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NUITFRANCE - Bibliothèque - Fiche bibliographique
Bibliothèque
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► Fiche bibliographique
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Document " Twilight spectral dynamics and the coral reef invertebrate spawning response "
Type de document : |
Articles de revue scientifique |
Thème du document : |
Nuit naturelle - Sens et orientation du vivant |
Groupe biologique : |
Poissons et invertébrés aquatiques |
Auteur(s) : |
SWEENEY A.M.
BOCH C.A.
JOHNSEN S.
MORSE D.E.
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Date de publication : |
2011 |
Langue : |
English/Anglais |
Nom du périodique : |
The Journal of Experimental Biology |
Précisions : |
Volume 214. Pages 770-777 |
Lien contenu/source : |
http://jeb.biologists.org/content/214/5/770 |
DOI : |
10.1242/jeb.043406 |
Mots-clefs : |
Color vision
Irradiance
Mass spawning
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Citation courte : |
Sweeney et al. (2011) |
Citation complète (format NuitFrance) : |
SWEENEY A.M., BOCH C.A., JOHNSEN S. & MORSE D.E. (2011). Twilight spectral dynamics and the coral reef invertebrate spawning response. The Journal of Experimental Biology. Volume 214. Pages 770-777. |
Résumé du document : |
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There are dramatic and physiologically relevant changes in both skylight color and intensity during evening twilight as the pathlength of direct sunlight through the atmosphere increases, ozone increasingly absorbs long wavelengths and skylight becomes increasingly blue shifted. The moon is above the horizon at sunset during the waxing phase of the lunar cycle, on the horizon at sunset on the night of the full moon and below the horizon during the waning phase. Moonlight is red shifted compared with daylight, so the presence, phase and position of the moon in the sky could modulate the blue shifts during twilight. Therefore, the influence of the moon on twilight color is likely to differ somewhat each night of the lunar cycle, and to vary especially rapidly around the full moon, as the moon transitions from above to below the horizon during twilight. Many important light-mediated biological processes occur during twilight, and this lunar effect may play a role. One particularly intriguing biological event tightly correlated with these twilight processes is the occurrence of mass spawning events on coral reefs. Therefore, we measured downwelling underwater hyperspectral irradiance on a coral reef during twilight for several nights before and after the full moon. We demonstrate that shifts in twilight color and intensity on nights both within and between evenings, immediately before and after the full moon, are correlated with the observed times of synchronized mass spawning, and that these optical phenomena are a biologically plausible cue for the synchronization of these mass spawning events.
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Saisie sur NuitFrance par : |
Rosor |
Saisie sur NuitFrance en : |
Octobre 2017 |
Identifiant NuitFrance : |
NF-BIBLI-1707 |
Permalien de la fiche NuitFrance : |
http://www.nuitfrance.fr/?page=donneesdoc&partie=fiche-bibliographique&id_doc=1707 |
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