Blaise Kadjo

Blaise Kadjo
University "Félix Houphouët-Boigny" · Unité des biosciences

PhD

About

33
Publications
12,315
Reads
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566
Citations
Citations since 2016
18 Research Items
414 Citations
20162017201820192020202120220204060
20162017201820192020202120220204060
20162017201820192020202120220204060
20162017201820192020202120220204060
Additional affiliations
January 2000 - January 2014
University "Félix Houphouët-Boigny"
Position
  • Professor (Associate)

Publications

Publications (33)
Article
In this study, we collected 226 shrew specimens originating from 16 localities on the Guinean and Liberian sides of Mount Nimba. We surveyed all major vegetation zones from 400 to 1600 m above sea level (asl), including forest and savannah habitats. We recorded 11 species, whose identifications were confirmed by genetic analyses and classical morph...
Article
Members of the family Pteropodidae, also known as Old World fruit bats, are represented in Africa by 14 genera and 44 species. Here, we sequenced 67 complete mitochondrial genomes from African and Asian pteropodids to better understand the evolutionary history of the subfamily Rousettinae, which includes most of the African species. An increased fr...
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Tanoé-Ehy Swamp Forest (TESF) is one of the most valuable conservation sites in Ivory Coast. It harbours an exceptional biodiversity with numerous endangered plants and animals. Indeed, several recent studies have been carried out in TESF to consolidate judgment of its importance for conservation in Ivory Coast. These investigations have mentioned...
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To improve the knowledge of non-volant mammal diversity and conservation prospects in the Dodo Coastal Forest (DCF) in southwestern Côte d’Ivoire, we conducted reconnaissance surveys and interviews, and deployed remote cameras. We calculated visual encounter rates (vER) and sign ER (sER) of mammalian taxa and hunting signs, mapped their locations a...
Article
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RESUME La chauve-souris paillée Eidolon helvum (Kerr, 1792), est une espèce Quasi-Menacée, qui rend d'importants services écosystémiques nécessaires au bien-être de l'Homme. Cependant, son régime alimentaire n'est pas clairement établi, entre autres, du fait de ses moeurs nocturnes, qui rendent difficiles une telle étude. Pour pallier ce manque de...
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The spatiotemporal activities of straw-colored fruit bats, Eidolon helvum (Kerr, 1792) a near-threatened species has been studied in the Commune of Plateau in Abidjan from August 2012 to July 2013. The present survey carried out by direct observations aimed in monitoring the straw-colored fruits bats population with the purpose to discriminate thei...
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La population de chauves-souris à tête de marteau, Hypsignathus monstrosus H. Allen, 1861, de la commune du Plateau à Abidjan a été étudiée d’août 2003 à juillet 2004. Cette étude a été réalisée en procédant à des reconnaissances de vocalisation et des comptages des mâles aux pieds d’arbres en vue d’identifier les sites d’appels sexuels et de déter...
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The impacts of the degradation of sleeping sites on the population size of the straw-colored fruit bats, Eidolon helvum (Kerr, 1792), a near-threatened species was carried out in the Plateau Commune from August 2005 to July 2006. Bats were counted in sleeping trees thanks to binoculars and a manual counter before and after the landscape shaping act...
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A terrestrial small mammal species survey was carried out in the Taï National Park from March to June 2010, using Sherman's live traps and pitfall traps. The aim of the study was to determine the diversity and distribution of rodents and shrews in three different habitats: primary, secondary and swamp forests. During the study period, 263 terrestri...
Article
The bushbuck is the most widespread bovid species in Africa. Previous mitochondrial studies have revealed a polyphyletic pattern suggesting the possible existence of two distinct species. To assess this issue, we have sequenced 16 nuclear genes and one mitochondrial fragment (cytochrome b gene + control region) for most species of the tribe Tragela...
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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 (Côte d’Ivoire; Western Africa). Indeed, perched bats count and excrement collection under daily dormitory have been performed with...
Article
Full-text available
The straw-colored fruit bats population, Eidolon helvum (Kerr, 1792), a near-threatened species has been studied from August 2005 to July 2006 in the District of Plateau in Abidjan. That study has been carried out through direct observations and reckoning of tree used by straw-colored bats as roosts in the dormitory site in order to establish the h...
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Both Ebolavirus and Marburgvirus were detected in several fruit bat species of the family Pteropodidae, suggesting that this taxon plays a key role in the life cycle of filoviruses. After four decades of Zaire Ebolavirus (ZEBOV) outbreaks in Central Africa, the virus was detected for the first time in West Africa in 2014. To better understand the r...
Research
Muridae, Malacomys edwardsi, Geographic variation, Traditional morphometric, Côte d’Ivoire
