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Author Davies, T.W.; Duffy, J.P.; Bennie, J.; Gaston, K.J.
Title The nature, extent, and ecological implications of marine light pollution Type Journal Article
Year 2014 Publication Frontiers in Ecology and the Environment Abbreviated Journal Frontiers in Ecology and the Environment
Volume 12 Issue 6 Pages 347-355
Keywords Ecology; light pollution; oceans; marine; ecology; ecosystem; Review
Abstract Despite centuries of use, artificial light at night has only recently been recognized as a cause for environmental concern. Its global extent and ongoing encroachment into naturally lit ecosystems has sparked scientific interest into the many ways in which it may negatively affect human health, societal attitudes, scientific endeavors, and biological processes. Yet, perhaps because sources of artificial light are largely land based, the potential for artificial light pollution to interfere with the biology of the ocean has not been explored in any detail. There is little information on how light pollution affects those species, behaviors, and interactions that are informed by the intensity, spectra, and periodicity of natural nighttime light in marine ecosystems. Here, we provide an overview of the extent of marine light pollution, discuss how it changes the physical environment, and explore its potential role in shaping marine ecosystems.
Address Environment and Sustainability Institute, University of Exeter, Cornwall, UK
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ISSN 1540-9295 ISBN Medium
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Notes (up) Approved no
Call Number IDA @ john @ Serial 365
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Author Sciezor, T.; Kubala, M.
Title Particulate matter as an amplifier for astronomical light pollution Type Journal Article
Year 2014 Publication Monthly Notices of the Royal Astronomical Society Abbreviated Journal Monthly Notices of the Royal Astronomical Society
Volume 444 Issue 3 Pages 2487-2493
Keywords atmospheric effects; light pollution; methods; data analysis; site testing
Abstract In this paper, we state that the main factor that influences seasonal changes in the brightness of the cloudless, moonless, light-polluted night sky is primarily particulate matter, emitted mainly from low-emission sources, especially in winter. This effect is particularly noticeable in Cracow and its surroundings, one of the places in Europe that is most polluted by particulate matter. Measurements taken over a period of one year have allowed us to show a linear relationship between the concentration of particulate matter and the brightness of the clear, cloudless night sky. We have also found similar correlations in other, industrialized areas of Poland, as well as at the Mount Suhora Astronomical Observatory. We believe that the factor described here should be taken into account when planning the construction of new astronomical observatories, especially those located near large urban areas.
Address Cracow University of Technology, Faculty of the Environmental Engineering, Warszawska 24, P-31-155 Kraków, Poland
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ISSN 0035-8711 ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number IDA @ john @ Serial 366
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Author Pawson, S.M.; Bader, M.K.-F.
Title LED lighting increases the ecological impact of light pollution irrespective of color temperature Type Journal Article
Year 2014 Publication Ecological Applications Abbreviated Journal Ecological Applications
Volume 24 Issue 7 Pages 1561-1568
Keywords biodiversity; high-pressure sodium lamp; light pollution; spectra; street lighting; urbanization; LED; color temperature; ecology
Abstract Recognition of the extent and magnitude of night-time light pollution impacts on natural ecosystems is increasing, with pervasive effects observed in both nocturnal and diurnal species. Municipal and industrial lighting is on the cusp of a step change where energy-efficient lighting technology is driving a shift from “yellow” high-pressure sodium vapor lamps (HPS) to new “white” light-emitting diodes (LEDs). We hypothesized that white LEDs would be more attractive and thus have greater ecological impacts than HPS due to the peak UV-green-blue visual sensitivity of nocturnal invertebrates. Our results support this hypothesis; on average LED light traps captured 48% more insects than were captured with light traps fitted with HPS lamps, and this effect was dependent on air temperature (significant light × air temperature interaction). We found no evidence that manipulating the color temperature of white LEDs would minimize the ecological impacts of the adoption of white LED lights. As such, large-scale adoption of energy-efficient white LED lighting for municipal and industrial use may exacerbate ecological impacts and potentially amplify phytosanitary pest infestations. Our findings highlight the urgent need for collaborative research between ecologists and electrical engineers to ensure that future developments in LED technology minimize their potential ecological effects.
