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Author Alquezar, R.D.; Macedo, R.H.; Sierro, J.; Gil, D.
Title Lack of consistent responses to aircraft noise in dawn song timing of bird populations near tropical airports Type Journal Article
Year 2020 Publication Behavioral Ecology and Sociobiology Abbreviated Journal Behav Ecol Sociobiol
Volume 74 Issue 7 Pages
Keywords Animals
Abstract Birds living near airports can reduce the noise interference by advancing their dawn chorus timing and avoiding the start of airport operations. Data supporting this finding come from temperate areas, but little is known from tropical environments, where seasonal variation is lower and biodiversity is higher. Here, we investigated whether 15 tropical bird species are able to advance their dawn song and avoid aircraft noise interference. We sampled dawn song in three airports and three control sites in Brazil, using automated recording units. We found that dawn song times were not globally affected by the exposure to airport noise. Instead, changes were highly variable and species-specific, as dawn song onset was significantly advanced in two and delayed in four species. This large variation in responses was surprising given patterns found in previous studies. Indeed, this is the first time that a significant delay is reported for bird’s dawn song. We explored whether between-species differences in this response could be explained by additional variables (song frequency, degree of urbanity, and noise release), but none of them explained the direction or the strength of the changes. We suggest that earlier airport activity and shorter variations in day length and in twilight duration of tropical areas may be restricting birds’ ability to change dawn song timing. Further studies should consider these differences and analyze to what extent populational declines in noisy areas and the resultant reduced competition for acoustic space may be affecting the changes in dawn chorus onset time.
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Series Volume Series Issue Edition
ISSN 0340-5443 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial (down) 3017
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Author Huffeldt, N.P.
Title Photic Barriers to Poleward Range-shifts Type Journal Article
Year 2020 Publication Trends in Ecology & Evolution Abbreviated Journal Trends Ecol Evol
Volume in press Issue Pages
Keywords Animals; biological rhythm; global climate change; phenology; photoperiod; photoreception; range-shift
Abstract With climate warming, organisms are shifting their ranges towards the poles, tracking their optimal thermal environments. Day-length, the driver of daily and annual timing, is, however, fixed by latitude and date. Timing and photoreception mechanisms adapted to ancestral photic environments may restrict range-shift capacity, resulting in photic barriers to range-shifts.
Address Greenland Institute of Natural Resources, 3900 Nuuk, Greenland; Arctic Ecosystem Ecology, Department of Bioscience, Aarhus University, 4000 Roskilde, Denmark. Electronic address: nph@bios.au.dk
Corporate Author Thesis
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0169-5347 ISBN Medium
Area Expedition Conference
Notes PMID:32473743 Approved no
Call Number GFZ @ kyba @ Serial (down) 2992
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Author Dominoni, D.M., Halfwerk, W., Baird, E. et al.
Title Why conservation biology can benefit from sensory ecology Type Journal Article
Year 2020 Publication Nature Ecology & Evolution Abbreviated Journal
Volume 4 Issue Pages 502-511
Keywords Conservation; Animals; Vision
Abstract Global expansion of human activities is associated with the introduction of novel stimuli, such as anthropogenic noise, artificial lights and chemical agents. Progress in documenting the ecological effects of sensory pollutants is weakened by sparse knowledge of the mechanisms underlying these effects. This severely limits our capacity to devise mitigation measures. Here, we integrate knowledge of animal sensory ecology, physiology and life history to articulate three perceptual mechanisms—masking, distracting and misleading—that clearly explain how and why anthropogenic sensory pollutants impact organisms. We then link these three mechanisms to ecological consequences and discuss their implications for conservation. We argue that this framework can reveal the presence of ‘sensory danger zones’, hotspots of conservation concern where sensory pollutants overlap in space and time with an organism’s activity, and foster development of strategic interventions to mitigate the impact of sensory pollutants. Future research that applies this framework will provide critical insight to preserve the natural sensory world.
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Notes Approved no
Call Number IDA @ intern @ Serial (down) 2972
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Author Voigt, C.C., Scholl, J.M., Bauer, J. et al.
Title Movement responses of common noctule bats to the illuminated urban landscape Type Journal Article
Year 2020 Publication Landscape Ecology Abbreviated Journal
Volume 35 Issue Pages 189-201
Keywords Animals
Abstract Context

