| Records |
| Author |
Kyba, C.C.M.; Hölker, F. |
| Title |
Do artificially illuminated skies affect biodiversity in nocturnal landscapes? |
Type |
Journal Article |
| Year |
2013 |
Publication |
Landscape Ecology |
Abbreviated Journal |
Landscape Ecol |
| Volume |
28 |
Issue |
9 |
Pages |
1637-1640 |
| Keywords |
skyglow; light pollution; biodiversity |
| Abstract |
The skyglow from cities at night is one of the most dramatic modifications that humans have made to Earth’s biosphere, and it is increasingly extending into nocturnal landscapes (nightscapes) far beyond urban areas. This scattered light is dim and homogenous compared to a lit street, but can be bright compared to natural celestial light sources, such as stars. Because of the large area of Earth affected by artificial skyglow, it is essential to verify whether skyglow is a selective pressure in nocturnal landscapes. We propose two scientific approaches that could examine whether skyglow affects biodiversity. |
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0921-2973 |
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IDA @ john @ |
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35 |
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| Author |
Glass, J.; Ryan, P. |
| Title |
Reduced seabird night strikes and mortality in the Tristan rock lobster fishery |
Type |
Journal Article |
| Year |
2013 |
Publication |
African Journal of Marine Science |
Abbreviated Journal |
African Journal of Marine Science |
| Volume |
35 |
Issue |
4 |
Pages |
589-592 |
| Keywords |
storm petrels; Pelagodroma marina; Fregetta grallaria; Fregetta tropica; common diving petrel; Pelecanoides urinatrix; broad-billed prion; Pachyptila vittata; Tristan rock lobster; Jasus tristani; seabirds; birds; collision; Gough Island; Tristan |
| Abstract |
The main impact of the fishery for Tristan rock lobster Jasus tristani on seabirds at the Tristan archipelago and Gough Island is through night strikes, when petrels collide with a ship after being disorientated by its lights. Tristan fishery observers have kept records of night strikes on the MV Edinburgh since the 2010/2011 fishing season. Over the last three years, 723 seabirds from nine species were recorded coming aboard the fishing vessel, with at least 39 (5.4%) birds dying as a result. Birds killed were broad-billed prions Pachyptila vittata (41%), common diving petrels Pelecanoides urinatrix (23%), and storm petrels (Pelagodroma marina and Fregetta grallaria/tropica 36%). All these species are listed as Least Concern globally, and the numbers killed per year are <0.1% of the island populations. The captain and crew of the Edinburgh are aware of the problem posed by deck lights at night, and attempt to keep external lighting to a minimum. As a result, the numbers of birds coming aboard vessels in this fishery have decreased from an average of 130 birds per night in 1989 to less than two birds per night in 2010–2013. Currently, most incidents occur during exceptional events when circumstances require deck lights to be lit at night. Consideration should be given to banning fishing operations at night, at least on misty nights. |
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1814-232X |
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IDA @ john @ |
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53 |
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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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0007-4977 |
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IDA @ john @ |
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63 |
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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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0021-8901 |
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IDA @ john @ |
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64 |
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| Author |
Vignoli, L.; Luiselli, L. |
| Title |
Better in the dark: two Mediterranean amphibians synchronize reproduction with moonlit nights |
Type |
Journal Article |
| Year |
2013 |
Publication |
Web Ecology |
Abbreviated Journal |
Web Ecol. |
| Volume |
13 |
Issue |
1 |
Pages |
1-11 |
| Keywords |
animals; amphibians; Hyla intermedia; Rana dalmatina; *Reproduction; reproductive strategies; Moon; moon phase; moonlight |
| Abstract |
In Amphibians, both positive and negative correlations between activity and full moon phase have been observed. In this study, we present data for two anuran species (Hyla intermedia and Rana dalmatina) studied in a hilly Mediterranean area of central Italy. We analysed, in a two-year survey, the relationships between the number of egg clutches laid each night and the moon phases by means of circular statistics. Moreover, the studied species exhibited clear oviposition site selection behaviour influenced, at least in H. intermedia, by moon phases. We observed the occurrence of an avoidance effect by amphibians for oviposition and specific egg-laying behaviour during moon phases around the full moon. This apparent lunar phobia was evident in both species when yearly data were pooled. On the other hand, while this pattern continued to be also evident in H. intermedia when single years were considered, in R. dalmatina it stood just in one year of study. Nonetheless, during cloudy nights, when moonlight arriving on the ground was low, the frogs' behaviour was similar to that observed in new moon phases. We interpreted the observed pattern as an anti-predatory strategy. Overall, comparisons between our own study and previous research suggest that there was insufficient evidence to establish any unequivocal patterns and that further research in this regard is needed. |
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1399-1183 |
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IDA @ john @ |
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80 |
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