Address Scion, P.O. Box 29-237, Fendalton, Christchurch, New Zealand
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ISSN 1051-0761 ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number IDA @ john @ Serial 367
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Author Verutes, G.M.; Huang, C.; Estrella, R.R.; Loyd, K.
Title Exploring scenarios of light pollution from coastal development reaching sea turtle nesting beaches near Cabo Pulmo, Mexico Type Journal Article
Year 2014 Publication Global Ecology and Conservation Abbreviated Journal Global Ecology and Conservation
Volume 2 Issue Pages 170-180
Keywords Artificial light; Viewshed analysis; Sea turtle conservation; Coastal resort management; InVEST; sea turtle; reptiles; marine reptiles; vertebrates; Mexico; Baja California
Abstract New coastal development may offer economic benefits to resort builders and even local communities, but these projects can also impact local ecosystems, key wildlife, and the draw for tourists. We explore how light from Cabo Cortés, a proposed coastal development in Baja California Sur, Mexico, may alter natural light cues used by sea turtle hatchlings. We adapt a viewshed approach to model exterior light originating from the resort under plausible zoning scenarios. This spatially explicit information allows stakeholders to evaluate the likely impact of alternative development options. Our model suggests that direct light’s ability to reach sea turtle nesting beaches varies greatly by source location and height—with some plausible development scenarios leading to significantly less light pollution than others. Our light pollution maps can enhance decision-making, offering clear guidance on where to avoid elevated lamps or when to recommend lighting restrictions. Communities can use this information to participate in development planning to mitigate ecological, aesthetic and economic impacts from artificial lighting. Though tested in Mexico, our approach and free, open-source software can be applied in other places around the world to better understand and manage the threats of light pollution to sea turtles.
Address Natural Capital Project, Stanford University, 371 Serra Mall, Stanford, CA, 94305, USA
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ISSN 2351-9894 ISBN Medium
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Notes (up) Approved no
Call Number IDA @ john @ Serial 368
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Author Abd Mutalib, A.H.; Fadzly, N.; Ahmad, A.; Nasir, N.
Title Understanding nesting ecology and behaviour of green marine turtles at Setiu, Terengganu, Malaysia Type Journal Article
Year 2014 Publication Marine Ecology Abbreviated Journal Mar Ecol
Volume 36 Issue 4 Pages 1003-1012
Keywords Chelonia mydas; conservation; green turtles; nesting behaviour; nesting ecology; sea turtles; reptiles; marine reptiles; verterbrates; ecology; Sea turtle conservation; Setiu; Malaysia
Abstract In this paper, we emphasize the importance of understanding the nesting ecology and nesting behaviour of green marine turtles (Chelonia mydas). Data were collected from 2007 until 2012 from nesting beaches at Setiu Terengganu, Malaysia. We focused on one of the beaches, Telaga Papan, based on data collected in 2012. We recorded the distribution of nesting areas, the emergence hour and the correlation between successful nesting attempts and false crawls. Telaga Papan had a significantly higher distribution of green marine turtle nesting compared with the other five beaches (ANOVA, F5,42 = 8.874, P < 0.01, mean = 36.750 ± 3.727). The highest number of successful nesting attempts was recorded in 2012 (mean = 28.714). A majority of the species landed between 22:00 and 23:59 h (25%). There was a strong correlation between successful nesting attempts and false crawls (rs = 0.883, P = 0.02). Based on these findings on the nesting ecology and nesting behaviour of green marine turtles, we suggest that scientific research, strict monitoring, awareness programs and policy implementation should be carried out proactively. Such activities are necessary to reduce the anthropogenic pressures at the nesting beaches as well as to ensure more successful nesting attempts of green marine turtles in Setiu.
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ISSN 0173-9565 ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number IDA @ john @ Serial 369
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