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A camera trap study of the cryptic, terrestrial guenon Cercopithecus lomamiensis in central Democratic Republic of Congo
Title
A camera trap study of the cryptic, terrestrial guenon Cercopithecus lomamiensis in central Democratic Republic of Congo.
Creator
McPhee, Steven G., Ayali, Pablo, Graduate College, Hart, John A., Detwiler, Kate M.
Abstract/Description
From October-December 2013, we conducted a camera trap study of the newly discovered primate species lesula, Cercopithecus lomamiensis, in the Lomami River Basin, DR Congo. The primary aim of the study was to examine how lesula fares in the presence of uncontrolled bushmeat hunting. We placed 41 camera traps inside a 4-km2 grid located in the Yawende community conservation area outside the proposed Lomami National Park LNP. We compared an analysis of 72 lesula events over 842 camera trap days...
Show moreFrom October-December 2013, we conducted a camera trap study of the newly discovered primate species lesula, Cercopithecus lomamiensis, in the Lomami River Basin, DR Congo. The primary aim of the study was to examine how lesula fares in the presence of uncontrolled bushmeat hunting. We placed 41 camera traps inside a 4-km2 grid located in the Yawende community conservation area outside the proposed Lomami National Park LNP. We compared an analysis of 72 lesula events over 842 camera trap days from the heavily hunted Yawende site to a pilot camera trap study 38 lesula events over 462 camera trap days at the Losekola study site within the LNP. Our data show an unexpected result: capture probability of lesula 0.08 is the same at both the hunted and non-hunted sites. This is in contrast to the sharp decline in capture probability of all other medium to large terrestrial mammals at the Yawende site. These findings suggest lesula’s cryptic behavior is an important adaptation buffering the species from the impact of hunting. However, hunting pressure on lesula may increase in the near future as hunters adjust effort in response to the decline of less cryptic prey species. Our study also expands knowledge on lesula’s diet, group composition, minimum group size, phenotypic traits, and home range. These findings represent the first new data on lesula since its discovery.
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Date Issued
2014
PURL
http://purl.flvc.org/fau/fd/FA00005157
Format
Document (PDF)
Lesula: A New Species of Cercopithecus Monkey Endemic to the Democratic Republic of Congo and Implications for Conservation of Congo’s Central Basin
Title
Lesula: A New Species of Cercopithecus Monkey Endemic to the Democratic Republic of Congo and Implications for Conservation of Congo’s Central Basin.
Creator
Hart, John A., Detwiler, Kate M., Gilbert, Christopher C., Burrell, Andrew S., Fuller, James L., Emetshu, Maurice, Hart, Terese B., Vosper, Ashley, Sargis, Eric J., Tosi, Anthony J., Turvey, Samuel T.
Abstract/Description
In June 2007, a previously undescribed monkey known locally as ‘‘lesula’’ was found in the forests of the middle Lomami Basin in central Democratic Republic of Congo (DRC). We describe this new species as Cercopithecus lomamiensis sp. nov., and provide data on its distribution, morphology, genetics, ecology and behavior. C. lomamiensis is restricted to the lowland rain forests of central DRC between the middle Lomami and the upper Tshuapa Rivers. Morphological and molecular data confirm that...
Show moreIn June 2007, a previously undescribed monkey known locally as ‘‘lesula’’ was found in the forests of the middle Lomami Basin in central Democratic Republic of Congo (DRC). We describe this new species as Cercopithecus lomamiensis sp. nov., and provide data on its distribution, morphology, genetics, ecology and behavior. C. lomamiensis is restricted to the lowland rain forests of central DRC between the middle Lomami and the upper Tshuapa Rivers. Morphological and molecular data confirm that C. lomamiensis is distinct from its nearest congener, C. hamlyni, from which it is separated geographically by both the Congo (Lualaba) and the Lomami Rivers. C. lomamiensis, like C. hamlyni, is semi-terrestrial with a diet containing terrestrial herbaceous vegetation. The discovery of C. lomamiensis highlights the biogeographic significance and importance for conservation of central Congo’s interfluvial TL2 region, defined from the upper Tshuapa River through the Lomami Basin to the Congo (Lualaba) River. The TL2 region has been found to contain a high diversity of anthropoid primates including three forms, in addition to C. lomamiensis, that are endemic to the area. We recommend the common name, lesula, for this new species, as it is the vernacular name used over most of its known range.
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Date Issued
2012-09-12
PURL
http://purl.flvc.org/fau/fd/FAUIR000013
Format
Citation