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Increasing bat abundance in a major winter roost in central Poland over 30 years

Increasing bat abundance in a major winter roost in central Poland over 30 years A bat census in the years 1981–2010 (repeated twice during each hibernation period in January and March) showed upward trends in many populations of bats hibernating in the Szachownica Cave (central Poland). Total numbers of the bat assemblage, which consisted of 11 species, increased within the study period from 178 to 1477 individuals in the first decade to 835–2902 in the past decade of the study, with the highest rates of increase noted in Barbastella barbastellus , Plecotus auritus and Myotis nattereri . Myotis myotis and Myotis daubentonii showed only slight upward trends. In the years 2009–2010, Myotis bechsteinii occurred in markedly higher numbers (up to 24 individuals) as compared to previous years. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalia - International Journal of the Systematics, Biology and Ecology of Mammals de Gruyter

Increasing bat abundance in a major winter roost in central Poland over 30 years

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References (15)

Publisher
de Gruyter
Copyright
©2011 by Walter de Gruyter Berlin New York
Subject
ORIGINAL STUDIES
ISSN
0025-1461
eISSN
1864-1547
DOI
10.1515/MAMM.2011.003
Publisher site
See Article on Publisher Site

Abstract

A bat census in the years 1981–2010 (repeated twice during each hibernation period in January and March) showed upward trends in many populations of bats hibernating in the Szachownica Cave (central Poland). Total numbers of the bat assemblage, which consisted of 11 species, increased within the study period from 178 to 1477 individuals in the first decade to 835–2902 in the past decade of the study, with the highest rates of increase noted in Barbastella barbastellus , Plecotus auritus and Myotis nattereri . Myotis myotis and Myotis daubentonii showed only slight upward trends. In the years 2009–2010, Myotis bechsteinii occurred in markedly higher numbers (up to 24 individuals) as compared to previous years.

Journal

Mammalia - International Journal of the Systematics, Biology and Ecology of Mammalsde Gruyter

Published: May 1, 2011

Keywords: abundance; cave; central Europe; Chiroptera; hibernation; long-term changes; upward trend

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