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NUITFRANCE - Bibliothèque - Fiche bibliographique
Bibliothèque
Cette rubrique recense :
- de la documentation sur les différents thèmes de la nuit (vie nocturne, pollution lumineuse, pollution sonore, ...).
- les données informatiques relatives à l'éclairage public digitalisées et mises à dispositions en open data par certaines communes,
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► Fiche bibliographique
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Document " Effects of light pollution on seasonal estrus and daily rhythms in a nocturnal primate "
Type de document : |
Articles de revue scientifique |
Thème du document : |
Nuit menacée - Lumière artificielle - Impacts sur les rythmes biologiques |
Groupe biologique : |
Mammifères hors humains et chauves-souris |
Auteur(s) : |
LETALLEC T. THÉRY M. PERRET M.
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Date de publication : |
Avril 2015 |
Langue : |
Français/French |
Nom du périodique : |
Journal of Mammalogy |
Précisions : |
Volume 96. Numéro 2. Pages 438-445 |
Lien contenu/source : |
http://jmammal.oxfordjournals.org/content/96/2/438 |
DOI : |
10.1093/jmammal/gyv047 |
Mots-clefs : |
Artificial light Biological rhythms Core temperature Estrus Locomotor activity Mammal Microcebus murinus Mouse lemur Reproduction
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Citation courte : |
Letallec et al. (2015) |
Citation complète (format NuitFrance) : |
LETALLEC T., THÉRY M. & PERRET M. (2015). Effects of light pollution on seasonal estrus and daily rhythms in a nocturnal primate. Journal of Mammalogy. Volume 96. Numéro 2. Pages 438-445. |
Résumé du document : |
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Mammals use variations in the length of day to anticipate environmental changes and time their reproduction. Light pollution, which affects day length perception, could lead to changes in biological functions. To explore the effects of light pollution on seasonal reproduction, we conducted an experimental study on a strict long-day breeder, the nocturnal gray mouse lemur (Microcebus murinus). Twelve females were randomly exposed to either a moonlight treatment or a light pollution treatment for 5 weeks during the transition from a short- to long-day photoperiod. Daily rhythms of locomotor activity and core temperature were recorded, and the occurrence of estrus and urinary 17-B-estradiol concentrations were monitored. In females exposed to light pollution, the first seasonal estrus occurred while they were still in a short-day photoperiod, 2 weeks earlier than in females exposed to moonlight. Moreover, the daily rhythms profiles of females exposed to light pollution showed significant changes that mimicked long-day acclimatization. This study demonstrates that light pollution can affect daily rhythms and the timing of seasonal estrus in a primate and suggests that functional changes in the circadian system may underlie the adverse effects of light pollution that are observed in wildlife.
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Saisie sur NuitFrance par : |
Rosor |
Saisie sur NuitFrance en : |
Mai 2015 |
Identifiant NuitFrance : |
NF-BIBLI-1225 |
Permalien de la fiche NuitFrance : |
http://www.nuitfrance.fr/?page=donneesdoc&partie=fiche-bibliographique&id_doc=1225 |
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