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New records of the endemic semi-aquatic Nimba Otter Shrew Micropotamogale lamottei (Tenrecidae, Potamogalinae) were obtained during recent Environmental Impact Assessments (EIAs) in Liberia. We discuss the future of this Evolutionary Distinct and Globally Endangered (EDGE) species in the face of large-scale landscape transformations. In an attempt...
Article
Tropical West Africa has a high diversity of bats, which are relatively poorly studied. In this baseline biodiversity assessment of bats in the Simandou Mountain Range of southeastern Guinea (Guinea Forestière), 312 individual bats belonging to 26 species were captured, four of which represent new species records for the country. Combined with the...
Article
Full-text available
Tropical West Africa has a high diversity of bats, which are relatively poorly studied. In this baseline biodiversity assessment of bats in the Simandou Mountain Range of southeastern Guinea (Guinea Forestière), 312 individual bats belonging to 26 species were captured, four of which represent new species records for the country. Combined with the...
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Full-text available
The hypothesis of Pleistocene forest refugia was tested using comparative phylogeography of Scotonycterini, a fruit bat tribe endemic to Africa containing four species: Scotonycteris zenkeri, Casinycteris argynnis, C. campomaanensis, and C. ophiodon. Patterns of genetic structure were assessed using 105 Scotonycterini (including material from three...
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Objective: This study examined the intra-specific cranial morphometric variability between populations of Malacomys edwardsi from three distinct localities in Côte d'Ivoire. Methodology and results: The data set focused on 23 cranial measurements recorded on 158 skulls of M. edwardsi from Adiopodoumé (n = 43), Bolo (n = 34) and Taï (n = 81). Sexual...
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The recent discovery of genetically distinct hantaviruses in multiple species of shrews and moles prompted a further exploration of their host diversification by analyzing frozen, ethanol-fixed and RNAlater®-preserved archival tissues and fecal samples from 533 bats (representing seven families, 28 genera and 53 species in the order Chiroptera), ca...
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The Soubre region was known to be a biodiversity hotspot as located in the Upper Guinean forest. However few decades ago, this zone faces human pressure. We conducted bushmeat and foot surveys to assess the wild animal species that have escaped from the human pressure. Our results shown that just few mammal species involved in the game are sold in...
Article
Le Parc National du Banco,forêt sempervirente à l’intérieure de la capitale économique de la Côte d’ivoire a toujours constitué une curiosité. Dans la période du 11 avril 2013 au 19 avril 2013 nous avons effectué dans cette forêt un inventaire des mammifères. Les méthodes utilisées sont celles des transects linéaires pour les grands mammifères et l...
Article
Coastal primary rainforests have suffered damage in Côte d'Ivoire as a result of a lack of protection and urban pressures. Consequently, the highly endemic and critically endangered Wimmer's shrew, Crocidura wimmeri, known only from its type locality, Adiopodoumé, near Abidjan, was considered to have been extinct since 1976. Shrew species assignmen...
Article
This study investigated the small mammal community of the periurban Banco National Park (34 km(2)), Abidjan, Cote d'Ivoire, using identical numbers of Sherman and Longworth traps. We aimed to determine the diversity and distribution of rodents and shrews in three different habitats: primary forest, secondary forest and swamp. Using 5014 trap-nights...
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The Crocidura obscurior or West African pygmy shrew complex is endemic to West African forests from south-eastern Guinea, eastern Liberia, southern Cote d ^ ’Ivoire and southwestern Ghana. We explore the genetic and morphometric diversity of 239 individuals of the C. obscurior complex from 17 localities across its geographical range. Using genetic...
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New bats were recorded from various habitats on the Guinean side of Mount Nimba during two surveys in 2008 and coupled with a cytotaxonomic survey. A total of 152 specimens comprising 15 species in 12 genera from five families were collected, of which 13 individuals were karyotyped. The most numerous species was Rhinolophus guineensis followed by f...
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The tribe Myonycterini comprises five fruit bat species of the family Pteropodidae, which are endemic to tropical Africa. Previous studies have produced conflicting results about their interspecific relationships. Here, we performed a comparative phylogeographic analysis based on 148 complete cytochrome b gene sequences from the three species distr...
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Recently identified hantaviruses harbored by shrews and moles (order Soricomorpha) suggest that other mammals having shared ancestry may serve as reservoirs. To investigate this possibility, archival tissues from 213 insectivorous bats (order Chiroptera) were analyzed for hantavirus RNA by RT-PCR. Following numerous failed attempts, hantavirus RNA...
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Tanganya virus (TGNV), the only shrew-associated hantavirus reported to date from sub-Saharan Africa, is harbored by the Therese's shrew (Crocidura theresae), and is phylogenetically distinct from Thottapalayam virus (TPMV) in the Asian house shrew (Suncus murinus) and Imjin virus (MJNV) in the Ussuri white-toothed shrew (Crocidura lasiura). The ex...

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