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Author (up) Berge, J.; Geoffroy, M.; Daase, M.; Cottier, F.; Priou, P.; Cohen, J.H.; Johnsen, G.; McKee, D.; Kostakis, I.; Renaud, P.E.; Vogedes, D.; Anderson, P.; Last, K.S.; Gauthier, S.
Title Artificial light during the polar night disrupts Arctic fish and zooplankton behaviour down to 200 m depth Type Journal Article
Year 2020 Publication Communications Biology Abbreviated Journal Commun Biol
Volume 3 Issue 1 Pages article 102
Keywords Animals
Abstract For organisms that remain active in one of the last undisturbed and pristine dark environments on the planet—the Arctic Polar Night—the moon, stars and aurora borealis may provide important cues to guide distribution and behaviours, including predator-prey interactions. With a changing climate and increased human activities in the Arctic, such natural light sources will in many places be masked by the much stronger illumination from artificial light. Here we show that normal working-light from a ship may disrupt fish and zooplankton behaviour down to at least 200 m depth across an area of >0.125 km2 around the ship. Both the quantitative and qualitative nature of the disturbance differed between the examined regions. We conclude that biological surveys in the dark from illuminated ships may introduce biases on biological sampling, bioacoustic surveys, and possibly stock assessments of commercial and non-commercial species.
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2399-3642 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 2837
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Author (up) Bergen; F.; Abs, M.
Title Etho-ecological study of the singing activity of the blue tit (parus caeruleus), great tit (parus major) and chaffinch (fringilla coelebs). Type Journal Article
Year 1997 Publication J Ornithol Abbreviated Journal
Volume 138 Issue Pages 451-467
Keywords Animals
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Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 410
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Author (up) Berger, A.; Lozano, B.; Barthel, L.M.F.; Schubert, N.
Title Moving in the Dark-Evidence for an Influence of Artificial Light at Night on the Movement Behaviour of European Hedgehogs (Erinaceus europaeus) Type Journal Article
Year 2020 Publication Animals : an Open Access Journal From MDPI Abbreviated Journal Animals (Basel)
Volume 10 Issue 8 Pages
Keywords Animals; Alan; Erinaceus europaeus; Gps; acceleration; activity; conservation; hedgehogs; light pollution; movement behaviour; urbanisation
Abstract With urban areas growing worldwide comes an increase in artificial light at night (ALAN), causing a significant impact on wildlife behaviour and its ecological relationships. The effects of ALAN on nocturnal and protected European hedgehogs (Erinaceus europaeus) are unknown but their identification is important for sustainable species conservation and management. In a pilot study, we investigated the influence of ALAN on the natural movement behaviour of 22 hedgehogs (nine females, 13 males) in urban environments. Over the course of four years, we equipped hedgehogs at three different study locations in Berlin with biologgers to record their behaviour for several weeks. We used Global Positioning System (GPS) tags to monitor their spatial behaviour, very high-frequency (VHF) loggers to locate their nests during daytime, and accelerometers to distinguish between active and passive behaviours. We compared the mean light intensity of the locations recorded when the hedgehogs were active with the mean light intensity of simulated locations randomly distributed in the individual's home range. We were able to show that the ALAN intensity of the hedgehogs' habitations was significantly lower compared to the simulated values, regardless of the animal's sex. This ALAN-related avoidance in the movement behaviour can be used for applied hedgehog conservation.
Address Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615 Bielefeld, 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 2076-2615 ISBN Medium
Area Expedition Conference
Notes PMID:32751525 Approved no
Call Number GFZ @ kyba @ Serial 3066
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Author (up) Bergmann, V.
Title Auswirkungen der Sportplatzbeleuchtung auf die Umgebung Type Book Whole
Year 1994 Publication Sport und Buch Strauss, Ed. Sport, 1994 Abbreviated Journal
Volume Issue Pages
Keywords Society
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Corporate Author Thesis
Publisher Strauss, Ed. Sport Sport und Buch Place of Publication Editor
Language German Summary Language Original Title
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Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 994
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Author (up) Bergs, R.
Title Exploring the Spatial Economy by Night Type Report
Year 2016 Publication n/a Abbreviated Journal n/a
Volume n/a Issue n/a Pages n/a
Keywords Economics; DMSP; DMSP-OLS; remote sensing; spatial distribution
Abstract Night satellite images may offer an interesting tool to generate socio-economically relevant data and to analyse the evolution of space, e.g. cities or rural areas, and how spatial units interact over time. This paper is just an essay with preliminary ideas for discussion; the approach is explorative-methodological rather than one putting an empirical focus on a defined research item. Empirics discussed in this paper are just various examples collected from tinkering.

The DMSP-OLS images and adequate image analysis software such as ImageJ (in some cases to be complemented by further statistics software) provide a useful perspective for the analysis of spatial change. Since there is a stable and significant correlation between social and economic variables (population density, GDP PPP) and luminosity, such image analyses contain important information on spatial economic development. Analysis of night imagery is certainly not adequate to replace the statistical analysis of regional data, but it is a good tool to confirm and illustrate patterns of spatial heterogeneity and spatial dependence over time.
Address PRAC – Bergs & Issa Partnership Co., Bad Soden, Germany
Corporate Author Thesis
Publisher n/a Place of Publication Editor
Language English Summary Language English Original Title
Series Editor Series Title Planung & Forschung Spolicy Research & Consultancy Discussion Paper Series Abbreviated Series Title
Series Volume Series Issue Edition
ISSN n/a ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1392
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