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Author Dominy, N.J.; Melin, A.D.
Title Liminal Light and Primate Evolution Type Journal Article
Year 2020 Publication (up) Annual Review of Anthropology Abbreviated Journal Annu. Rev. Anthropol.
Volume 49 Issue 1 Pages
Keywords Primates; Vision; Moonlight; Twilight
Abstract The adaptive origins of primates and anthropoid primates are topics of enduring interest to biological anthropologists. A convention in these discussions is to treat the light environment as binary—night is dark, day is light—and to impute corresponding selective pressure on the visual systems and behaviors of primates. In consequence, debate has tended to focus on whether a given trait can be interpreted as evidence of nocturnal or diurnal behavior in the primate fossil record. Such classification elides the variability in light, or the ways that primates internalize light in their environments. Here, we explore the liminality of light by focusing on what it is, its many sources, and its flux under natural conditions. We conclude by focusing on the intensity and spectral properties of twilight, and we review the mounting evidence of its importance as a cue that determines the onset or offset of primate activities as well as the entrainment of circadian rhythms.
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ISSN 0084-6570 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 3110
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Author Garstang, R.H.
Title The Status and Prospects for Ground-Based Observatory Sites Type Journal Article
Year 1989 Publication (up) Annual Review of Astronomy and Astrophysics Abbreviated Journal Annu. Rev. Astron. Astrophys.
Volume 27 Issue 1 Pages 19-40
Keywords Skyglow
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ISSN 0066-4146 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2437
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Author Gaston, K.J.; Davies, T.W.; Nedelec, S.L.; Holt, L.A.
Title Impacts of Artificial Light at Night on Biological Timings Type Journal Article
Year 2017 Publication (up) Annual Review of Ecology, Evolution, and Systematics Abbreviated Journal Annu. Rev. Ecol. Evol. Syst.
Volume 48 Issue 1 Pages 49-68
Keywords Animals; Plants; Review
Abstract The use of artificial lighting to illuminate the night has provided substantial benefits to humankind. It has also disrupted natural daily, seasonal, and lunar light cycles as experienced by a diversity of organisms, and hence it has also altered cues for the timings of many biological activities. Here we review the evidence for impacts of artificial nighttime lighting on these timings. Although the examples are scattered, concerning a wide variety of species and environments, the breadth of such impacts is compelling. Indeed, it seems reasonable to conclude that the vast majority of impacts of artificial nighttime lighting stem from effects on biological timings. This adds support to arguments that artificial nighttime lighting has a quite pervasive and marked impact on ecological systems, that the rapid expansion in the global extent of both direct illuminance and skyglow is thus of significant concern, and that a widespread implementation of mitigation measures is required.
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ISSN 1543-592X ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2449
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Author David, A.; Smet, K.A.G.; Whitehead, L.
Title Methods for Assessing Quantity and Quality of Illumination Type Journal Article
Year 2019 Publication (up) Annual Review of Vision Science Abbreviated Journal Annu Rev Vis Sci
Volume 5 Issue Pages 479-502
Keywords Vision; Review; Photometry; Colorimetry
Abstract Human vision provides useful information about the shape and color of the objects around us. It works well in many, but not all, lighting conditions. Since the advent of human-made light sources, it has been important to understand how illumination affects vision quality, but this has been surprisingly difficult. The widespread introduction of solid-state light emitters has increased the urgency of this problem. Experts still debate how lighting can best enable high-quality vision-a key issue since about one-fifth of global electrical power production is used to make light. Photometry, the measurement of the visual quantity of light, is well established, yet significant uncertainties remain. Colorimetry, the measurement of color, has achieved good reproducibility, but researchers still struggle to understand how illumination can best enable high-quality color vision. Fortunately, in recent years, considerable progress has been made. Here, we summarize the current understanding and discuss key areas for future study.
Address Department of Physics and Astronomy, University of British Columbia, Vancouver BC V6T 1Z1, Canada; email: lorne.whitehead@ubc.ca
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Language English Summary Language Original Title
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ISSN 2374-4642 ISBN Medium
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Notes PMID:31226013 Approved no
Call Number GFZ @ kyba @ Serial 2576
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Author Mirzakhalil, S.H.; Bidgoli, S.A.
Title A Photographic Investigation of Tehran's Light Pollution from North and East Directions Type Journal Article
Year 2017 Publication (up) Anthropogenic Pollution Abbreviated Journal
Volume 1 Issue 1 Pages 18-24
Keywords Skygow
Abstract Tehran is the most affected town by light pollution in Iran. In this study, the role of the regional topography in the distribution of light pollution in Tehran was evaluated using digital images recording and analyzing the obtained images from Tehran sky-glow by East and South in standard image-processing Software. The scale of Tehran's glowing =dome as measured by 17 mag/arc sec2 or 0.017 cd/m2 by South, and 18.7 (mag/arc sec2) or 0.0035 cd/m2 by East. Considering the approximately equal distance of the two viewpoints from the center of Tehran city, the calculated scale by South is 1.36 times larger than the amount from the East point.
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Notes Approved no
Call Number GFZ @ kyba @ Serial 3047
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