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Author Kim, K.-N.; Jo, Y.-C.; Huang, Z.-J.; Song, H.-S.; Ryu, K.-H.; Huang, Q.-Y.; Lei, C.-L.
Title Influence of green light illumination at night on biological characteristics of the oriental armyworm, Mythimna separata (Lepidoptera: Noctuidae) Type Journal Article
Year 2019 Publication (up) Bulletin of Entomological Research Abbreviated Journal Bull Entomol Res
Volume in press Issue Pages S0007485319000397
Keywords Animals; Mythimna separata; biological characteristic; green light; longevity; reproduction
Abstract The oriental armyworm, Mythimna separata is an important crop pest in eastern Asia. Nocturnal insects, including nocturnal moths, have phototactic behavior to an artificial light source. Phototactic behavior in insects is species-specific in response to different wavelengths of light sources. Our previous study showed that green (520 nm) light emitting diode (LED) light resulted in a significantly higher phototactic behavior in M. separata moths compared to the other wavelength LED lights. The goal of the present study is to investigate the influence of green light illumination on biological characteristics of different developmental stages in M. separata. Our results revealed that when different developmental stages of M. separata were exposed to the green light illumination in a dark period, several biological characteristics in all developmental stages except for egg stage were positively changed, but those of F1 generation M. separata which are next generation of the adults exposed to the green light did not significantly change compared with the control level. These findings suggest that green light illumination at night (or dark period) has a positive effect on the development and longevity of M. separata.
Address Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University,Wuhan, Hubei,China
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ISSN 0007-4853 ISBN Medium
Area Expedition Conference
Notes PMID:31203829 Approved no
Call Number GFZ @ kyba @ Serial 2585
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Author Bowden, J.
Title An Analysis of Factors Affecting Catches of Insects in Light-Traps Type Journal Article
Year 1982 Publication (up) Bulletin of Entomological Research Abbreviated Journal Bull. Entomol. Res.
Volume 72 Issue 4 Pages 535-556
Keywords Ecology; Animals
Abstract Analysis of published data on catches of insects in light-traps with a variety of light sources and of different designs showed that all conformed to the previously proposed model describing the functioning of a light-trap: catch = constant × where W = trap illumination and I = background illumination. Light-trap catches in differing cloud conditions and in open and woodland situations also varied as predicted by the model. A table of correction factors for different amounts of cloud cover is provided. The results are discussed in relation to use of light-traps and interpretation of light-trap data.
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ISSN 0007-4853 ISBN Medium
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2589
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Author Blagonravov, M.L.; Bryk, A.A.; Medvedeva, E.V.; Goryachev, V.A.; Chibisov, S.M.; Kurlaeva, A.O.; Agafonov, E.D.
Title Structure of Rhythms of Blood Pressure, Heart Rate, Excretion of Electrolytes, and Secretion of Melatonin in Normotensive and Spontaneously Hypertensive Rats Maintained under Conditions of Prolonged Daylight Duration Type Journal Article
Year 2019 Publication (up) Bulletin of Experimental Biology and Medicine Abbreviated Journal Bull Exp Biol Med
Volume 168 Issue 1 Pages 18-23
Keywords Animals; arterial hypertension; biological rhythms; excessive exposure to light; melatonin
Abstract We studied the structure of rhythms of BP, HR (by telemetric monitoring), electrolyte excretion (by capillary electrophoresis), and products of epiphyseal melatonin (by the urinary concentration of 6-sulfatoxymelatonin measured by ELISA) in normotensive Wistar-Kyoto rats and spontaneously hypertensive SHR rats maintained at 16/8 h and 20/4 h light-dark regimes. In Wister-Kyoto rats exposed to prolonged daylight, we observed changes in the amplitude, rhythm power (% of rhythm), and range of oscillations of systolic BP; HR mezor decreased. In SHR rats, mezor of HR also decreased, but other parameters of rhythms remained unchanged. Changes in electrolyte excretion were opposite in normo- and hypertensive rats. Under conditions of 20/4 h light-dark regime, daytime melatonin production tended to increase in normotensive rats and significantly increased in SHR rats. At the same time, nighttime melatonin production did not change in both normotensive and hypertensive animals. As the secretion of melatonin has similar features in animals of both lines, we can say that the epiphyseal component of the “biological clock” is not the only component of the functional system that determines the response of the studied rhythms to an increase in the duration of light exposure.
Address V. A. Frolov Department of General Pathology and Pathophysiology, Institute for Medicine, Peoples' Friendship University of Russia, Moscow, Russia
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Language English Summary Language Original Title
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ISSN 0007-4888 ISBN Medium
Area Expedition Conference
Notes PMID:31741240 Approved no
Call Number GFZ @ kyba @ Serial 2755
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Author Szekeres, P.; Wilson, A.D.M.; Haak, C.R.; Danylchuk, A.J.; Brownscombe, J.W.; Elvidge, C.K.; Shultz, A.D.; Birnie-Gauvin, K.; Cooke, S.J.
Title Does coastal light pollution alter the nocturnal behavior and blood physiology of juvenile bonefish (Albula vulpes)? Type Journal Article
Year 2017 Publication (up) Bulletin of Marine Science Abbreviated Journal bms
Volume 93 Issue 2 Pages 491-505
Keywords Animals
Abstract Light pollution is a prevalent, but often overlooked, ecological concern in a variety of ecosystems. Marine environments are subjected to artificial lighting from coastal development, in addition to offshore sources, such as fishing vessels, oil platforms and cruise ships. Fish species that rely on nearshore habitats are most significantly impacted by coastal light pollution, as they are often limited to nearshore habitats due to predation risk in deeper offshore waters, particularly as juveniles. Juvenile bonefish [Albula vulpes (Linnaeus, 1758)] inhabit the nearshore environment, and are therefore exposed to coastal lighting and other watershed development impacts. Here, we assessed juvenile bonefish behavior and physiology in the presence of two common light sources: constant street lighting (high pressure sodium) and intermittent car headlights (H4 halogen). The behavioral responses were compared with a night and day control, whereas physiology was compared only with a night control. Each behavioral trial had two time periods: light and recovery (2 hrs each). Physiology (blood glucose and whole body cortisol) was assessed after an overnight 8-hr exposure. The results suggest that there is no effect of light pollution on the swimming behavior or whole body cortisol of juvenile bonefish, but that both forms of light pollution resulted in elevated blood glucose concentrations (a simple stress indicator) relative to controls, with constant light glucose levels being significantly higher. Further research is needed to understand the ecological consequences of light pollution on bonefish and other coastal marine fish using additional endpoints, assessing fish over longer time periods, and ideally combining data from the laboratory and the field.
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ISSN 0007-4977 ISBN Medium
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Notes Approved no
Call Number LoNNe @ kyba @ Serial 1658
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Author Garstang, R. H.
Title Predictions of Future Light Pollution for Ground-Based Observatory Sites Type Journal Article
Year 1989 Publication (up) Bulletin of the American Astronomical Society Abbreviated Journal
Volume 21 Issue Pages 759
Keywords Skyglow
Abstract In a paper now in press (P.A.S.P. March 1989) we have given details of an improved model for calculating the light pollution caused by one or more cities at an observatory or prospective observatory site. The principal difference in the new model from our earlier one is the inclusion of the effects of the curvature of the Earth, which are significant for the large cities at large distances from mountain observatories.
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Notes Approved no
Call Number IDA @ intern @ Serial 2545
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