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Effect of barn conversion on bat roost sites in Hertfordshire, England
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Patty Briggs
Published/Copyright:
July 13, 2007
Many timber framed barns are used by bats that roost in mortice joints within the timber structures. Most of these barns are now redundant and are being converted into dwellings. Attempts have been made over the last ten years to give advice on how to accommodate bats in these conversions. This paper examines what has happened at 40 farms where bats have been previously recorded. I have considered the original 40 farms as 63 units because many of the sites have been sub-divided into a number of individual dwellings by the contractors. Of the 51 units that were resurveyed, 36 units had been developed. Only eight of these 36 units were being used by bats (Myotis nattereri, Plecotus auritus, Pipistrellus spp. and Eptesicus serotinus); fifteen units had no evidence of use by bats but there was access for bats to return in the future; and thirteen units had no bat use with no potential for bats to return. Fifteen of the 51 resurveyed units had not been developed; all were still being used by bats. The influence of barn conversions on each bat species is discussed. Recommended improvements and an explanation of DEFRA licensing are provided.
Published Online: 2007-07-13
Published in Print: 2004-12-01
Copyright 2004, Walter de Gruyter
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- Le Havre 2002: the IXth European Bat Research Symposium
- Morphometrics and ecology of Myotis cf. punicus (Chiroptera, Vespertilionidae) in Corsica
- Ecomorphometry of Myotis daubentonii and M. lucifugus (Chiroptera, Vespertilionidae) – a Palearctic-Nearctic comparison
- Postnatal growth in Myotis blythii (Chiroptera, Vespertilionidae)
- Body mass changes in male Daubenton's bats Myotis daubentonii (Chiroptera, Vespertilionidae) during the seasonal activity period
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- Summer distribution of the Pond bat Myotis dasycneme (Chiroptera, Vespertilionidae) in the west of Flanders (Belgium) with regard to water quality
- Radiotracking of Myotis myotis (Chiroptera, Vespertilionidae) in South Tyrol and implications for its conservation
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- Control region variability of the mitochondrial DNA of Pipistrellus nathusii (Chiroptera, Vespertilionidae): First results of a population genetic study
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- Aerial deposition of cadmium before and after the closure of an oil-fired power station in the vicinity of two nursery roosts of Rhinolophus ferrumequinum (Chiroptera, Rhinolophidae)
- Bat activity in coniferous forest areas and the impact of air pollution
