| Records |
| 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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0173-9565 |
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IDA @ john @ |
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369 |
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Newport, J.; Shorthouse, D.J.; Manning, A.D. |
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The effects of light and noise from urban development on biodiversity: Implications for protected areas in Australia |
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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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1442-7001 |
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IDA @ john @ |
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370 |
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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. |
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Rating impacts in a multi-stressor world: a quantitative assessment of 50 stressors affecting the Great Lakes |
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Journal Article |
| Year |
2013 |
Publication |
Ecological Applications |
Abbreviated Journal |
Ecological Applications |
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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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1051-0761 |
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IDA @ john @ |
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372 |
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Mace, B.L.; McDaniel, J. |
| Title |
Visitor Evaluation of Night Sky Interpretation in Bryce Canyon National Park and Cedar Breaks National Monument |
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Journal Article |
| Year |
2013 |
Publication |
Journal of Interpretation Research |
Abbreviated Journal |
J. of Interp. Res. |
| Volume |
18 |
Issue |
2 |
Pages |
39-57 |
| Keywords |
parks; interpretation; social studies; Bryce Canyon National Park; Cedar Breaks National Monument; dark skies |
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Natural lightscapes are an important resource for parks and protected areas, including Bryce Canyon National Park and Cedar Breaks National Monument. Both locations offer night sky interpretive programs, attracting over 27,000 visitors annually, equaling all other interpretive programs combined. Parks need to understand what drives visitor interest and park managers need to assess if night sky interpretation is meeting expectations. A total of 1,179 night and day visitors to Bryce Canyon National Park and Cedar Breaks National Monument served as participants and completed a 36-item survey measuring knowledge, attitudes, benefits, and behaviors related to the night sky. Results show those who attended a night sky interpretive program gained a significant amount of knowledge about night sky issues. Both day and night visitors have strongly held attitudes about light pollution and the protection of the night sky in national parks. |
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Department of Psychology, Southern Utah University, Cedar City, UT 84720 USA |
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IDA @ john @ |
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374 |
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Warrant, E.; Oskarsson, M.; Malm, H. |
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The Remarkable Visual Abilities of Nocturnal Insects: Neural Principles and Bioinspired Night-Vision Algorithms |
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Journal Article |
| Year |
2014 |
Publication |
Proceedings of the IEEE |
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| Volume |
102 |
Issue |
10 |
Pages |
1411 - 1426 |
| Keywords |
Animals; Vision |
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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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LoNNe @ christopher.kyba @ |
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376 |
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