Numbers of nesting frigatebirds, Fregata minor and F. ariel, on Aldabra Atoll nature reserve, Seychelles

Reville B.J. (1983) Numbers of nesting frigatebirds, Fregata minor and F. ariel, on Aldabra Atoll nature reserve, Seychelles. Biological Conservation, 27 1: 59-76. doi:10.1016/0006-3207(83)90006-X


Author Reville B.J.
Title Numbers of nesting frigatebirds, Fregata minor and F. ariel, on Aldabra Atoll nature reserve, Seychelles
Journal name Biological Conservation   Check publisher's open access policy
ISSN 0006-3207
Publication date 1983-01-01
Sub-type Article (original research)
DOI 10.1016/0006-3207(83)90006-X
Volume 27
Issue 1
Start page 59
End page 76
Total pages 18
Subject 1105 Dentistry
2303 Ecology
2309 Nature and Landscape Conservation
Abstract Aldabra Atoll, a strict Nature Reserve and major breeding station of lesser and greater frigatebirds, may be developed for tourism. Determining whether this affects the frigate breeding populations is complicated by their extended annual laying seasons and the biennial breeding periodicity of individuals rearing fledgelings. This study, using a census method incorporating adjustments for seasonal changes in nest numbers, changes in nest ownership and replacement laying, indicates that there are at least 4000 pairs of greater frigatebirds and 6000 pairs of lesser frigatebirds annually involved in breeding activities. There is some evidence that more male than female greater frigatebirds attempt to pair each season. Comparison with an earlier census suggests that severe human disturbance induces curtailment of laying seasons, major changes in nest distribution and prevents many birds from breeding.
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, 13:57:00 EST by System User