The significance of diurnal terrestrial emergency of green turtles (Chelonia mydas) in the Gal?pagos Archipelago

Biotropica
By:  and 

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Abstract

The diurnal, nonreproductive emergence of green turtles Chelonia mydas in Galapagos apparently occurs throughout the year on several islands. Turtles on beaches have cloacal temperatures that exceed temperatures of adjacent coastal waters. Basking turtles are predominately females. We hypothesize that females bask to accelerate digestion and fat build-up, necessary antecedents to egg production in reproductive periods. Basking turtles show a trend to clump among available beaches. Such behavior may be a response to microclimatic differences between beaches, although such differences were not apparent to us. The occurrence of thermoregulatory behavior in marine turtles in Galapagos may be a response to the cool waters of the Humboldt Current.

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Publication type Article
Publication Subtype Journal Article
Title The significance of diurnal terrestrial emergency of green turtles (Chelonia mydas) in the Gal?pagos Archipelago
Series title Biotropica
DOI 10.2307/2387653
Volume 15
Issue 4
Year Published 1983
Language English
Publisher Wiley
Contributing office(s) Patuxent Wildlife Research Center
Description 7 p.
First page 285
Last page 291
Country Ecuador
Other Geospatial Galapagos Archipelago
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