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Incubation environment affects phenotype of naturally incubated green turtle hatchlings
Glen, F.; Broderick, A.C.; Godley, B.J.; Hays, G.C. (2003). Incubation environment affects phenotype of naturally incubated green turtle hatchlings. J. Mar. Biol. Ass. U.K. 83(5): 1183-1186
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keywords
    Aquatic reptiles; Body size; Environmental effects; Hatcheries; Incubation; Temperature effects; Chelonia mydas (Linnaeus, 1758) [WoRMS]; AS, South Atlantic [Marine Regions]; ASE, Ascension I. [Marine Regions]; MED, Cyprus [Marine Regions]; Marine

Authors  Top 
  • Glen, F.
  • Broderick, A.C.
  • Godley, B.J.
  • Hays, G.C.

Abstract
    A comparison of body size and flipper size was carried out on green turtle Chelonia mydas) hatchlings produced from natural nests at two beaches on Ascension Island, South Atlantic and one beach in northern Cyprus in the Mediterranean (N = 18 nests; N = 180 hatchlings). Hatchlings from Ascension Island were significantly larger and heavier than hatchlings in Cyprus, a likely consequence of maternal size effects. Incubation temperature appeared to influence body size of hatchlings on Ascension Island with higher temperatures producing smaller hatchlings. Both hind and fore-flipper area scaled positively with body size. In proportion to body size, hind-flipper area appears relatively consistent among the Atlantic populations but is smaller than hatchlings measured in Hawaii.

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