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Author (up) Kamrowski, R.; Limpus, C.; Moloney, J.; Hamann, M.
Title Coastal light pollution and marine turtles: assessing the magnitude of the problem Type Journal Article
Year 2012 Publication Endangered Species Research Abbreviated Journal Endang. Species. Res.
Volume 19 Issue 1 Pages 85-98
Keywords Artificial light; Orientation; Coastal development; GIS analysis; Vulnerability assessment; turtles; reptiles; animals; marine turtles; Australia; Queensland
Abstract Globally significant numbers of marine turtles nest on Australian beaches; however, the human population of Australia is also heavily concentrated around coastal areas. Coastal development brings with it increases in artificial light. Since turtles are vulnerable to disorientation from artificial light adjacent to nesting areas, the mitigation of disruption caused by light pollution has become an important component of marine turtle conservation strategies in Australia. However, marine turtles are faced with a multitude of anthropogenic threats and managers need to prioritise impacts to ensure limited conservation resources can result in adequate protection of turtles. Knowledge of the extent to which nesting areas may be vulnerable to light pollution is essential to guide management strategies. We use geographical information system analysis to over-lay turtle nesting data onto night-time lights data produced by the NOAA National Geophysical Data Center, to assess the proportion of marine turtles in Australia potentially at risk from light pollution. We also identify the Australian nesting sites which may face the greatest threat from artificial light. Our assessment indicates that the majority of nesting turtles appear to be at low risk, but population management units in Western Australia and Queensland are vulnerable to light pollution. The risk to turtles from light generated by industrial developments appears significantly higher than at any other location. Consequently, managers of turtle management units in regions of proposed or on-going industrial development should anticipate potentially disrupted turtle behaviour due to light pollution. Our methodology will be useful to managers of turtles elsewhere.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 1863-5407 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 74
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Author (up) Kamrowski, R.L.; Sutton, S.G.; Tobin, R.C.; Hamann, M.
Title Potential applicability of persuasive communication to light-glow reduction efforts: a case study of marine turtle conservation Type Journal Article
Year 2014 Publication Environmental Management Abbreviated Journal Environ Manage
Volume 54 Issue 3 Pages 583-595
Keywords Society; Adolescent; Adult; Aged; Aged, 80 and over; Animals; *Conservation of Natural Resources; Culture; Female; Humans; *Lighting; Male; Middle Aged; Persuasive Communication; Public Opinion; Queensland; Questionnaires; *Turtles; Young Adult
Abstract Artificial lighting along coastlines poses a significant threat to marine turtles due to the importance of light for their natural orientation at the nesting beach. Effective lighting management requires widespread support and participation, yet engaging the public with light reduction initiatives is difficult because benefits associated with artificial lighting are deeply entrenched within modern society. We present a case study from Queensland, Australia, where an active light-glow reduction campaign has been in place since 2008 to protect nesting turtles. Semi-structured questionnaires explored community beliefs about reducing light and evaluated the potential for using persuasive communication techniques based on the theory of planned behavior (TPB) to increase engagement with light reduction. Respondents (n = 352) had moderate to strong intentions to reduce light. TPB variables explained a significant proportion of variance in intention (multiple regression: R (2) = 0.54-0.69, P < 0.001), but adding a personal norm variable improved the model (R (2) = 0.73-0.79, P < 0.001). Significant differences in belief strength between campaign compliers and non-compliers suggest that targeting the beliefs reducing light leads to “increased protection of local turtles” (P < 0.01) and/or “benefits to the local economy” (P < 0.05), in combination with an appeal to personal norms, would produce the strongest persuasion potential for future communications. Selective legislation and commitment strategies may be further useful strategies to increase community light reduction. As artificial light continues to gain attention as a pollutant, our methods and findings will be of interest to anyone needing to manage public artificial lighting.
Address School of Earth and Environmental Sciences, James Cook University, Townsville, QLD, 4811, Australia, ruth.kamrowski(at)my.jcu.edu.au
Corporate Author Thesis
Publisher Springer Place of Publication Editor
Language English Summary Language English Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0364-152X ISBN Medium
Area Expedition Conference
Notes PMID:24957580 Approved no
Call Number IDA @ john @ Serial 1283
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