Cities are a challenging habitat for obligate nocturnal mammals because of the ubiquitous use of artificial light at night (ALAN). How nocturnal animals move in an urban landscape, particularly in response to ALAN is largely unknown.

Objectives

We studied the movement responses, foraging and commuting, of common noctules (Nyctalus noctula) to urban landscape features in general and ALAN in particular.

Methods

We equipped 20 bats with miniaturized GPS loggers in the Berlin metropolitan area and related spatial positions of bats to anthropogenic and natural landscape features and levels of ALAN.

Results

Common noctules foraged close to ALAN only next to bodies of water or well vegetated areas, probably to exploit swarms of insects lured by street lights. In contrast, they avoided illuminated roads, irrespective of vegetation cover nearby. Predictive maps identified most of the metropolitan area as non-favoured by this species because of high levels of impervious surfaces and ALAN. Dark corridors were used by common noctules for commuting and thus likely improved the permeability of the city landscape.

Conclusions

We conclude that the spatial use of common noctules, previously considered to be more tolerant to light than other bats, is largely constrained by ALAN. Our study is the first individual-based GPS tracking study to show sensitive responses of nocturnal wildlife to light pollution. Approaches to protect urban biodiversity need to include ALAN to safeguard the larger network of dark habitats for bats and other nocturnal species in cities.
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Notes Approved no
Call Number IDA @ intern @ Serial (down) 2961
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Author Sung, C. Y., & Kim, Y.-J.
Title Analysis of the Status of Light Pollution and its Potential Effect on Ecosystem of the Deogyusan National Park Type Journal Article
Year 2020 Publication Korean Journal of Environment and Ecology Abbreviated Journal
Volume 34 Issue 1 Pages 63-71
Keywords Conservation; Ecology; Remote Sensing
Abstract This study characterized the spatial and seasonal patterns of light pollution in the Deogyusan National Park and examined the potential effects of light pollution on ecosystems in the park using light intensities derived from VIIRS (Visible Infrared Imaging Radiometer Suite) DNB (Day and Night Band) nightlight images collected in January and August 2018. Results showed that the Muju Deogyusan resort had the greatest light intensity than other sources of light pollution in the park, and light intensity of the resort was much higher in January than in August, suggesting that artificial lights in ski slopes and facilities were the major source of light pollution in the park. An analysis of an urban-natural light pollution gradient along a neighboring urban area through the inside of the park indicated that light radiated from a light pollution source permeated for up to 1km into the adjacent area and contaminated the edge area of the park. Of the legally protected species whose distributions were reported in literature, four mammals (Martes flavigula, Mustela nivalis, Prionailurus bengalensis, Pteromys volans aluco), two birds (Falco subbuteo, Falco tinnunculus), and nine amphibians and reptiles (Onychodactylus koreanus, Hynobius leechii, Karsenia koreana, Rana dybowskii, Rana huanrenensis, Elaphe dione, Rhabdophis tigrinus, Gloydius ussuriensis, Gloydius saxatilis) inhabited light-polluted areas. Of those species inhabiting light-polluted areas, nocturnal species, such as Prionailurus bengalensis and Pteromys volans aluco, in particular, were vulnerable to light pollution. These results implied that protecting ecosystems from light pollution in national parks requires managing nighttime light in the parks and surrounding areas and making a plan to manage nighttime light pollution by taking into account ecological characteristics of wild animals in the parks.
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Language Summary Language Original Title
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Notes Approved no
Call Number IDA @ intern @ Serial (down) 2948
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