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Diversité et abondance des oiseaux marins des atolls d’Entrecasteaux (parc naturel de la mer de Corail) estimées à partir de missions ponctuelles effectuées ces deux dernières décennies

Abstract : Species richness and abundance of seabirds of the d’Entrecasteaux atolls in the Coral Sea are presented, based on 15 expeditions made in the warm season during the period 2002-2018. Four-teen species including 13 breeding (wedge-tailed shearwater Ardenna pacifica, red-tailed tropicbird Phaethon rubricauda, masked booby Sula dactylatra, brown booby S. leucogaster, red-footed booby S. sula, lesser frigatebird Fregata ariel, great frigatebird F. minor, black noddy Anous minutus, brown noddy A. stolidus, bridled tern Onychoprion anaethetus, sooty tern O. fuscatus, greater crested tern Thalasseus bergii, and black-naped tern Sterna sumatrana) and one with uncertain breeding status (fairy tern Sternula nereis) were censused during. Wedge-tailed shearwater abundance was estimat-ed from burrow density values by habitat type. The abundances of wedge-tailed shearwater and sooty tern reached tens of thousands of breeding pairs; those of brown booby, red-footed booby, lesser frigatebird and the two noddies reached a few thousand; those of masked booby, great frigatebird and greater crested tern reached a few hundred; those of black-naped tern and bridled tern, a few tens; the total number of red-tailed tropicbird did not exceed a dozen breeding pairs. The importance of d’Entrecasteaux atolls for the conservation of seabirds in the Coral Sea is here confirmed.
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https://hal.ird.fr/ird-03407299
Contributor : Philippe Borsa Connect in order to contact the contributor
Submitted on : Saturday, December 4, 2021 - 11:34:11 PM
Last modification on : Thursday, January 27, 2022 - 10:38:25 AM

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Philippe Borsa, Alice Philippe, Aubert Le Bouteiller. Diversité et abondance des oiseaux marins des atolls d’Entrecasteaux (parc naturel de la mer de Corail) estimées à partir de missions ponctuelles effectuées ces deux dernières décennies. [Rapport de recherche] Institut de recherche pour le développement (IRD). 2021. ⟨ird-03407299v2⟩

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