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Ogden, L.J.E. |
Title |
Collision Course: The Hazards of Lighted Structures and Windows to Migrating Birds |
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Journal Article |
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1996 |
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Technical report, World Wildlife Fund Canada and the Fatal Light Awareness Program, Toronto, Canada. |
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LoNNe @ christopher.kyba @ |
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414 |
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Author |
Kolb, H.H. |
Title |
The effect of moonlight on activity in the wild rabbit (Oryctolagus cuniculus) |
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Journal Article |
Year |
1992 |
Publication |
Journal of Zoology |
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228 |
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4 |
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661-665 |
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Animals |
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0952-8369 |
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LoNNe @ christopher.kyba @ |
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417 |
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Author |
Frank, K.D. |
Title |
Imapct of outdoor lighting on moths: an assessment |
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Journal Article |
Year |
1988 |
Publication |
J Lepid Soc |
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42 |
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2 |
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63-93 |
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Animals; conservation; evolution; Hight; urban ecology; light pollution |
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LoNNe @ christopher.kyba @ |
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419 |
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Haim, A.; Heth, G.; Pratt, H.; Nevo, E. |
Title |
Photoperiodic effects on thermoregulation in a 'blind' subterranean mammal |
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Journal Article |
Year |
1983 |
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J Exp Biol |
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107 |
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59-64 |
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Animals |
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Thermoregulatory responses to changes in photoperiod were studied in the âblindâ mole rat Spalax ehrenbergi (Nehring). Acclimation of cold-sensitive individuals to short photoperiod (8L:16D) at an ambient temperature (Ta) of 22 degrees C increased their thermoregulatory capacity in cold conditions, when compared to individuals which were acclimated to a photoperiod of 12L:12D at the same Ta. Acclimation of cold-resistant individuals to Ta = 17 degrees C but with a photoperiod of 16L:8D caused a decrease in thermoregulatory capacity. Evaluation of the visual pathway through the visual-evoked potentials showed that the mole rat does not respond to flash stimuli and can thus be considered to be effectively blind. |
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LoNNe @ christopher.kyba @ |
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422 |
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Author |
Hoffmann, K. |
Title |
Photoperiod, Pineal, Melatonin and Reproduction in Hamsters |
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Journal Article |
Year |
1979 |
Publication |
Progress in Brain Research |
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52 |
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397â415 |
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Animals |
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This chapter discusses the experiments done on male hamsters. It should be noted, however, that corresponding results have been obtained in females in nearly all cases, regardless of whether photoperiodic effects, the results after pineal manipulations or after application of melatonin are considered. Many mammalian species show a marked annual cycle of gonadal and other functions. In a number of cases it has been shown that the photoperiod, that is, the length of the daily light cycle and its changes, are involved in the regulation of this cycle. The pineal has been shown to participate in the transduction of photoperiodic effects of short photoperiods leading to regression and also of long photoperiods stimulating recrudescence. The latter effect is not only a suppression of antigonadotrophic effects from the pineal, but a positive stimulation. The exact role of melatonin in the photoperiodic mechanism and its site of action are still unclear. Strong effects of melatonin application have been found in photoperiodic mammals. Recent experiments suggest that not only the amount of melatonin, but its pattern of synthesis and release may be important in the conveyance of photoperiodic effects. No support for the assumption that the site of action of melatonin is the pineal itself has been found in experiments with pinealectomized animals. |
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LoNNe @ christopher.kyba @ |
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424 |
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