| Records |
| Author |
Labuda, M., Pavličková, K., Števová, J. |
| Title |
Dark Sky Parks – new impulse for nature tourism development in protected areas (National Park Muranska Planina, Slovakia) |
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Journal Article |
| Year |
2016 |
Publication |
e-Review of Tourism Research |
Abbreviated Journal |
eRTR |
| Volume |
13 |
Issue |
5/6 |
Pages |
536-549 |
| Keywords |
Society; tourism; astrotourism; sustainable tourism; dark sky parks |
| Abstract |
Dark Sky Parks are one of important measures to support nature tourism in the protected
areas. In this paper, we introduce the concept of astro-tourism on the model area of National Park Muranska Planina (Slovakia), which should lead to the establishment of Dark Sky Park and the implementation of measures focused on dark sky protection, i.e. the elimination of light pollution over model area. The concept includes the measurement of night sky brightness, the selection of suitable observational sites and lighting plan. It is very important from the view of ecology, e.g. by the protection of night animal species. On the other hand, these characteristics can be fully used in new tourism concept in that protected area. |
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Department of Landscape Ecology, Comenius University, Bratislava, Slovakia; mlabuda(at)fns.uniba.sk, |
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2246 |
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Stamplecoskie, K.M.; Binder, T.R.; Lower, N.; Cottenie, K.; McLaughlin, R.L.; McDonald, D.G. |
| Title |
Response of Migratory Sea Lampreys to Artificial Lighting in Portable Traps |
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Journal Article |
| Year |
2012 |
Publication |
North American Journal of Fisheries Management |
Abbreviated Journal |
North American Journal of Fisheries Management |
| Volume |
32 |
Issue |
3 |
Pages |
563-572 |
| Keywords |
lampreys; Petromyzon marinus |
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This study evaluated responses by migratory spawning-phase sea lampreys Petromyzon marinus to artificial trap lighting in the laboratory and field with the aim of improving trapping as a method of sea lamprey control in the Laurentian Great Lakes. We hypothesized that lighting would improve trap success by increasing the attraction to, entrance into, or retention within portable sea lamprey traps. The responses of migratory sea lampreys to nocturnal lighting were complex and situation dependent. In the laboratory, where two traps were placed side by side, more sea lampreys were caught in the lit trap than in the unlit trap (80% versus 20%), largely because of increased attraction to the lit trap (75% of trap funnel entries by sea lampreys were in lit traps). In the field, where two traps were set 9 m apart and located against a barrier to upstream movement, there was no consistent difference in the numbers of sea lampreys caught in lit versus unlit traps. We provide two hypotheses for the variability in response to trap lighting between the laboratory and field, but overall the inconsistency of sea lamprey response to trap lighting leads us to conclude that the benefits of implementing trap lighting for sea lamprey control are limited. Lighting traps may be beneficial in situations where lighting is implemented in conjunction with other trap modifications that attract sea lampreys to within close proximity of traps or when traps are operated in stream locations that already encounter high volumes of sea lampreys. |
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0275-5947 |
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IDA @ john @ |
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68 |
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Riley, W.D.; Bendall, B.; Ives, M.J.; Edmonds, N.J.; Maxwell, D.L. |
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Street lighting disrupts the diel migratory pattern of wild Atlantic salmon, Salmo salar L., smolts leaving their natal stream |
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Journal Article |
| Year |
2012 |
Publication |
Aquaculture |
Abbreviated Journal |
Aquaculture |
| Volume |
330-333 |
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74-81 |
| Keywords |
Artificial light; Behaviour; Migration; Salmon; Smolt; Street lighting |
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The migratory timing and behaviour of wild Atlantic salmon smolts leaving their natal stream was determined using a passive integrated transponder (PIT) antennae system at a study site on a tributary of the River Itchen, England. Experiments compared the downstream migration of smolts under natural control conditions (2000–2006) with two years (2008 and 2009) when the main downstream exit of the study site was subject to street-lit conditions every alternate night (maximum light intensity measured at the stream surface = 14 lx). Migration of smolts under control conditions was significantly (p < 0.01, n = 170) correlated with sunset. By contrast, street lighting resulted in the timing of migration being random (p = 0.11, n = 7; p = 0.76, n = 34, respectively) with respect to time of day. Furthermore, migration of smolts was significantly (p = 0.01, n = 19) correlated with the time of sunset for fish migrating when the lamp had been off, but random (p = 0.36, n = 22) when the lamp had been on (2008 and 2009 data, combined). This alteration in migratory behaviour due to street lighting may impact fitness. |
