Results of bat census in the city of Brno
| Autoři | |
|---|---|
| Rok publikování | 2010 |
| Druh | Kapitola v knize |
| Fakulta / Pracoviště MU | |
| Citace | |
| Popis | On the territory of former Czechoslovakia, records of bat species, or groups of species, in towns and cities were dealt with in several papers (e.g. Hanák et al. 1962, Palášthy & Gaisler 1965, Hůrka 1966, Gaisler & Hanák 1969). However, Brno was the first Czechoslovak city where a systematic census of bats was made (Gaisler 1978, 1979, Gaisler & Bauerová 1986b). This census resulted from classical methods such as searching bats in their shelters, netting and visual observing of flying bats and occasional records by the public. Particular attention was given to a mass hibernaculum of Pipistrellus pipistrellus which, in the years 1978-1985, was visited 114 times (Gaisler & Bauerová 1986a). Most data concerning P. pipistrellus, however, came from invasions, this term denoting sudden occurrence of groups of pipistrelles, consisting of varying numbers of individuals, in rooms inhabited by humans. Late summer invasions of pipistrelles in Brno in the years 1959-1988 were described and discussed mainly in Gaisler et al. (1990). Independently of the above sampling, acoustic recordings of bats by bat detectors were made in 1993 in seven different urban habitats (Gaisler et al. 1998). The next data set concerns bats hibernating in two underground galleries within the territory of Brno (Gaisler 2000). The last published records are that of Hypsugo savii, a species previously unknown in Brno (Gaisler & Vlašín 2003, Bartonička & Kaňuch 2006). In this paper, published information will be supplemented by new, so far unpublished data. |
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