommon name
If bats are active
Outside breeding season
Fusible link shutters
Case study - window and lintel replacement
Case study - roof refurbishment
Case study – timber treatment and roof renovation
Excessive disturbance
Destruction, maintenance or change of use
Chapter 11 conserving and creating bat roosts112figure 11.1
Grade b sites without protection.
Grade 4 (many sites)
Grade 1 (fewer than 10 sites)
Railway tunnel enhancement
Cave construction
Manipulation of airflow and temperature
Reopening of blocked sites
Provision of additional roosting points
Chapter 11 conserving and creating bat roosts122figure 11.5
Figure 11.5 (continued)
Converting a pillbox for bats
Bat conservation code
Wildlife and countryside act 1981 &
Tree preservation orders
Maintaining roosts
Creating roosts
Case histories of bridge maintenance works
Examples of roost creation within bridges
Appendix 1140figure a1.1
Appendix 1142figure a1.1
Appendix 3 9
Grid reference.
Biological records centre single species card
Monitoring methods
Hibernation counts
Bat speciessc
Appendix 4150participation and experience required
A selected bibliography
A european bats – identification,
C children’s books
Appendix 5154d journals, magazines and newsletters
Bat research news
Useful names and addresses
The environment and heritage service
Department for environment, food and rural
Non governmental organisations
National association of mining history
The national trust
Subterranea britannica
Equipment suppliers
Pettersson elektronik ab
Bernies cafe and caving supplies
Watkins and doncaster
Holohil systems ltd
Titley electronics
Jacobi jayne & co
Mealwormslive foods direct ltd
Bat workers training syllabus
Circumstances requiring consultation
Licensinglicensable activities
Appendix 7164other licences
Bat biology and ecology
Basic ecology
Bat conservation
Persecution and intolerance
Presenting bats to the public
Safety underground
Appendix 7168training checklist
Model risk assessment for entry into disused mines (cont)
Model risk assessment for initial entry into derelict and dilapidated buildings and structures
Model risk assessment for initial entry into derelict and dilapidated buildings and structures (cont)
Model risk assessment for entry into confined spaces
Model risk assessment for entry into confined spaces (cont)
Health and safety at work etc act 1974
Health and safety legislation
The carriage of dangerous goods
References legislation
Appendix 9178for laboratory use only



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