Survey of Grauer's gorillas (Gorilla gorilla graueri) and eastern chimpanzees (Pan troglodytes schweinfurthi) in the Kahuzi-Biega National Park lowland sector and adjacent forest in eastern Democratic Republic of Congo

International Journal of Primatology

Volumn 19, Issue 2, 1998, Pages 207-235

  Hall, Jefferson S ^a,d   White, Lee J T ^a   Inogwabini, Bila Isia ^a   Omari, Ilambu ^b   Morland, Hilary Simons ^a   Williamson, Elizabeth A ^c   Saltonstall, Kristin ^d   Walsh, Peter ^e   Sikubwabo, Claude ^b   Bonny, Dumbo ^f   Kiswele, Kaleme Prince ^f   Vedder, Amy ^a   Freeman, Kathy ^a  

^a WILDLIFE CONSERVATION SOCIETY   (United States)

^b Inst Congolais Pour la C   (Congo)

^c UNIVERSITY OF STIRLING   (United Kingdom)

^d Yale School of the Environment   (United States)

^e DIVISION OF INVERTEBRATE ZOOLOGY   (United States)

^f Ctr de Rech des Sci Naturelles   (Congo)

Author keywords

Chimpanzee; Conservation; Democratic Republic of Congo; Grauer's gorilla; Survey

Indexed keywords

CHIMPANZEE; EASTERN CHIMPANZEE; GORILLA; GRAUER'S GORILLA; MAMMAL SURVEY; POPULATION ESTIMATION;

(DEMOCRATIC REPUBLIC); CONGO;

GORILLA GORILLA; GORILLA GORILLA GRAUERI; PAN TROGLODYTES; PAN TROGLODYTES SCHWEINFURTHI;

EID: 7144223398     PISSN: 01640291     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1020375430965     Document Type: Article

References (47)

