La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Island shape, size, and isolation affect nest-site selection by Little Terns
Auteurs :	Perri Eason, Auteur ; Bassim Rabea, Auteur ; Omar Attum, Auteur
Type de document :	Article
Dans :	Journal of Field Ornithology (83(4) DEC 2012)
Article en page(s) :	372-380
Langues:	Anglais
Résumé :	Populations of many seabirds and other species that nest along coasts are declining due to habitat degradation and loss. An improved understanding of the species-specific factors that determine nest density across a landscape is therefore critical for conservation efforts. We examined factors that affected the density (number per hectare) and abundance (number at a sampling site) of nests of Little Terns (Sternula albifrons) on the Sinai Peninsula, Egypt. Terns preferred to nest on islands rather than the mainland, with islands constituting 64% of the area surveyed, but containing 99% of the 439 tern nests we found. Nest densities were highest on islands that were small, located at moderate distances from the mainland, and irregularly shaped or elongated. Most nests (69%) were on islands with areas

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