Les services écologiques des bonobos (Pan paniscus)

Survival of Afrotropical primary forests depends not only on habitat protection but also on the protection of animal species such as frugivorous primates, recognized as the most important seed dispersers for many plants. Here we investigate seed-dispersal services by the bonobo (Pan paniscus) in an...

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Main Authors: David Beaune, François Bretagnolle, Loïc Bollache, Chloé Bourson, Gottfried Hohmann, Barbara Fruth
Format: Article
Language:English
Published: Société Francophone de Primatologie 2014-03-01
Series:Revue de Primatologie
Subjects:
Online Access:https://journals.openedition.org/primatologie/1641
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author David Beaune
François Bretagnolle
Loïc Bollache
Chloé Bourson
Gottfried Hohmann
Barbara Fruth
author_facet David Beaune
François Bretagnolle
Loïc Bollache
Chloé Bourson
Gottfried Hohmann
Barbara Fruth
author_sort David Beaune
collection DOAJ
description Survival of Afrotropical primary forests depends not only on habitat protection but also on the protection of animal species such as frugivorous primates, recognized as the most important seed dispersers for many plants. Here we investigate seed-dispersal services by the bonobo (Pan paniscus) in an evergreen lowland tropical rain forest of the Congo Basin. In the long-term research site of LuiKotale, we investigated food habits and seed processing based on 22 mo of behavioural observation, seed trial experiment and long-term daily GPS tracking of a habituated ape community. Bonobos were mainly frugivores (66% of all feeding sessions), spending about 3.5 h d-1 swallowing seeds that were transported for an average of 24 h in the gut. On average, an individual bonobo dispersed 172 kg y-1of seeds (or 220,000 seeds y-1) of more than 91 plant species by endozoochory over an average distance of 1.2 km from the parent tree. Passed seeds germinated more rapidly, more successfully and had greater post-dispersal survival than unpassed seeds. Bonobo-dispersed plants accounted for 40% of tree species and 65% of individual trees in the study site (12 1-ha plots census). Since bonobos show little functional overlap with other frugivores, the loss of their seed-dispersal services is likely to affect forest structure and dynamics. Our results justify description of the threatened bonobo as a gardener of the Congo forest.
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spelling doaj-art-b9fe45a56e69406a89138ad3f0f3572a2025-01-30T10:02:25ZengSociété Francophone de PrimatologieRevue de Primatologie2077-37572014-03-01510.4000/primatologie.1641Les services écologiques des bonobos (Pan paniscus)David BeauneFrançois BretagnolleLoïc BollacheChloé BoursonGottfried HohmannBarbara FruthSurvival of Afrotropical primary forests depends not only on habitat protection but also on the protection of animal species such as frugivorous primates, recognized as the most important seed dispersers for many plants. Here we investigate seed-dispersal services by the bonobo (Pan paniscus) in an evergreen lowland tropical rain forest of the Congo Basin. In the long-term research site of LuiKotale, we investigated food habits and seed processing based on 22 mo of behavioural observation, seed trial experiment and long-term daily GPS tracking of a habituated ape community. Bonobos were mainly frugivores (66% of all feeding sessions), spending about 3.5 h d-1 swallowing seeds that were transported for an average of 24 h in the gut. On average, an individual bonobo dispersed 172 kg y-1of seeds (or 220,000 seeds y-1) of more than 91 plant species by endozoochory over an average distance of 1.2 km from the parent tree. Passed seeds germinated more rapidly, more successfully and had greater post-dispersal survival than unpassed seeds. Bonobo-dispersed plants accounted for 40% of tree species and 65% of individual trees in the study site (12 1-ha plots census). Since bonobos show little functional overlap with other frugivores, the loss of their seed-dispersal services is likely to affect forest structure and dynamics. Our results justify description of the threatened bonobo as a gardener of the Congo forest.https://journals.openedition.org/primatologie/1641africaCongo basinforest ecologylong-distance dispersalseed dispersalseed rain
spellingShingle David Beaune
François Bretagnolle
Loïc Bollache
Chloé Bourson
Gottfried Hohmann
Barbara Fruth
Les services écologiques des bonobos (Pan paniscus)
Revue de Primatologie
africa
Congo basin
forest ecology
long-distance dispersal
seed dispersal
seed rain
title Les services écologiques des bonobos (Pan paniscus)
title_full Les services écologiques des bonobos (Pan paniscus)
title_fullStr Les services écologiques des bonobos (Pan paniscus)
title_full_unstemmed Les services écologiques des bonobos (Pan paniscus)
title_short Les services écologiques des bonobos (Pan paniscus)
title_sort les services ecologiques des bonobos pan paniscus
topic africa
Congo basin
forest ecology
long-distance dispersal
seed dispersal
seed rain
url https://journals.openedition.org/primatologie/1641
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AT francoisbretagnolle lesservicesecologiquesdesbonobospanpaniscus
AT loicbollache lesservicesecologiquesdesbonobospanpaniscus
AT chloebourson lesservicesecologiquesdesbonobospanpaniscus
AT gottfriedhohmann lesservicesecologiquesdesbonobospanpaniscus
AT barbarafruth lesservicesecologiquesdesbonobospanpaniscus