research data . Dataset . 2020

Data from: Age of enlightenment: long-term effects of outdoor aesthetic lights on bats in churches

Rydell, Jens; Eklöf, Johan; Sanchez Navarro, Sonia;
Open Access
  • Published: 03 Jul 2020
  • Publisher: Dryad
We surveyed 110 country churches in south-western Sweden for presence of brown long-eared bats Plecotus auritus in summer 2016 by visual inspection and/or evening emergence counts. Each church was also classified according to the presence and amount of aesthetic directional lights (flood-lights) aimed on its walls and tower from the outside. Sixty-one of the churches had previously been surveyed by one of us (J.R.) between 1980 and 1990, before lights were installed on Swedish churches, using the same methods. Churches with bat colonies had decreased significantly in frequency from 61% in 1980s to 38% by 2016. All abandoned churches had been fitted with flood-li...
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free text keywords: light pollution, biodiversity, historic buildings, global change, cultural heritage, energy, Life sciences, medicine and health care, Medicine, Life sciences, medicine and health care
Social Science and Humanities
Fisheries and Aquaculture Management
Digital Humanities and Cultural Heritage
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