Reference : The role of great apes in seed dispersal of the tropical forest tree species Dacryode...
Scientific journals : Article
Life sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/184430
The role of great apes in seed dispersal of the tropical forest tree species Dacryodes normandii (Burseraceae) in Gabon
English
Haurez, Barbara mailto [Université de Liège > Ingénierie des biosystèmes (Biose) > Laboratoire de Foresterie des régions trop. et subtropicales >]
Daïnou, Kasso mailto [Université de Liège > Ingénierie des biosystèmes (Biose) > Laboratoire de Foresterie des régions trop. et subtropicales >]
Tagg, Nikki mailto []
Petre, Charles-Albert mailto [Université de Liège - ULiège > > > Form. doct. sc. agro. & ingé. biol.]
Doucet, Jean-Louis mailto [Université de Liège > Ingénierie des biosystèmes (Biose) > Laboratoire de Foresterie des régions trop. et subtropicales >]
2015
Journal of Tropical Ecology
Cambridge University Press
31
05
395-402
Yes (verified by ORBi)
International
0266-4674
1469-7831
New York
NY
[en] Africa ; frugivory ; Gorilla gorilla gorilla ; logged forest ; Pan troglodytes troglodytes ; primates ; seed dispersal ; seed predation ; tropical rain forest
[en] The identification of seed dispersers and predators is essential to understand the effect of anthropogenic disturbances, and the associated defaunation process, on tropical forest dynamics in Central Africa. In this study, the animals involved in seed predation and dispersal of Dacryodes normandii (Burseraceae), an endozoochorously dispersed tree species endemic to Gabonese forests, were identified in a site in south-east Gabon using two complementary methods: direct observation and camera-trap monitoring of fruit piles. The combined sampling effort (172 h of direct observations and 796 d of camera trapping) led to the identification of six disperser and eight predator species of D. normandii seeds. With high frequency of consumption (88% and 57% of their visits, respectively) and long visit duration (83 and 23 min, respectively), the western lowland gorilla and central chimpanzee were identified as the main dispersers of this species. Seeds passed through the gorilla gut exhibited high germination success (68%). Rodents were identified as predators of D. normandii seeds, potentially displaying rare secondary dispersal through scatter-hoarding. The results of this study highlight the importance of great apes in the seed dispersal of this tree species.
http://hdl.handle.net/2268/184430

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