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Author Rydell, J.; Eklöf, J.; Sánchez-Navarro, S.
Title (up) Age of enlightenment: long-term effects of outdoor aesthetic lights on bats in churches Type Journal Article
Year 2017 Publication Royal Society Open Science Abbreviated Journal R. Soc. open sci.
Volume 4 Issue 8 Pages 161077
Keywords Animals
Abstract 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-lights in the period between the two surveys. The loss of bat colonies from lit churches was highly significant and most obvious when lights were applied from all directions, leaving no dark corridor for the bats to leave and return to the roost. In contrast, in churches that were not lit, all of 13 bat colonies remained after 25+ years between the surveys. Lighting of churches and other historical buildings is a serious threat to the long-term survival and reproduction of light-averse bats such as Plecotus spp. and other slow-flying species. Bat roosts are strictly protected according to the EU Habitats Directive and the EUROBATS agreement. Lighting of buildings for aesthetic purposes is becoming a serious environmental issue, because important bat roosts are destroyed in large numbers, and the problem should be handled accordingly. As a start, installation of flood-lights on historical buildings should at least require an environmental impact assessment (EIA).
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Series Volume Series Issue Edition
ISSN 2054-5703 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kyba @; GFZ @ kyba @ Serial 1698
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Author Verma, A.K.; Singh, S.; Rizvi, S.I.
Title (up) Age-dependent altered redox homeostasis in the chronodisrupted rat model and moderation by melatonin administration Type Journal Article
Year 2020 Publication Chronobiology International Abbreviated Journal Chronobiol Int
Volume in press Issue Pages
Keywords Animals; Aging; artificial light-at-night; circadian disruption; melatonin; oxidative stress
Abstract Circadian disruption or chronodisruption (CD) occurs when day-night cycles and other internal rhythms are not adjusted to environmental light-dark regimens and are unable to synchronize among each other. Artificial light-induced oxidative stress is a major concern as the circadian physiology of the cell is chronically altered due to suppression of the time-keeping hormone, melatonin. The relationship between age-related impaired redox status and disrupted circadian rhythms is still not fully understood. The present study evaluated the effect of artificial light at night (ALAN) with respect to aging and role of melatonin supplementation. This study was conducted on young (3 months) and old (24 months) male Wistar rats subdivided into four groups control (C), melatonin treated (MLT), artificial light at night (ALAN), and ALAN+MLT group. Pronounced changes were observed in the old compared to the young rats. Reactive oxygen species (ROS), malondialdehyde (MDA), plasma membrane redox system (PMRS), protein carbonyl (PCO), and sialic acid (SA) were significantly (p </= 0.05) increased, while ferric reducing ability of plasma (FRAP) and reduced glutathione (GSH) were significantly (p </= 0.05) suppressed in light-exposed young and old animals compared to their age-matched controls. Advanced oxidation protein products (AOPP) increased non-significantly in young rats of the ALAN group; however, significant (p </= 0.05) changes were observed in the old rats of the ALAN group compared to their respective controls. Advanced glycation end products (AGEs) increased and acetylcholinesterase (AChE) activity decreased, significantly (p </= 0.05) in young animals of the ALAN group, while nonsignificant changes of both parameters were recorded in the old animals of the ALAN groups compared with their age-matched controls. Melatonin supplementation resulted in maintenance of the normal redox homeostasis in both young and old animal groups. Our study suggests that aged rats are more susceptible to altered photoperiod as their circadian redox homeostasis is under stress subsequent to ALAN. Melatonin supplementation could be a promising means of alleviating age-related circadian disturbances, especially in light-polluted areas.
Address Department of Biochemistry, University of Allahabad , Allahabad, India
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Language English Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0742-0528 ISBN Medium
Area Expedition Conference
Notes PMID:32731777 Approved no
Call Number GFZ @ kyba @ Serial 3067
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Author Aschoff, J.
Title (up) Aktivitätsmuster der Tagesperiodik Type Journal Article
Year 1957 Publication Die Naturwissenschaften Abbreviated Journal
Volume 44 Issue 13 Pages 361-367
Keywords Human Health
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 709
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Author Kennard, D.C.; Chamberlin, V.D.
Title (up) All-night Light for Layers Type Report
Year 1931 Publication Abbreviated Journal
Volume Bulletin 476 Issue Pages
Keywords Animals
Abstract
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Corporate Author Ohio Agricultural Experiment Station Thesis
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2392
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Author Jawaad Atif, M.; Amin, B.; Imran Ghani, M.; Ali, M.; Liu, X.; Zhang, Y.; Cheng, Z.
Title (up) Allium sativum L. (Garlic) bulb enlargement as influenced by differential combinations of photoperiod and temperature Type Journal Article
Year 2020 Publication Food Chemistry Abbreviated Journal Food Chemistry
Volume in press Issue Pages 127991
Keywords Plants
Abstract Photoperiod and temperature are vital environmental factors that regulate plant developmental processes. However, the roles of these factors in garlic bulb enlargement are unclear. In this report, responses of garlic bulb morphology and physiology to combinations of photoperiod (light/dark: 10/14 h, 12/12 h, 14/10 h) and temperature (light/dark: 25/18°C, 30/20°C) were investigated. For garlic cultivar G103, bulb characteristics, phytohormones (IAA, ABA, ZT, tZR, JA), allicin and phenolic acids (p-coumaric and p-hydroxybenzoic) were highest under a photoperiod of 14 h at 30°C. Maximum GA was observed under 14 h+30°C for cv. G2011-5. Maximum caffeic, ferulic and vanillic acids were detected for cv. G2011-5 at 14 h+30°C, 12 h+25°C and 14 h+25°C, respectively. Flavonoids (myricetin, quercetin, kaempferol and apigenin) were not detected in this trial. This is the first report describing the impact of long periods of light duration and higher temperatures on garlic morphology, phytohormones, phenolic acids and allicin content.
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Language Summary Language Original Title
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Series Volume Series Issue Edition
ISSN 0308-8146 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 3137
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