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NUITFRANCE - Bibliothèque - Fiche bibliographique
Bibliothèque
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Document " Impacts of coastal development on hawksbill hatchling survival and swimming success during the initial offshore migration "
Type de document : |
Articles de revue scientifique |
Thème du document : |
Nuit menacée - Lumière artificielle - Reproduction/Survie/Croissance |
Groupe biologique : |
Reptiles |
Auteur(s) : |
HAREWOOD A. HORROKS J.
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Date de publication : |
Février 2008 |
Langue : |
English/Anglais |
Nom du périodique : |
Biological conservation |
Précisions : |
Volume 141. Numéro 2. Pages 394–401 |
Lien contenu/source : |
http://www.sciencedirect.com/science/article/pii/S... |
DOI : |
10.1016/j.biocon.2007.10.017 |
Mots-clefs : |
Artificial light Moon phase Predation Sea turtle
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Citation courte : |
Harewood & Horroks (2008) |
Citation complète (format NuitFrance) : |
HAREWOOD A. & HORROKS J. (2008). Impacts of coastal development on hawksbill hatchling survival and swimming success during the initial offshore migration. Biological conservation. Volume 141. Numéro 2. Pages 394–401. |
Résumé du document : |
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The impacts of coastal development on survival and swimming success were investigated for hatchling hawksbill turtles (Eretmochelys imbricata) swimming away from artificially lighted and dark nesting beaches in Barbados. The overall predation rate was 6.9%. Predation rates were not significantly affected by offshore substrate type or beachfront lighting. However, of those hatchlings leaving lighted beaches that successfully escaped predation, a significantly smaller percentage (32.9%) were able to swim the prescribed distance seawards during the observation period. Moonlight significantly improved the swimming success of hatchlings leaving lighted beaches, particularly when the moon was full, but also significantly influenced predation rates, which were highest during the full moon (12.6%). Some hatchlings released from dark beaches were attracted by lights from neighbouring beaches, which only became visible after they were a substantial distance from shore. Artificial light may override the effects of wave cues in the low wave energy conditions characteristic of leeward Caribbean beaches, making swimming hawksbill hatchlings especially vulnerable to the effects of beachfront lighting.
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Saisie sur NuitFrance par : |
Rosor |
Saisie sur NuitFrance en : |
Septembre 2014 |
Identifiant NuitFrance : |
NF-BIBLI-450 |
Permalien de la fiche NuitFrance : |
http://www.nuitfrance.fr/?page=donneesdoc&partie=fiche-bibliographique&id_doc=450 |
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