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Author (up) Hoffmann, J.; Palme, R.; Eccard, J.A. url  doi
  Title Long-term dim light during nighttime changes activity patterns and space use in experimental small mammal populations Type Journal Article
  Year 2018 Publication Environmental Pollution Abbreviated Journal Environ Pollut  
  Volume 238 Issue Pages 844-851  
  Keywords Animals  
  Abstract Artificial light at night (ALAN) is spreading worldwide and thereby is increasingly interfering with natural dark-light cycles. Meanwhile, effects of very low intensities of light pollution on animals have rarely been investigated. We explored the effects of low intensity ALAN over seven months in eight experimental bank vole (Myodes glareolus) populations in large grassland enclosures over winter and early breeding season, using LED garden lamps. Initial populations consisted of eight individuals (32 animals per hectare) in enclosures with or without ALAN. We found that bank voles under ALAN experienced changes in daily activity patterns and space use behavior, measured by automated radiotelemetry. There were no differences in survival and body mass, measured with live trapping, and none in levels of fecal glucocorticoid metabolites. Voles in the ALAN treatment showed higher activity at night during half moon, and had larger day ranges during new moon. Thus, even low levels of light pollution as experienced in remote areas or by sky glow can lead to changes in animal behavior and could have consequences for species interactions.  
  Address Animal Ecology, University of Potsdam, Maulbeerallee 1, 14469, Potsdam, Germany  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0269-7491 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:29627754 Approved no  
  Call Number GFZ @ kyba @ Serial 1848  
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