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0044-8486 |
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IDA @ john @ |
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69 |
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Takemura, A.; Ueda, S.; Hiyakawa, N.; Nikaido, Y. |
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A direct influence of moonlight intensity on changes in melatonin production by cultured pineal glands of the golden rabbitfish, Siganus guttatus |
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Journal Article |
| Year |
2006 |
Publication |
Journal of Pineal Research |
Abbreviated Journal |
J Pineal Res |
| Volume |
40 |
Issue |
3 |
Pages |
236-241 |
| Keywords |
Animals; Circadian Rhythm; *Light; Melatonin/biosynthesis/*secretion; *Moon; Organ Culture Techniques; Perciformes/*physiology; Pineal Gland/physiology/*radiation effects |
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Rabbitfish are a restricted lunar-synchronized spawner that spawns around a species-specific lunar phase. It is not known how the fish perceive changes in cues from the moon. One possible explanation is that rabbitfish utilize changes in moonlight intensity to establish synchrony. The purpose of the present study was to examine whether or not the pineal gland of the golden rabbitfish can directly perceive changes in moonlight intensity. Isolated pineal glands were statically cultured under natural or artificial light conditions and melatonin secreted into the culture medium was measured using a time-resolved fluoroimmunoassay. Under an artificial light/dark cycle, melatonin secretion significantly increased during the dark phase. Under continuous light conditions, melatonin secretion was suppressed, while culture under continuous dark conditions seemed to duplicate melatonin secretion corresponding to the light/dark cycle in which the fish were acclimated. When cultured pineal glands were kept under natural light conditions on the dates of the full and the new moon, small amounts of melatonin were secreted at night. Moreover, exposure of cultured pineal glands to artificial and natural light conditions resulted in a significant decrease of melatonin secretion within 2 hr. These results suggest that the isolated pineal gland of golden rabbitfish responds to environmental light cycles and that 'brightness' of the night moon has an influence on melatonin secretion from the isolated pineal gland. |
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Sesoko Station, Tropical Biosphere Research Center, University of the Ryukyus, Motobu, Okinawa, Japan. tilapia@lab.u-ryukyu.ac.jp |
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0742-3098 |
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PMID:16499560 |
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no |
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IDA @ john @ |
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70 |
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Baker, B.J.; Richardson, J.M.L. |
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The effect of artificial light on male breeding-season behaviour in green frogs,Rana clamitans melanota |
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Journal Article |
| Year |
2006 |
Publication |
Canadian Journal of Zoology |
Abbreviated Journal |
Can. J. Zool. |
| Volume |
84 |
Issue |
10 |
Pages |
1528-1532 |
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animals; amphibians; frogs; green frogs; Rana clamitans melanota; Reproduction; reproductive strategies |
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Artificial night lighting (or ecological light pollution) is only now gaining attention as a source of long-term effects on the ecology of both diurnal and nocturnal animals. The limited data available clearly indicate that artificial light can affect physiology and behaviour of animals, leading to ecological consequences at the population, community, and ecosystem levels. Aquatic ecosystems may be particularly vulnerable to such effects, and nocturnally breeding animals such as frogs may be especially affected. To address this potential, we quantify the effects of artificial light on calling and movement behaviour in a rural population of male green frogs (Rana clamitans melanota (Rafinesque, 1820)) during the breeding season. When exposed to artificial light, frogs produced fewer advertisement calls and moved more frequently than under ambient light conditions. Results clearly demonstrate that male green frog behaviour is affected by the presence of artificial light in a manner that has the potential to reduce recruitment rates and thus affect population dynamics. |
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0008-4301 |
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IDA @ john @ |
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71 |
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