Bwindi Impenetrable National Park, Uganda: gorilla census 1997

Bwindi Impenetrable National Park in south-west Uganda supports a population of gorillas that has become the primary gorilla population for tourism following the genocide in Rwanda. Previous estimates made in the early 1990s indicated that the population numbered around 300 individuals. The census r...

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Bibliographic Details
Published in:Oryx 2001-01, Vol.35 (1), p.39-47
Main Authors: McNeilage, Alastair, Plumptre, Andrew J., Brock-Doyle, Andrew, Vedder, Amy
Format: Article
Language:English
Subjects:
Bwindi
Gorilla gorilla
gorillas
human impact
population size
Uganda
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Summary:Bwindi Impenetrable National Park in south-west Uganda supports a population of gorillas that has become the primary gorilla population for tourism following the genocide in Rwanda. Previous estimates made in the early 1990s indicated that the population numbered around 300 individuals. The census reported here was the first in Bwindi to use the method successfully developed in the Virungas, which utilizes a complete sweep across the park within a short period of time by a large number of teams working simultaneously. We estimated the population to be 292 individuals; to the best of our understanding – based on previous estimates – the population, therefore, appears to be stable. Most gorillas were found within the centre of the southern section of the park. It appears that there are some areas of unused habitat and, therefore, room for the population to grow. We found no clear relationship between gorilla distribution and human presence, but some forms of disturbance were more frequent and close to the edge of the park and may contribute to the gorillas' avoidance of these areas. The effects of human disturbance, including tourism, on the gorillas and other wildlife should be investigated in more detail and monitored over time. This is particularly important in multiple-use zones which have been established around the edges of the park for bee-keeping, collection of nontimber forest products, and tourism.
ISSN:0030-6053
1365-3008
DOI:10.1046/j.1365-3008.2001.00154.x