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Ground Night Nesting in Chimpanzees: New Insights from Central Chimpanzees (Pan troglodytes troglodytes) in South-East Cameroon. Koninklijke Maatschappij voor Dierkunde van Antwerpen
Some chimpanzee populations exhibit ground night nesting, which occurs in different habitat types, is driven by a variety of interconnected factors, and may reflect cultural or social differences. This has important implications for ape conservation management, given that accurate nest builder identification is required to estimate density, crucial in monitoring, and allows inferences about environmental and social factors that may have ...
The effects of research presence and human settlements on the distribution of central chimpanzees and western lowland gorillas in southeast Cameroon Koninklijke Maatschappij voor Dierkunde van Antwerpen
Ecological factors such as predation can cause a shift in habitat utilization by inducing fear in prey species. Humans who are more and more present in almost all natural areas may incur similar effects and are therefore now considered super predators. Hence, it is crucial to determine how human presence can modify the distribution of animal species. We applied this study to sympatric great apes (Gorilla gorilla gorilla and Pan troglodytes ...
The Influence of Transect Use by Local People and Reuse of Transects for Repeated Surveys on Nesting in Western Lowland Gorillas (Gorilla gorilla gorilla) and Central Chimpanzees (Pan troglodytes troglodytes) in Southeast Cameroon Koninklijke Maatschappij voor Dierkunde van Antwerpen
Les plasmodiums des anthropoïdes de l'Afrique centrale et leurs relations avec les plasmodiums humains; réceptivité de l'homme au Plasmodium malariae (Plasmodium rodhaini Brumpt) du chimpanzé Instituut voor Tropische Geneeskunde
Phylogenetic analysis of a new chimpanzee lentivirus SIV cpz-gab2 from a wild-captured chimpanzee from Gabon Instituut voor Tropische Geneeskunde
Comparison of bonobo and chimpanzee brain microstructure reveals differences in socio-emotional circuits Universiteit Antwerpen
Despite being closely related, bonobos and chimpanzees exhibit several behavioral differences. For instance, studies indicate that chimpanzees are more aggressive, territorial, and risk-taking, while bonobos exhibit greater social tolerance and higher rates of socio-sexual interactions. To elucidate the potential neuroanatomical variation that accompanies these differences, we examined the microstructure of selected brain areas by quantifying ...
Sequence analysis of a highly divergent HIV-1-related lentivirus isolated from a wild captured chimpanzee Instituut voor Tropische Geneeskunde
Two strains of simian immunodeficiency viruses (SIV) isolated from chimpanzees (SIVCPZ-GAB and SIVCPZ-GAB2) originating from Gabon have previously been genetically characterized and shown to belong phylogenetically to the same lineage as the human immunodeficiency virus type 1 (HIV-1). We describe the sequence analysis of a third HIV-1-related virus, SIVCPZ-ANT, isolated from a wild captured chimpanzee originating from Zaire. This virus ...
Antibodies to V3 loop peptides derived from chimpanzee lentiviruses and the divergent HIV-1 ANT-70 isolate in human sera from different geographic regions Instituut voor Tropische Geneeskunde
OBJECTIVE: To study the spread of antibodies to V3 loop peptides of two chimpanzee lentiviruses and the divergent HIV-1ANT-70 isolate (group O) in human sera from different geographic regions, and to compare this with reactions to peptides from known North American (subtype B) and Zairean (subtype D) strains. METHODS: A total 2495 HIV-1-antibody-positive sera from nine countries were tested by enzyme-linked immunosorbent assay for antibodies to ...
The distribution of plant consumption traits across habitat types and the patterns of fruit availability suggest a mechanism of coexistence of two sympatric frugivorous mammals Koninklijke Maatschappij voor Dierkunde van Antwerpen
Understanding the mechanisms governing the coexistence of organisms is an important question in ecology, and providing potential solutions contributes to conservation science. In this study, we evaluated the contribution of several mechanisms to the coexistence of two sympatric frugivores, using western lowland gorillas (Gorilla gorilla gorilla) and central chimpanzees (Pan troglodytes troglodytes) in a tropical rainforest of southeast Cameroon ...