Diet of the Australian freshwater turtle Emydura krefftii (Chelonia: Chelidae), in an unproductive lentic environment

Georges A. (1982) Diet of the Australian freshwater turtle Emydura krefftii (Chelonia: Chelidae), in an unproductive lentic environment. Copeia, 2: 331-336.

Author Georges A.
Title Diet of the Australian freshwater turtle Emydura krefftii (Chelonia: Chelidae), in an unproductive lentic environment
Journal name Copeia   Check publisher's open access policy
ISSN 0045-8511
Publication date 1982-01-01
Sub-type Article (original research)
Open Access Status Not yet assessed
Issue 2
Start page 331
End page 336
Total pages 6
Subject 1103 Clinical Sciences
1104 Complementary and Alternative Medicine
1105 Dentistry
Abstract The abundance of Emydura krefftii in the nutrient-deficient dune lakes of Fraser Island, Australia, is explained in terms of the species' broad food habits and its ability to directly utilise foods of terrestrial origin. Small specimens of E. krefftii are carnivorous, relying principally on aquatic and terrestrial insects, and small crustaceans. As they grow, the turtles become omnivorous and eat larger varieties of insect and crustacean. The changes in diet with increasing turtle size are explained in terms of energetic efficiency, and by the fact that as the turtles grow, more robust food items become available to them. The diets of mature males and females of similar sizes do not differ appreciably.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 16 Aug 2016, 11:58:36 EST by System User