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Author Buchar, J.; Thaler, K.
Title Über Pardosa atomaria (C .L. KOCH) und andere Pardosa-Arten an Geröllüfern in Süd- und Mitteleuropa. Type Journal Article
Year 2002 Publication Linzer Biologischer Beitrag Abbreviated Journal (down)
Volume Issue Pages 445–465
Keywords Plants
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 659
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Author Kirschey, T.; Meisel, J.
Title Augen in der Landschaft Seen und Stillgewässer Nordostdeutschlands. Type Journal Article
Year 2008 Publication Naturmagazin Abbreviated Journal (down)
Volume Issue Pages 4-11
Keywords Plants
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 661
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Author Tinus, R. W.
Title Effects of Extended Photoperiod on Southern Rocky Mountain Engelmann Spruce and Douglas-fir Type Journal Article
Year 1981 Publication Tree Planters' Notes Abbreviated Journal (down)
Volume 32 Issue 4 Pages
Keywords Plants
Abstract Four sources of Engelmann spruce and two of Douglas-fir were grown under eight different extended photoperiod regimes. Incandescent light 1 minute of every 15 at night at 270 lux was more effective than continuous incandescent at 1200 lux or intermittent fluorescent at 950 lux at preventing bud dormancy and maintaining continuous height growth.
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Notes Approved no
Call Number IDA @ intern @ Serial 2368
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Author Lawrence, B.K.; Fehr, W.R.
Title Reproductive Response of Soybeans to Night Interruption1 Type Journal Article
Year 1981 Publication Crop Science Abbreviated Journal (down)
Volume 21 Issue 5 Pages 755
Keywords Plants
Abstract Artificial lights may be used to delay flowering of soybean [Glycine max (L.) Merr.] cultivars. Previous research has suggested that night interruption imposed every other night would delay flowering as much as every-night interruption. Our objective was to evaluate the reproductive development of cultivars when exposed to night interruption every night compared with exposure every other night. One cultivar of each Maturity Group 00 through V was grown in the field at Ames, Iowa during 1978 and 1979. The four light treatments imposed every night or every other night included illumination with incandescent light from sunset to sunrise, 2300 to 0030 hours, 0030 to 0200 hours, or 0200 to 0330 hours. Control plots were not exposed to artificial light.

The average number of days that reproductive development was delayed beyond the control was twice as great for the every-night treatments as for the every-other-night treatments. Illumination from sunset to sunrise delayed reproductive development significantly more than the treatments of night interruption for 1.5 hours. Night interruption near the end of the dark period (0200 to 0330 hours) delayed reproductive development more than the earlier interruptions.

The results did not support the hypothesis that light treatments every other night would delay reproductive development as much as every-night interruptions. The lighting regime needed to delay reproductive development will depend on the photoperiod requirements of the cultivars and duration of the delay that is desired.
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ISSN 0011-183X ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ intern @ Serial 2367
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Author Schroer, S.; Hölker, F.
Title Impact of Lighting on Flora and Fauna Type Book Chapter
Year 2016 Publication Handbook of Advanced Lighting Technology Abbreviated Journal (down)
Volume Issue Pages 1-33
Keywords Ecology; Lighting; Artificial light at night; ALAN; Plants; Animals; review
Abstract Technology, especially artificial light at night (ALAN), often has unexpected impacts on the environment. This chapter addresses both the perception of light by various organisms and the impact of ALAN on flora and fauna. The responses to ALAN are subdivided into the effects of light intensity, color spectra, and duration and timing of illumination. The ways organisms perceive light can be as variable as the habitats they live in. ALAN often interferes with natural light information. It is rarely neutral and has significant impacts beyond human perception. For example, UV light reflection of generative plant parts or the direction of light is used by many organisms as information for foraging, finding spawning sites, or communication. Contemporary outdoor lighting often lacks sustainable planning, even though the protection of species, habitat, and human well-being could be improved by adopting simple technical measures. The increasing use of ALAN with high intensities in the blue part of the spectrum, e.g., fluorescent light and LEDs, is discussed as a critical trend. Blue light is a major circadian signal in higher vertebrates and can substantially impact the orientation of organisms such as numerous insect species. A better understanding of how various types and sources of artificial light, and how organisms perceive ALAN, will be an important step towards more sustainable lighting. Such knowledge is the basis for sustainable lighting planning and the development of solutions to protect biodiversity from the effects of outdoor lighting. Maps that describe the rapid changes in ALAN are urgently needed. In addition, measures are required to reduce the increasing use and intensity of ALAN in more remote areas as signaling thresholds in flora and fauna at night are often close to moonlight intensity and far below streetlight levels.
Address Leibniz Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, 12587, Berlin, Germany; schroer(at)igb-berlin.de
Corporate Author Thesis
Publisher Springer Place of Publication Editor
Language English Summary Language English Original Title
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ISSN ISBN 978-3-319-00295-8 Medium
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Notes Approved no
Call Number IDA @ john @ Serial 1470
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