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Green Turtle (Chelonia mydas (L.)) Nesting Activity at Aldabra Atoll

T. S. H. Gibson
Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
Vol. 286, No. 1011, The Terrestrial Ecology of Aldabra (Jul. 3, 1979), pp. 255-263
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/2418103
Page Count: 17
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Green Turtle (Chelonia mydas (L.)) Nesting Activity at Aldabra Atoll
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Abstract

Green turtle (Chelonia mydas) nesting activity was indirectly monitored at the nesting sites at Aldabra by counting turtle tracks and nest pits during 11 months. Nesting activity took place throughout the year but a prolonged peak season was observed on southwest coast beaches between July and October, and less consistent peaks were observed for other beaches in February and March and from May to August. Estimations based on track and pit counts suggest that about 700 turtles nested at Aldabra during the year. Although annual variations may occur, this is similar to earlier estimates and does not suggest any recent increase. The distribution of turtle emergences among nesting beaches suggests that beaches fall into distinct nesting areas that are utilized to different extents. The distribution of turtle emergences on the largest beach suggests that human settlements may be reducing nesting there.

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