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Author Troy, J.R.; Holmes, N.D.; Green, M.C.
Title Modeling artificial light viewed by fledgling seabirds Type Journal Article
Year 2011 Publication Ecosphere Abbreviated Journal Ecosphere
Volume 2 Issue 10 Pages art109
Keywords artificial light; fallout; Hydrobatidae; modeling; Newell's Shearwater; Procellariidae; Puffinus newelli; birds
Abstract Artificial light is increasing in coverage across the surface of our planet, impacting the behavioral ecology of many organisms. Attraction to sources of artificial light is a significant threat to certain fledgling shearwaters, petrels (Procellariidae), and storm-petrels (Hydrobatidae) on their first nocturnal flights to the sea. Disorientation by light can cause these birds to crash into vegetation or manmade structures, potentially resulting in death from physical injury, starvation, dehydration, predation by introduced predators, or collisions with vehicles. We developed a GIS-based method to model the intensity of artificial light that fledgling procellariids and hydrobatids could view en route to the ocean (to estimate the degree of threat that artificial light poses to these birds) and present two models for the island of Kauai as examples. These models are particularly relevant to the federally threatened Newell's Shearwater, or `A`o (Puffinus newelli), of which >30,000 fledglings have been collected in response to disorientation by lights on Kauai during the past 30 years. Our models suggest that there are few to no portions of Kauai from which young birds could fledge and not view light on their post-natal nocturnal flights, which is concerning given evidence of a Newell's Shearwater population decline. In future work using this technique, night light intensity layers could be altered to model the effects of modified coastal light conditions on known and potential procellariid and hydrobatid breeding locations. Furthermore, certain methods presented herein may be applicable to other seabirds and additional taxa in which attraction to anthropogenic light poses a serious threat, including migratory passerines and hatchling marine turtles. Components of this modeling approach could potentially be used to spatially estimate effects of other point-source threats to ecological systems, including sound and air pollution.
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Series Editor Series Title Abbreviated Series Title
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ISSN 2150-8925 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 60
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Author Canário, F.; Hespanhol Leitão, A.; Tomé, R.
Title Predation Attempts by Short-eared and Long-eared Owls on Migrating Songbirds Attracted to Artificial Lights Type Journal Article
Year 2012 Publication Journal of Raptor Research Abbreviated Journal Journal of Raptor Research
Volume 46 Issue 2 Pages 232-234
Keywords Asio otus; Long-eared Owl; birds; Asio flammeus; Short-eared Owl; artificial light; migration; predation
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0892-1016 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 61
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Author Woods, C.P.; Brigham, R.M.
Title Common Poorwill activity and calling behavior in relation to moonlight and predation Type Journal Article
Year 2008 Publication The Wilson Journal of Ornithology Abbreviated Journal The Wilson Journal of Ornithology
Volume 120 Issue 3 Pages 505-512
Keywords birds; poorwills; Common Poorwill; Phalaenoptilus nuttallii; Arizona; moonlight
Abstract We investigated the influence of lunar and environmental factors on behavior of Common Poorwills (Phalaenoptilus nuttallii) in southern Arizona under a diverse set of natural and artificial conditions. Radio-marked poorwills were most active shortly after sunset during the new moon. Movements declined as evening progressed. Activity remained high for several hours after sunset when the moon was full. Poorwills were heard calling from March through October, but most calling occurred between early May and September. Only ambient light was correlated with number of poorwills heard calling. More poorwills responded to playbacks of conspecifics when the moon was full than when it was new. Poorwills did not change their response to conspecifics during full moon when playback of poorwill calls followed playback of Great Horned Owl (Bubo virginianus) calls but, during the new moon, fewer birds responded following the owl call. Poorwill behavior is strongly influenced by lunar conditions; their ability to detect and evade predators is important when calling advertises their location.
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Series Editor Series Title Abbreviated Series Title
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ISSN 1559-4491 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 62
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Author Shimose, T.; Yokawa, K.; Tachihara, K.
Title Higher Catch Rates Around the Full Moon for Blue Marlin, Makaira Nigricans, in a Diurnal Trolling Fishery Type Journal Article
Year 2013 Publication Bulletin of Marine Science Abbreviated Journal Bms
Volume 89 Issue 3 Pages 759-765
Keywords fish; blue marlin; Makaira nigricans; Moon; moonlight; Feeding Behavior
Abstract The relationship between lunar phase and catch rates of blue marlin, Makaira nigricans Lacépède, 1802, in a diurnal trolling fishery at Yonaguni Island, southwestern Japan, was investigated. The mean catch per unit effort of blue marlin to lunar day was expressed by a periodic regression and significantly increased around the full moon. The stomach content index also significantly increased around the full moon in small blue marlin (<200 cm lower jaw–fork length), indicating that diurnal feeding activities of blue marlin increased around the full moon, especially for smaller individuals. The diurnal feeding activity is thought to be influenced by the nighttime activities of blue marlin and/or prey movements.
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Series Editor Series Title Abbreviated Series Title
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ISSN 0007-4977 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 63
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Author Becker, A.; Whitfield, A.K.; Cowley, P.D.; Järnegren, J.; Naesje, T.F.; Crispo, E.
Title Potential effects of artificial light associated with anthropogenic infrastructure on the abundance and foraging behaviour of estuary-associated fishes Type Journal Article
Year 2013 Publication Journal of Applied Ecology Abbreviated Journal J Appl Ecol
Volume 50 Issue 1 Pages 43-50
Keywords fish; biology; ecology
Abstract As a consequence of a positive phototaxic response, the findings of this study suggest that artificial light often associated with man-made structures has the potential to alter fish communities within urban estuarine ecosystems by creating optimal conditions for predators. Future coastal developments should consider the ecological implications of lighting on aquatic communities. We recommend that lighting be minimized around coastal infrastructure and the use of red lights, which have limited penetration though water, be considered.
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0021-8901 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 64
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