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Effect of ingestion by Drepanoptila holosericea (Columbidae) on the seed germination of Santalum austrocaledonicum (Santalaceae)

Tassin J., Barré N., Bouvet J.M.. 2008. Journal of Tropical Ecology, 24 (2) : p. 217-218.

DOI: 10.1017/S066467407004762

Santalum austrocaledonicum Vieill. (Santalaceae) is a small tree endemic to New Caledonia and Vanuatu, well-known for the highly priced aromatic oil of its heartwood (Nasi & Ehrhart 1996). In New Caledonia, sandalwood grows on Loyalty Islands, the Isle of Pines and Grande-Terre (Bottin et al. 2006). The tree produces single-seeded fleshy drupes, which turn dark-red at maturity. Sandalwood seeds are dormant because of their hard coat and germinate only on physical scarification, or after removing the coat (Chauvin & Ehrhart 1998). In natural habitats, such seeds need further processing to relieve dormancy and promote germination, within a period where there is a good chance of successful seedling establishment (Murdoch & Ellis 2000).

Mots-clés : santalum; germination; semence; biogéographie; oiseau; pigeon; interactions biologiques; nouvelle-calédonie; france; drepanoptila holosericea; santalum austrocaledonicum

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