|   | 
Details
   web
Records
Author Boscarino, B.T.; Rudstam, L.G.; Eillenberger, J.L.; O'Gorman, R.
Title Importance of light, temperature, zooplankton and fish in predicting the nighttime vertical distribution of Mysis diluviana Type Journal Article
Year 2009 Publication Aquat Biol Abbreviated Journal
Volume 5 Issue Pages 263-279
Keywords Animals; Mysis relicta; Modeling; Migration; Zooplankton; Vertical distribution; DVM
Abstract The opossum shrimp Mysis diluviana (formerly M. relicta) performs large amplitude diel vertical migrations in Lake Ontario and its nighttime distribution is influenced by temperature, light and the distribution of its predators and prey. At one location in southeastern Lake Ontario, we measured the vertical distribution of mysids, mysid predators (i.e. planktivorous fishes) and mysid prey (i.e. zooplankton), in addition to light and temperature, on 8 occasions from May to September, 2004 and 2005. We use these data to test 3 different predictive models of mysid habitat selection, based on: (1) laboratory-derived responses of mysids to different light and temperature gradients in the absence of predator or prey cues; (2) growth rate of mysids, as estimated with a mysid bioenergetics model, given known prey densities and temperatures at different depths in the water column; (3) ratio of growth rates (g) and mortality risk (μ) associated with the distribution of predatory fishes. The model based on light and temperature preferences was a better predictor of mysid vertical distribution than the models based on growth rate and g:μ on all 8 occasions. Although mysid temperature and light preferences probably evolved as mechanisms to reduce predation while increasing foraging intake, the response to temperature and light alone predicts mysid vertical distribution across seasons in Lake Ontario.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number LoNNe @ christopher.kyba @ Serial 402
Permanent link to this record
 

 
Author Vinogradova, I.A.; Anisimov, V.N.; Bukalev, A.V.; Semenchenko, A.V.; Zabezhinski, M.A.
Title Circadian disruption induced by light-at-night accelerates aging and promotes tumorigenesis in rats Type Journal Article
Year 2009 Publication AGING Abbreviated Journal
Volume 10 Issue 1 Pages 855-865
Keywords Animals; light-at-night; life span; tumorigenesis; rats
Abstract We evaluated the effect of various light/dark regimens on the survival, life span and tumorigenesis in rats. Two hundred eight male and 203 females LIO rats were subdivided into 4 groups and kept at various light/dark regimens: standard 12:12 light/dark (LD); natural lighting of the North-West of Russia (NL); constant light (LL), and constant darkness (DD) since the age of 25 days until natural death. We found that exposure to NL and LL regimens accelerated development of metabolic syndrome and spontaneous tumorigenesis, shortened life span both in male and females rats as compared to the standard LD regimen. We conclude that circadian disruption induced by light-at-night accelerates aging and promotes tumorigenesis in rats. This observation supports the conclusion of the International Agency Research on Cancer that shift-work that involves circadian disruption is probably carcinogenic to humans.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number LoNNe @ christopher.kyba @ Serial 403
Permanent link to this record
 

 
Author Kuijper, D.P.J.; Schut, J.; van Dullemen, D.; Toorman, H.; Goossens, N.; Ouwehand, J.; Limpens, H.J.G.A.
Title Experimental evidence of light disturbance along the commuting routes of pond bats (Myotis dasycneme) Type Journal Article
Year 2008 Publication Lutra Abbreviated Journal
Volume 51 Issue 1 Pages 37-49
Keywords Animals; ecological connectivity; conservation; illumination; foraging; turning behaviour
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number LoNNe @ christopher.kyba @ Serial 404
Permanent link to this record
 

 
Author Bachleitner, W.; Kempinger, L.; Wülbeck, C.; Rieger, D.; Helfrich-Förster, C.
Title Moonlight shifts the endogenous clock of Drosophila melanogaster Type Journal Article
Year 2007 Publication PNAS Abbreviated Journal
Volume 104 Issue 9 Pages 3538–3543
Keywords Animals; circadian rhythm; dual; oscillator model; PERIOD; synchronization; TIMELESS
Abstract The ability to be synchronized by light–dark cycles is a fundamental property of circadian clocks. Although there are indications that circadian clocks are extremely light-sensitive and that they can be set by the low irradiances that occur at dawn and dusk, this has not been shown on the cellular level. Here, we demonstrate that a subset of Drosophila's pacemaker neurons responds to nocturnal dim light. At a nighttime illumination comparable to quarter-moonlight intensity, the flies increase activity levels and shift their typical morning and evening activity peaks into the night. In parallel, clock protein levels are reduced, and clock protein rhythms shift in opposed direction in subsets of the previously identified morning and evening pacemaker cells. No effect was observed on the peripheral clock in the eye. Our results demonstrate that the neurons driving rhythmic behavior are extremely light-sensitive and capable of shifting activity in response to the very low light intensities that regularly occur in nature. This sensitivity may be instrumental in adaptation to different photoperiods, as was proposed by the morning and evening oscillator model of Pittendrigh and Daan. We also show that this adaptation depends on retinal input but is independent of cryptochrome.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number LoNNe @ christopher.kyba @ Serial 405
Permanent link to this record
 

 
Author Nowinszky, L.
Title Nocturnal illumination and night flying insects Type Journal Article
Year 2004 Publication APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH Abbreviated Journal
Volume 2 Issue 1 Pages 17–52
Keywords Animals; light-trap; collecting distance; Babinet-point; moon phases
Abstract The present study discusses the light trapping of insects depending on the environmental illumination, twilight polarization phenomena and the moon phases. The trapping data were taken of Hungarian national light-trap network. The important results are the followings: The Babinet-point, a polarization free spot of the sky at twilight, can be a role of orientation of insects. The height of the Moon above

the horizon is in negative correlation with the number of the caught insects. The maximum individual

number of species was collected at various moon phases.
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes (up) Approved no
Call Number LoNNe @ christopher.kyba @ Serial 407
Permanent link to this record