1. Aveling, C., and Aveling, R. (1987). Report from the Zaire gorilla conservation project. Primate Conserv. 8: 162-164.
2. Aveling, C., and Harcourt, A. H. (1984). A census of the Virunga gorillas. Oryx 18: 8-13.
3. Barnes, R. F. W., and Barnes, K. L. (1992). Estimating decay rates of elephant dung piles in forest. Afr. J. Ecol. 30: 316-321.
4. Barnes, R. F. W., and Jensen, K. L. (1987). How to count elephants in forests. IUCN Afr. Elephant Rhino Special. Group Tech. Bull. 1: 1-6.
5. Basabose, K., Mbake, S., and Yamagiwa, J. (1995). Research and conservation of eastern lowland gorillas in the Kahuzi-Biega National Park, Zaire. Gorilla Conserv. News 9: 11-12.
6. Buckland, S. T., Anderson, D. R., Burnham, K. P., and Laake, J. L. (1993). Distance Sampling: Estimating Abundance of Biological Populations, Chapman and Hall, London and New York.
7. Carroll, R. W. (1988). Relative density, range extension, and conservation potential of lowland gorilla (Gorilla gorilla gorilla) in the Dzanga-Sangha region of southwestern Central African Republic. Mammalia 52: 309-323.
8. East, R. 1996. Antelope Survey Update, Vol. 3, IUCN, Gland.
9. Emlen, J. T., and Schaller, G. B. (1960). Distribution and status of the mountain gorilla (Gorilla gorilla beringei) - 1959. Zoologica 45: 41-52.
10. Fay, J. M. (1989). Partial completion of a census of the lowland gorilla (Gorilla g. gorilla (Savage and Wayman)) in southwestern Central African Republic. Mammalia 53: 203-215.
11. Fay, J. M., and Agnagna, M. (1992). Census of gorillas in northern Republic of Congo. Am. J. Primatol. 27: 275-284.
12. Ghiglieri, M. P. (1984). The Chimpanzees of Kibale Forest: A Field Study of Ecology and Social Structure, Columbia University Press, New York.
13. Goodall, A. G. (1980). Pilot survey for conservation management of eastern gorillas in Zaire. Final Report, IUCN/WWF Project 1731.
14. Goodall, A. G., and Groves, C. P. (1977). The conservation of eastern gorillas. In Rainier, P., and Bourne, G. H. (eds.), Primate Conservation, Academic Press, New York, pp. 599-637.
15. Groom, A. F. (1973). Squeezing out the mountain gorilla. Oryx 12: 207-215.
16. Hall, J., and Wathaut, W. M. (1992). A Preliminary Survey of the Eastern Lowland Gorilla, Wildlife Conservation Society, New York.
17. Hall, J. S., Inogwabini, B. I., Williamson, E. A., Omari, I., Sikubwabo, C., and White, L. J. T. (1997). A survey of elephants (Loxodonta africana) in the Kahuzi-Biega National Park lowland sector in eastern Zaire. Afr. J. Ecol. 35: 213-223.
18. Hall, J., Saltonstall, K., Inogwabini, B. I., and Omari, I. (1998). Distribution, abundance, and conservation status of Grauer's gorilla Gorilla gorilla grauen. Oryx (in press).
19. Harcourt, A. H., and Groom, A. F. G. (1972). Gorilla census. Oryx 28: 59-70.
20. Harcourt, A. H., Fossey, D., and Sabater-Pi, J. (1981). Demography of Gorilla gorilla. J. Zool. Lond. 195: 215-233.
21. Harcourt, A. H., Stewart, K. J., and Inahoro, I. M. (1989). Nigeria's gorillas: A survey and recommendations. Primate Conserv. 10: 73-76.
22. Harris, D., Fay, J. M., and MacDonald, N. (1987). Report of gorillas from Nigeria. Primate Conserv. 8: 40.
23. Hart, J. A., and Sikubwabo, C. (1994). Exploration of the Maiko National Park of Zaire 1989-1992: History, Environment and the Distribution and Status of Large Mammals, Wildlife Conservation Society, New York.
24. Hashimoto, C. (1995). Population census of the chimpanzees in the Kalinzu Forest, Uganda: Comparison between methods with nest counts. Primates 36: 477-488.
25. Laake, J. L., Buckland, S. T., Anderson, D. R., and Burnham, K. P. (1994). DISTANCE User's Guide V2.1, Colorado Cooperative Fish and Wildlife Research Unit, Colorado State University, Fort Collins.
26. Marchesi, P., Marchesi, N., Fruth, B., and Boesch, C. (1995). Census and distribution of chimpanzees in Côte D'Ivoire. Primates 36: 591-607.
27. Merz, G. (1989). Etat actuel des éléphants et des gorilles dans le parc national de Kahuzi-Biega, Zaire. Raport dans le cadre du projet "IZCN - Conservation de la Nature intégrée au Zaire - est" PN 82.2130.1-01.200.
28. Murnyak, D. F. (1981). Censusing the gorillas in Kahuzi-Biega National Park. Biol. Conserv. 21: 163-176.
29. Mwanza, N., Maruhashi, T., Yumoto, T., and Yamagiwa, J. (1988). Conservation of eastern lowland gorillas in the Masisi region, Zaire. Primate Conserv. 9: 111-114.
30. Norton-Griffiths, M. (1978). Counting Animals, African Wildlife Foundation, Nairobi.
31. Plumptre, A. J., and Reynolds, V. (1996). Censusing chimpanzees in the Budongo Forest, Uganda. Int. J. Primatol. 17: 85-99.
32. Refisch, J. (1991). Presence des grands mammifères dans le Parc National de Kahuzi-Biega et l'influence humaine sur les populations des animaux. Rapport dans le cadre du Projet IZCN/GTZ - Conservation de la Nature Intégrée, l'Est Zaire.
33. Remis, M. J. (1993). Nesting behavior of lowland gorillas in the Dzanga-Sangha Reserve, Central African Republic: Implications for population estimates and understanding of group dynamics. Tropics 2: 245-255.
34. Schaller, G. B. (1963). The Mountain Gorilla, Ecology and Behavior, University of Chicago Press, Chicago.
35. Stromayer, A. K., and Ekobo, A. (1991). Biological Surveys of Southeastern Cameroon, Wildlife Conservation Society, New York.
36. Sugiyama, Y., and Soumah, A. G. (1988). Preliminary survey of the distribution and population of chimpanzees in the Republic of Guinea. Primates 29: 569-574.
37. Tutin, C., and Fernandez, M. (1984). Nationwide census of gorilla (Gorilla g. gorilla) and chimpanzee (Pan t. troglodytes) populations in Gabon. Am. J. Primatol. 6: 313-336.
38. Tutin, C. E. G., Parnell, R. J., White, L. J. T., and Fernandez, M. (1995). Nest building by lowland gorillas in the Lopé Reserve, Gabon: Environmental influences and implications for censusing. Int. J. Primatol. 16: 55-76.
39. Vedder, A. L. (1989). Ecology and Conservation of the Mountain Gorilla (Gorilla gorilla berengei), Ph.D. thesis, University of Wisconsin, Madison.
40. Weber, A. W., and Vedder, A. (1983). Population dynamics of the Virunga gorillas 1959-1978. Biol. Conserv. 26: 341-366.
41. White, L. J. T. (1994). Biomass of rain forest mammals in the Lopé Reserve, Gabon. J. Trop. Ecol. 63: 499-512.
42. Williamson, L., and Usongo, L. (1995). I. Survey of primate populations II. Survey of elephants, gorillas, and chimpanzees. Reserve de Faune du Dja, Cameroun. Report to Projet ECOFAC composante Cameroun and Ministère de l'Environnement, Cameroun.
43. Yamagiwa, J. (1983). Diachronic changes in two eastern lowland gorilla groups (Gorilla gorilla graueri) in the Mt. Kahuzi region, Zaire. Primates 24: 174-183.
44. Yamagiwa, J., Maruhashi, T., Yumoto, T., and Mwanza, N. (1989). A preliminary survey on sympatric populations of Gorilla gorilla graueri and Pan troglodytes schweinfurthi in eastern Zaire. In Interspecies Relationships of Primates in the Tropical and Montane Forests, Grant-in-Aid for Overseas Scientific Research Report, Japan Zaire Cooperative Studies of Primates, pp. 23-40.
45. Yamagiwa, J., Mwanza, N., Spangenberg, A., Maruhashi, T., Yumoto, T., Fischer, A., Steinhauer-Burkart, B., and Refisch, J. (1992a). Population density and ranging pattern of chimpanzees in Kahuzi-Biega National Park, Zaire: A comparison with a sympatric population of gorillas. Afr. Study Monogr. 13: 217-230.
46. Yamagiwa, J., Mwanza, N., Yumoto, T., and Maruhashi, T. (1992b). Travel distances and food habits of eastern lowland gorillas. In Itoigawa, N., Sugiyama, Y., Sackett, G. P., and Thompson, R. K. R. (eds.), Topics in Primatology, Vol. 2, University Tokyo Press, Tokyo, pp. 267-282.
47. Yamagiwa, J., Mwanza, N., Spangenberg, A., Maruhashi, T., