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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
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Call Number IDA @ john @ Serial 369
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Author Newport, J.; Shorthouse, D.J.; Manning, A.D.
Title The effects of light and noise from urban development on biodiversity: Implications for protected areas in Australia Type Journal Article
Year 2014 Publication Ecological Management & Restoration Abbreviated Journal Ecol Manag Restor
Volume 15 Issue 3 Pages 204-214
Keywords biodiversity; light; noise; pollution; protected areas; urban development; Australia; light pollution; ecology
Abstract Global population growth and associated urban development are having profound effects on biodiversity. Two major outcomes of expanding development that affect wildlife are light and noise pollution. In this paper, we review literature reporting the effects of light and noise on biodiversity, and assess implications for conservation planning in Australia. Our results clearly indicate that light and noise pollution have the potential to affect the physiology, behaviour and reproduction of a range of animal taxa. Types of effects include changes in foraging and reproductive behaviours, reduction in animal fitness, increased risk of predation and reduced reproductive success. These could have flow-on consequences at the population and ecosystem levels. We found a significant gap in knowledge of the impact of these pollutants on Australian fauna. To reduce the effect of light and noise pollution, there needs to be careful planning of urban areas in relation to protected areas, and for biodiversity more generally. Potential measures include strategically planning the types of development and associated human activities adjacent to protected areas, and the use of shields and barriers, such as covers for lights or the use of dense native vegetation screens, while still allowing movement of animals. Changes in government standards and regulations could also help to reduce the impacts of light and noise pollution.
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ISSN 1442-7001 ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 370
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Author Smith, S.D.P.; McIntyre, P.B.; Halpern, B.S.; Cooke, R.M.; Marino, A.L.; Boyer, G.L.; Buchsbaum, A.; Burton, J., G. Allen; Campbell, L.M.; Ciborowski, J.J.H.; Doran, P.J.; Infante, D.M.; Johnson, L.B.; Read, J.G.; Rose, J.B.; Rutherford, E.S.; Steinman, A.D.; Allan, J.D.
Title Rating impacts in a multi-stressor world: a quantitative assessment of 50 stressors affecting the Great Lakes Type Journal Article
Year 2013 Publication Ecological Applications Abbreviated Journal Ecological Applications
Volume Issue Pages 140915094202006
Keywords Great Lakes; limnology; light pollution; environment; stressor; ecology
Abstract Ecosystems often experience multiple environmental stressors simultaneously that differ widely in their pathways and strengths of impact. Differences in relative impact can guide restoration and management prioritization, but few studies have empirically assessed a comprehensive suite of stressors acting on a given ecosystem. To fill this gap in the Laurentian Great Lakes, where considerable restoration investments are currently underway, we used expert elicitation via a detailed online survey to develop ratings of the relative impacts of 50 potential stressors. Highlighting the multiplicity of stressors in this system, experts assessed all 50 stressors to have some impact on ecosystem condition, but ratings differed greatly among stressors. Individual stressors related to invasive and nuisance species (e.g., dreissenid mussels and ballast invasion risk) and climate change were assessed as having the greatest potential impacts. These results mark a shift away from the longstanding emphasis on nonpoint phosphorus and persistent bioaccumulative toxic substances in the Great Lakes. Differences in impact ratings among lakes and ecosystem zones were weak, and experts exhibited surprisingly high levels of agreement on the relative impacts of most stressors. Our results provide a basin-wide, quantitative summary of expert opinion on the present-day influence of all major Great Lakes stressors. The resulting ratings can facilitate prioritizing stressors to achieve management objectives in a given location, as well as providing a baseline for future stressor impact assessments in the Great Lakes and elsewhere.
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ISSN 1051-0761 ISBN Medium
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Notes Approved no
Call Number IDA @ john @ Serial 372
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Author Warrant, E.; Oskarsson, M.; Malm, H.
