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Author (up) Brown, J., Frank A.
Title Light and Molt in Weaver Finches Type Journal Article
Year 1940 Publication The Auk Abbreviated Journal The Auk
Volume 57 Issue 4 Pages 485-498
Keywords Animals
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ISSN 0004-8038 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2366
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Author (up) Brundin, T.M.
Title Light reactions of terrestrial amphipods Type Journal Article
Year 1913 Publication Journal of Animal Behavior Abbreviated Journal Journal of Animal Behavior
Volume 3 Issue 5 Pages 334-352
Keywords Animals
Abstract Investigated the responses of amphipods to light. A series of experiments were conducted to determine the mechanism of the phototactic response, and the cause of reversal in the sense of phototaxis. Varying numbers of Ss were tested on reaction time to light and heat. The more terrestrial forms among the amphipoda were more positive. Concluded that the conditions which brought about the positive phototaxis were the same, as prevailed in the environment of the more terrestrial amphipoda. Heat and dryness favored positive reactions, while cold, moisture and silence favored negative reactions. The small specimen of O. traskiana had shorter periods of negative reactions than the more sluggish specimen, which could be made positive to the light by enforced activity, dryness and heat, resulting in metabolic processes through which chemical responses necessary for a response took place. The modification of the response helped in adaptation. (PsycINFO Database Record (c) 2016 APA, all rights reserved)
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ISSN 0095-9928 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2419
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Author (up) Brüning A., Hölker, F., Franke, S., Preuer, T., Kloas, W.
Title Impact of different colours of artificial light at night on melatonin rhythm and gene expression of gonadotropins in European perch Type Journal Article
Year 2016 Publication Science of The Total Environment Abbreviated Journal
Volume 543 Issue Pages 214-222
Keywords Animals
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Notes Approved no
Call Number LoNNe @ schroer @ Serial 1294
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Author (up) Brüning, A.; Hölker, F.
Title Lichtverschmutzung und die Folgen für Fische. Type Journal Article
Year 2013 Publication In: Held, M., Hölker, F. & Jessel, B (2013) Schutz der Nacht – Lichtverschmutzung, Biodiversität und Nachtlandschaft. – BfN-Skripten Abbreviated Journal
Volume 336 Issue Pages 69-72
Keywords Animals
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Call Number LoNNe @ kagoburian @ Serial 688
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Author (up) Brüning, A.; Hölker, F.; Wolter, C.
Title Artificial light at night: implications for early life stages development in four temperate freshwater fish species Type Journal Article
Year 2011 Publication Aquatic Sciences Abbreviated Journal Aquat Sci
Volume 73 Issue 1 Pages 143-152
Keywords Ecology
Abstract Flora and fauna have both evolved under a natural cycle of light and dark. But especially in urban areas, the night is now increasingly disturbed by artificial light. Many traits and behaviours in fish are triggered by a circadian clock, for example hatching and swim bladder inflation, which predominantly take place at dusk or night. As lighting becomes brighter and extends farther into rural areas, the distinction between day and night becomes increasingly blurred. Therefore, the loss of diurnal trigger by artificial light at night was hypothesized having deleterious effects on these traits and impact fish reproduction. To assess these effects, eggs of four native freshwater fishes, Eurasian perch Perca fluviatilis, roach Rutilus rutilus, bleak Alburnus alburnus and chub Leuciscus cephalus, were incubated under two different light conditions: a photoperiod of 14 h light:10 h darkness (LD) and continuous illumination (LL). The time to hatch and swim bladder inflation was recorded. The species showed inconsistent reactions to the light treatments. In roach and bleak, the time to 50% hatch was longer in LL, whereas continuous lighting had an accelerating effect in chub. Incubation in LL elongated the hatching period in perch and roach and, in perch, the onset of darkness seemed to trigger hatching. The swim bladder inflation was significantly promoted by continuous light in chub and bleak but was not affected in roach. In conclusion, nocturnal artificial illumination could have an effect on hatching and initial swim bladder filling by masking the day–night-change and thereby diminish the trigger effect. However, the reactions were species specific and the increase in variation indicated a lack of diurnal triggering, whilst a general deleterious effect of artificial light at night has not been identified on early life stages.
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ISSN 1015-1621 ISBN Medium
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Call Number LoNNe @ christopher.kyba @ Serial 477
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