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Author Zapata, M.J.; Sullivan, S.M.P.; Gray, S.M.
Title Artificial Lighting at Night in Estuaries—Implications from Individuals to Ecosystems Type Journal Article
Year 2018 Publication Estuaries and Coasts Abbreviated Journal
Volume In press Issue Pages
Keywords Animals; Ecology
Abstract (up) Artificial lighting at night (ALAN) produced by urban, industrial, and roadway lighting, as well as other sources, has dramatically increased in recent decades, especially in coastal environments that support dense human populations. Artificial “lightscapes” are characterized by distinct spatial, temporal, and spectral patterns that can alter natural patterns of light and dark with consequences across levels of biological organization. At the individual level, ALAN can elicit a suite of physiological and behavioral responses associated with light-mediated processes such as diel activity patterns and predator-prey interactions. ALAN has also been shown to modify community composition and trophic structure, with implications for ecosystem-level processes including primary productivity, nutrient cycling, and the energetic linkages between aquatic and terrestrial systems. Here, we review the state of the science relative to the impacts of ALAN on estuaries, which is an important step in assessing the long-term sustainability of coastal regions. We first consider how multiple properties of ALAN (e.g., intensity and spectral content) influence the interaction between physiology and behavior of individual estuarine biota (drawing from studies on invertebrates, fishes, and birds). Second, we link individual- to community- and ecosystem-level responses, with a focus on the impacts of ALAN on food webs and implications for estuarine ecosystem functions. Coastal aquatic communities and ecosystems have been identified as a key priority for ALAN research, and a cohesive research framework will be critical for understanding and mitigating ecological consequences.
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Call Number NC @ ehyde3 @ Serial 2116
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Author Lee, S-H.; Lim, H-S.
Title A Study on Sky Light Pollution based on Sky Glow in Jeju Island Type Journal Article
Year 2018 Publication Journal of the Architectural Institute of Korea Abbreviated Journal
Volume 34 Issue 4 Pages 83-91
Keywords Skyglow
Abstract (up) Artificial lighting contributes greatly to developing civilizations. It allows daytime activities to continue throughout the dark hours of the day and thus increasing work productivity as well as allowing people to enjoy nighttime activities. In addition, artificial lighting is used to beautify landscapes, architectural monuments, and thus highlighting the social-economic development of a given place. However, excessive and improper usage of artificial lighting can lead to light pollution. Light pollution is a serious issue that is detrimental to human health. It has been linked to a number of health conditions including sleep disorder, visual discomfort as well as cancer. The effects of light pollution extend throughout the entire ecosystem, affecting both plants and animals. Furthermore, sky-glow from light pollution hinders astronomical observation. The current paper presents a study conducted on lit environment of a nightscape. The quality of the sky was measured in 144 spots using Sky Quality Meter (SQM) devices. The measured spots were chosen on the basis of land use as well as distance from the Halla Mountain.
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Call Number NC @ ehyde3 @ Serial 2105
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Author Ebbensgaard, C.L.
Title Standardised difference: Challenging uniform lighting through standards and regulation Type Journal Article
Year 2019 Publication Urban Studies Abbreviated Journal Urban Studies
Volume in press Issue Pages 0042098019866568
Keywords Regulation; Lighting; Conservation; Darkness; Planning; Society
Abstract (up) Artificial lighting has received increased attention from urban scholars and geographers in recent years. It is celebrated for its experimental aesthetics and experiential qualities and critiqued for its adverse effects on biological life and the environment. Yet scholars and practitioners unite in their disapproval of uniform and homogenous lighting that follows from standardised lighting technologies and design principles. Absent from debates in urban scholarship and geography, however, is any serious consideration of how lighting designers respond to such standardised measures and regulations. In this article, I address this lack of academic attention by exploring how designers overturn the restrictive challenges posed by the standards and regulations of the design and planning process. Drawing on interviews with designers involved in the lighting design of a mixed-use redevelopment project in Canning Town, East London, I demonstrate how the interpretation and translation of lighting standards and regulations resist the tendency to predetermine design aesthetics and functions. By drawing attention away from the technical specifications and numerical values that are prescribed in standards and regulations, and towards lighting’s experiential and performative effects, the article argues that lighting designers can play an important role in challenging how standards and regulations are measured, defined and maintained. Calling on urban scholars to play a more prominent role in foregrounding this process of translation, I suggest that standards and regulations can provide frameworks within which luminous differentiation and preservation of darkness can be achieved, playing a potentially crucial role in ensuring a socially and environmentally sustainable transition to energy efficient lighting.
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ISSN 0042-0980 ISBN Medium
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Call Number GFZ @ kyba @ Serial 2678
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Author Yun, Hee-Kyung; Choi, Tae-Bong; Kim, Bu-Kyung; Kim, Hoon 윤희경; 최태봉; 김부경; 김훈
Title Study on the Standard Guideline of Environmental Impact Assessment Focusing on Light Pollution 빛공해 분야의 환경영향평가 지침 표준화 연구 Type Journal Article
Year 2019 Publication Journal of Environmental Impact Assessment (환경영향평가) Abbreviated Journal
Volume 28 Issue 1 Pages 63-70
Keywords Planning
Abstract (up) Artificial lighting is an essential part, but it causes light pollution due to unnecessary or excessive use of light. Light pollution has negative effects such as power waste, adverse health effects, destruction of the ecosystem. But currently, light pollution is managed only post-management. The purpose of this study is to standardize methods of environmental impact assessment focusing on light pollution to effectively manage and reduce the negative effect of areas that may cause light pollution in advance.
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Language Korean Summary Language Original Title
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Call Number IDA @ intern @ Serial 2632
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Author Bailey, L.A.; Brigham, R.M.; Bohn, S.J.; Boyles, J.G.; Smit, B.
Title An experimental test of the allotonic frequency hypothesis to isolate the effects of light pollution on bat prey selection Type Journal Article
Year 2019 Publication Oecologia Abbreviated Journal Oecologia
Volume 190 Issue 2 Pages 367–374
Keywords Animals; Ecology; bats; moths; insects; mammals
Abstract (up) Artificial lights may be altering interactions between bats and moth prey. According to the allotonic frequency hypothesis (AFH), eared moths are generally unavailable as prey for syntonic bats (i.e., bats that use echolocation frequencies between 20 and 50 kHz within the hearing range of eared moths) due to the moths' ability to detect syntonic bat echolocation. Syntonic bats therefore feed mainly on beetles, flies, true bugs, and non-eared moths. The AFH is expected to be violated around lights where eared moths are susceptible to exploitation by syntonic bats because moths' evasive strategies become less effective. The hypothesis has been tested to date almost exclusively in areas with permanent lighting, where the effects of lights on bat diets are confounded with other aspects of human habitat alteration. We undertook diet analysis in areas with short-term, localized artificial lighting to isolate the effects of artificial lighting and determine if syntonic and allotonic bats (i.e., bats that use echolocation frequencies outside the hearing range of eared moths) consumed more moths under conditions of artificial lights than in natural darkness. We found that syntonic bats increased their consumption of moth prey under experimentally lit conditions, likely owing to a reduction in the ability of eared moths to evade the bats. Eared moths may increase in diets of generalist syntonic bats foraging around artificial light sources, as opposed to allotonic species and syntonic species with a more specialized diet.
Address Department of Zoology and Entomology, Rhodes University, P.O. Box 94, Grahamstown, 6140, South Africa. b.smit@ru.ac.za
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Language English Summary Language Original Title
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ISSN 0029-8549 ISBN Medium
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Notes PMID:31139944 Approved no
Call Number GFZ @ kyba @ Serial 2511
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