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Author Holt, C.S.; Waters, T.F.
Title Effect of Light Intensity on the Drift of Stream Invertebrates Type Journal Article
Year 1967 Publication Ecology Abbreviated Journal Ecology
Volume 48 Issue 2 Pages 225
Keywords Animals
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Series Volume Series Issue Edition
ISSN 0012-9658 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 426
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Author Longcore, T.; Rich, C.
Title Ecological light pollution Type Journal Article
Year 2004 Publication Frontiers in Ecology and the Environment Abbreviated Journal Frontiers in Ecology and the Environment
Volume 2 Issue 4 Pages 191-198
Keywords Ecology
Abstract Ecologists have long studied the critical role of natural light in regulating species interactions, but, with limited exceptions, have not investigated the consequences of artificial night lighting. In the past century, the extent and intensity of artificial night lighting has increased such that it has substantial effects on the biology and ecology of species in the wild. We distinguish “astronomical light pollution”, which obscures the view of the night sky, from “ecological light pollution”, which alters natural light regimes in terrestrial and aquatic ecosystems. Some of the catastrophic consequences of light for certain taxonomic groups are well known, such as the deaths of migratory birds around tall lighted structures, and those of hatchling sea turtles disoriented by lights on their natal beaches. The more subtle influences of artificial night lighting on the behavior and community ecology of species are less well recognized, and constitute a new focus for research in ecology and a pressing conservation challenge.
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ISSN 1540-9295 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ christopher.kyba @ Serial 480
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Author Pendoley, K.; Kamrowski, R.
Title Influence of horizon elevation on the sea-finding behaviour of hatchling flatback turtles exposed to artificial light glow Type Journal Article
Year 2015 Publication Marine Ecology Progress Series Abbreviated Journal Mar. Ecol. Prog. Ser.
Volume 529 Issue Pages 279-288
Keywords Animals; Hatchling orientation; Artificial lighting; Horizon elevation; Marine turtle; Conservation management; Elevation; Industry; Coastal development; Sea turtle; Sea turtle conservation
Abstract Marine turtles are threatened globally by increasing coastal development. In particular, increased artificial lighting at the nesting beach has the potential to disrupt turtle breeding success. Few published data exist regarding the behaviour of the flatback turtle Natator depressus, a species endemic to Australia, in response to artificial light. Given the ongoing industrialisation of the Australian coastline, this study is a timely investigation into the orientation of flatback hatchlings exposed to light glow produced by lighting typically used in industrial settings. We recorded the orientation of hatchlings at the nesting beach on Barrow Island, Western Australia, exposed to 3 types of standard lighting — high-pressure sodium vapour (HPS), metal halide (MH), and fluorescent white (FW)—at 3 different intensities. The light array was positioned either behind a high dune (producing a high, dark silhouette; 16° elevation), or in a low creek bed (producing a low silhouette and bright horizon; 2° elevation). At medium and high light intensities of all 3 light types, hatchlings were significantly less ocean-oriented when exposed to light at 2° elevation compared to 16° elevation. This difference remained with glow from low-intensity MH light; however, there was no significant difference in orientation of hatchlings exposed to low- intensity HPS and FW light glow at either elevation. Our study emphasises the importance of horizon elevation cues in hatchling sea-finding. Since all species of marine turtles show similar sea-finding behaviour, our results have important implications for management of lighting adjacent to turtle nesting beaches in Australia and elsewhere, as coastal development continues.
Address Pendoley Environmental Pty Ltd, 12A Pitt Way, Booragoon, Western Australia 6154, Australia; ruth.kamrowski@penv.com.au
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Language English Summary Language English Original Title
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ISSN 0171-8630 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1189
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Author Craig, C.L.
Title Insect Perception of Spider Orb Webs in Three Light Habitats Type Journal Article
Year 1988 Publication Functional Ecology Abbreviated Journal Functional Ecology
Volume 2 Issue 3 Pages 277
Keywords Animals
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ISSN 0269-8463 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 665
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Author Craig, C. L.; Bernard, G. D.
Title Insect Attraction to Ultraviolet-Reflecting Spider Webs and Web Decorations Type Journal Article
Year 1990 Publication Ecology Abbreviated Journal
Volume 71 Issue 2 Pages 616–623
Keywords Animals
Abstract The foraging performance of any predator is dependent on its ability to locate prey. All spiders produce silks and many locate insects by producing silk traps. We measured the reflective properties of silk produced by primitive, non-web-weaving spiders and derived aerial web spinners. We found that primitive spiders produce silks that reflect ultraviolet (UV) light and primitive aerial web weavers spin UV-reflecting catching silks that attract Drosophila. Derived, web-spinning spiders in the genus Argiope, however, produce catching silks that exhibit low reflectivity in the UV and, in fact, reflect little light at all. Nevertheless, Argiope decorate their webs with bright, UV-reflecting bars and crosses that attract prey. We found that more insects were intercepted per hour by decorated webs with spiders than by undercorated webs from which the spider had been removed. In addition, within-web analyses showed that when only half of a web was decorated, more insects were intercepted by the decorated halves than the undecorated web halves. We propose that UV-reflecting decorative silks, together with the UV-reflecting body surfaces of A. argentata, act as a visual display that attracts prey.
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Publisher Ecological Society of America Place of Publication Editor
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 666
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