PRELIMINARY STUDY ON Eidolon helvum (Kerr, 1792) POPULATION DYNAMIC IN COTE D’IVOIRE, WEST AFRICA
Journal Title: Journal of Experimental Biology and Agricultural Sciences - Year 2017, Vol 5, Issue 0
Abstract
Relationship survey between diet and population size variation with regards to Eidolon helvum (Kerr, 1792), a near-threatened species has been achieved from August 2007 to July 2008 in the Commune of Plateau in Abidjan (Cote d’Ivoire; Western Africa). Indeed, perched bats count and excrement collection under daily dormitory have been performed with the purpose to evaluate E. helvum population size and dynamism (population variation) as well as to determine and/or discriminate the factors inducing that dynamism. E. helvum population in above mentioned experimental site, in relation to analyzed period (from August 2007 to July 2008) was estimated to 181384 ± 15013.26. Further, findings of present study suggested an increase in E. helvum population size from August to November, stabilization from November to February and reduction from March to July 2008. In addition, this study exhibited both food diversity (r=0.94; p ? 0.0001) and abundance (r=0.90; p ? 0.0001) as preponderant features influencing analyzed E. helvum population fluctuations. Food sources analysis revealed that E. helvum consumed Ficus exasperata Vahl (Moraceae) (r = 0.89; p < 0.0001), F. lutea Vahl (r = 0.86; p < 0,001) and F. polita (r=0.61; p< 0.05) as main food resources. In conclusion findings of present study evoked that season and as well both food diversity and abundance are significant parameters (p-value<0.05) which influenced E. helvum bats specie population dynamism.
Authors and Affiliations
Niamien Coffi jean Magloire, Kadjo Blaise, Dago Dougba Noel, Kone Inza, N’Goran Kouakou Eliézer
Keywords
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- EP ID EP427760
- DOI 10.18006/2017.5(6).890.898
- Views 75
- Downloads 0
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