Swarming behaviour, catchment area and seasonal movement patterns of the Bechstein's bats: Implications for conservation

• Autorzy: Dekeukeleire D. , Janssen R. , Haarsma A.-J. , Bosch T. , Van Schaik J.
• Języki publikacji: EN

Abstrakty

EN

Bats display marked seasonality throughout the temperate zone and use different habitats during different parts of the year. Unfortunately, detailed information regarding seasonal distribution and movements is often lacking, thereby hampering the development of adequate conservation measures. In this study we used radio telemetry to track females of the endangered Bechstein's bat (Myotis bechsteinii) from autumn swarming sites to their summer maternity colony ranges. We were able to tag 22 individuals, 18 of which were subsequently recovered at nine roost sites up to 20.6 km away. Females from multiple colonies visited the same swarming site on a single night. Concurrently, we recovered females from a single maternity colony at different swarming sites on the same night. The catchment area of the investigated swarming sites measured 27.1 km2, and was skewed to the northwest. Tagged bats were recovered in forest fragments ranging in size from 5.42 to 128.98 ha. Notably, all but one of the recovered roosts were found in forests that have been continuously wooded since at least 1775. Surveys during the summer at these sites confirmed the presence of maternity colonies at six out of seven locations that could be investigated. Our study contributes to our understanding of swarming behavior and seasonal movement patterns, and exemplifies how these can be used to complete the year-round habitat use of bat species.

• Wydawca: -
• Czasopismo: Acta Chiropterologica
• Rocznik: 2016
• Tom: 18
• Numer: 2
• Opis fizyczny: p.349-358,fig.,ref.

Twórcy

autor

Dekeukeleire D.

• Terrestrial Ecology Unit, Department Biology Ghent University, K. L. Ledeganckstraat 35, B-9000 Gent, Belgium

autor

Janssen R.

• Bionet Natuuronderzoek, Valderstraat 39, 6171EL, Stein, The Netherlands

autor

Haarsma A.-J.

• Animal Ecology Ecophysiology group, Institute for Water and Wetland research, Radboud University Nijmegen, P.O. Box 9010, 6500GL Nijmegen, The Netherlands

autor

Bosch T.

• Ad Hoc Zoogdieronderzoek, Oude Velperweg 34, 6824HE, Arnhem, The Netherlands

autor

Van Schaik J.

• Department of Behavioural Ecology and Evolutionary Genetics, Max Planck Institute for Ornithology, Eberhard-Gwinner-Strasse, 82319 Seewiesen, Germany

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Identyfikatory

DOI

10.3161/15081109ACC2016.18.2.004