Balanites wilsoniana: Regeneration with and without elephants

Babweteera, Fred; Savill, P.; Brown, Nick

doi:10.1016/j.biocon.2006.08.002

Cited by 51 publications

(56 citation statements)

References 28 publications

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“…Balanites is a notable example of this effect. This species is believed to be dispersed exclusively by elephants (Babweteera et al 2007;Chapman et al 1992). In Budongo and Mabira where elephants have become extinct over the past few decades, there were no substitute dispersers of Balanites.…”

Section: Discussionmentioning

confidence: 98%

Can remnant frugivore species effectively disperse tree seeds in secondary tropical rain forests?

Babweteera

Brown

2008

Biodivers Conserv

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Section: Discussionmentioning

confidence: 98%

Can remnant frugivore species effectively disperse tree seeds in secondary tropical rain forests?

Babweteera

Brown

2008

Biodivers Conserv

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“…En outre, en protégeant l'habitat des éléphants de forêt, on ralentit le taux de déforestation (Feer, 1995 ;Babweteera et al, 2007).…”

Section: Implications Pour La Conservationunclassified

“…Pour que cette dissémination soit efficace, les agents de dispersion ne doivent pas nuire au pouvoir germinatif des graines et doivent les redistribuer à distance du pied parental, sur des sites favorables à leur germination et au développement consécutif des jeunes plants (Kouamé, 2000 ;Babweteera et al, 2007). L'éléphant (Loxodonta africana cyclotis) qui consomme des fruits et abandonne à de longues distances les graines dans ses laissées, est un exemple connu.…”

Section: Introductionunclassified

Le rôle de l’éléphant dans la germination des graines de Irvingia gabonensis (Irvingiaceae), Balanites wilsoniana (Balanitaceae), Parinari excelsa (Chrysobalanaceae) et Sacoglottis gabonensis (Humiriaceae) en forêt tropicale : cas du Parc National d’Azagn

Kouame¹,

Yao²,

Nandjui³

et al. 2011

International Journal of Biological and Chemical Sciences

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RESUMELes éléphants sont d'importants consommateurs de fruits des forêts tropicales africaines. Après défécation, leurs graines gardent leur pouvoir germinatif. Dans le Parc National d'Azagny, parmi les 94 espèces de plante dont les fruits sont consommés, Irvingia gabonensis, Balanites wilsoniana, Parinari excelsa et Sacoglottis gabonensis sont les plus appétées. L'effet de l'ingestion suivie de défécation sur la germination des graines a été analysé dans trois types de formations végétales. Le taux de germination des graines déféquées a été supérieur à celui des graines non ingérées placées dans les mêmes conditions. Irvingia gabonensis et Balanites wilsoniana ont montré un taux de germination plus élevé que les autres espèces dans les trois milieux considérés. Nous avons conclu qu'en favorisant la germination de certaines espèces, les éléphants jouent un rôle écologique important dans la régénération de ces espèces. Ce rôle est irremplaçable et important pour la conservation des espèces et des forêts qui les abritent.

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“…Recently, some studies have been using camera-traps for a various purpose, e.g. making a species list of large ground-dwelling mammals (Treves et al 2010); monitoring animals visiting "bai" (large forest clearings with mineral-rich soil and water) (Gessner et al 2014); estimating the relative and absolute abundance of animals such as leopards (Henschel et al 2011), or great apes and elephants (Head et al 2012, Nakashima et al 2013b; detecting rare monkeys (Coad et al 2010, Easton et al 2011 or golden cats (Aronsen 2010); monitoring die-off of large ungulates (Elkan et al 2009); and identifying seed disperser/predators (Babweteera et al 2007, Nyiramana et al 2011, Beaune et al 2012, Moupela et al 2013. Given that a lot of limitations have not been solved in conventional methods including direct sightings (e.g.…”

Section: Introductionmentioning

confidence: 99%

Inventorying medium- and large-sized mammals in the African lowland rainforest using camera trapping

Nakashima

2015

Tropics

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I compiled a list of medium-and large-sized mammals (excluding Rodentia) in Moukalaba-Doudou National Park, Gabon. Additionally, I evaluated the efficiency of camera trapping for inventorying these animals. I placed 125 camera traps (set to "video mode" ) in forest and savannah in the eastern regions of the park, and compared my data with visual and acoustic observational records from the study area since 1999. I confirmed the occurrence of 38 species (11 Primates, 13 Carnivora, nine Ungulates, and five other taxa). During 4165 camera-days, my camera traps detected 29 out of the 38 species (76 %), including 10 newly-recorded species in the study area. However, a high proportion of cameras (40 %) in savannah were destroyed by Loxodonta africana. Furthermore, using this technique, it was difficult to detect arboreal species. It was also difficult to discriminate morphologically similar species (Cephalophus spp., Phataginus spp., and Galago spp.) from the captured images. These species can be more appropriately detected by visual sighting, acoustic hearing, and molecular techniques, suggesting that a combination of these techniques may increase the inventory efficiency. The number of forest-dwelling herbivores was lower in Moukalaba than in four other sites at or near Gabon, possibly because of separation from large Pleistocene refuges by a natural boundary. Nevertheless, Moukalaba harbors two savannah-dwellers─Kobus ellipsiprymnus and Herpestes ichneumon─which inhabit only a few protected areas of Gabon. The forest is invading the savannah, and therefore there is a requirement for regular burning, which must be enforced to preserve the totality of the existing biodiversity.

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Balanites wilsoniana: Regeneration with and without elephants

Cited by 51 publications

References 28 publications

Can remnant frugivore species effectively disperse tree seeds in secondary tropical rain forests?

Can remnant frugivore species effectively disperse tree seeds in secondary tropical rain forests?

Le rôle de l’éléphant dans la germination des graines de Irvingia gabonensis (Irvingiaceae), Balanites wilsoniana (Balanitaceae), Parinari excelsa (Chrysobalanaceae) et Sacoglottis gabonensis (Humiriaceae) en forêt tropicale : cas du Parc National d’Azagn

Inventorying medium- and large-sized mammals in the African lowland rainforest using camera trapping

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