Title The Remarkable Visual Abilities of Nocturnal Insects: Neural Principles and Bioinspired Night-Vision Algorithms Type Journal Article
Year 2014 Publication Proceedings of the IEEE Abbreviated Journal
Volume 102 Issue 10 Pages 1411 - 1426
Keywords Animals; Vision
Abstract Despite their tiny eyes and brains, nocturnal insects have remarkable visual abilities. Recent work – particularly on fast-flying moths and bees and on ball-rolling dung beetles – has shown that nocturnal insects are able to distinguish colors, to detect faint movements, to learn visual landmarks, to orient to the faint pattern of polarized light produced by the moon, and to navigate using the stars. These impressive visual abilities are the result of exquisitely adapted eyes and visual systems, the product of millions of years of evolution. Even though we are only at the threshold of understanding the neural mechanisms responsible for reliable nocturnal vision, growing evidence suggests that the neural summation of photons in space and time is critically important: even though vision in dim light becomes necessarily coarser and slower, those details that are preserved are seen clearly. These benefits of spatio-temporal summation have obvious implications for dim-light video technologies. In addition to reviewing the visual adaptations of nocturnal insects, we here describe an algorithm inspired by nocturnal visual processing strategies – from amplification of primary image signals to optimized spatio-temporal summation to reduce noise – that dramatically increases the reliability of video collected in dim light, including the preservation of color.
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Call Number LoNNe @ christopher.kyba @ Serial 376
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Author Anisimov, V.N.; Vinogradova, I.A.; Panchenko, A.V.; Popovich, I.G.; Zabezhinskii, M.A.
Title Light-at-Night-Induced Circadian Disruption, Cancer and Aging Type Journal Article
Year 2012 Publication Current Aging Science Abbreviated Journal
Volume 5 Issue 3 Pages 170-177
Keywords Animals; Light-at-night; aging; cancer; cardiovascular diseases; circadian; circadian rhythm; diabetes; disruption; melatonin; shift-work
Abstract Light-at-night has become an increasing and essential part of the modern lifestyle and leads to a number of health problems, including excessive body mass index, cardiovascular diseases, diabetes, and cancer. The International Agency for Research on Cancer (IARC) Working Group concluded that “shift-work that involves circadian disruption is probably carcinogenic to humans” (Group 2A) [1]. According to the circadian disruption hypothesis, light-at-night might disrupt the endogenous circadian rhythm and specifically suppress nocturnal production of the pineal hormone melatonin and its secretion into the blood. We evaluated the effect of various light/dark regimens on the survival, life span, and spontaneous and chemical carcinogenesis in rodents. Exposure to constant illumination was followed by accelerated aging and enhanced spontaneous tumorigenesis in female CBA and transgenic HER-2/neu mice. In male and female rats maintained at various light/dark regimens (standard 12:12 light/dark [LD], the natural light [NL] of northwestern Russia, constant light [LL], and constant darkness [DD]) from the age of 25 days until natural death, it was found that exposure to NL and LL regimens accelerated age-related switch-off of the estrous function (in females), induced development of metabolic syndrome and spontaneous tumorigenesis, and shortened life span both in male and females rats compared to the standard LD regimen. Melatonin given in nocturnal drinking water prevented the adverse effect of the constant illumination (LL) and natural light (NL) regimens on the homeostasis, life span, and tumor development both in mice and rats. The exposure to the LL regimen accelerated colon carcinogenesis induced by 1,2-dimethylhydrazine (DMH) in rats, whereas the treatment with melatonin alleviated the effects of LL. The maintenance of rats at the DD regimen inhibited DMH-induced carcinogenesis. The LL regimen accelerated, whereas the DD regimen inhibited both mammary carcinogenesis induced by N-nitrosomethylurea and transplacental carcinogenesis induced by N-nitrosoethylurea in rats. Treatment with melatonin prevented premature aging and tumorigenesis in rodents. The data found in the literature and our observations suggest that the use of melatonin would be effective for cancer prevention in humans at risk as a result of light pollution.
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Call Number LoNNe @ christopher.kyba @ Serial 377
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