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Author Patriarca, E.; Debernardi, P.
Title Bats and light pollution Type Journal Article
Year 2010 Publication Report from the UNEP/EUROBATS project Abbreviated Journal
Volume Issue Pages 2-21
Keywords Animals
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Call Number LoNNe @ christopher.kyba @ Serial 400
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Author Vinogradova, I.A.; Anisimov, V.N.; Bukalev, A.V.; Ilyukha, V.A.; Khizhkin, E.A.; Lotosh, T.A.; Semenchenko, A.V.; Zabezhinski, M.A.
Title Circadian disruption induced by light-at-night accelerates aging and promotes tumorigenesis in young but not in old rats Type Journal Article
Year 2010 Publication AGING Abbreviated Journal
Volume 2 Issue 2 Pages 82-92
Keywords Animals; Light-at-night; life span; tumorigenesis; rats
Abstract We evaluated the effect of exposure to constant light started at the age of 1 month and at the age of 14 months on the survival, life span, tumorigenesis and age-related dynamics of antioxidant enzymes activity in various organs in comparison to the rats maintained at the standard (12:12 light/dark) light/dark regimen. We found that exposure to constant light started at the age of 1 month accelerated spontaneous tumorigenesis and shortened life span both in male and female rats as compared to the standard regimen. At the same time, the exposure to constant light started at the age of 14 months failed to influence survival of male and female rats. While delaying tumors in males, constant light accelerated tumors in females. We conclude that circadian disruption induced by light-at-night started at the age of 1 month accelerates aging and promotes tumorigenesis in rats, however failed affect survival when started at the age of 14 months.
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Call Number LoNNe @ christopher.kyba @ Serial 401
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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.
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Call Number LoNNe @ christopher.kyba @ Serial 402
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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.
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Call Number LoNNe @ christopher.kyba @ Serial 403
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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
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Call Number LoNNe @ christopher.kyba @ Serial 404
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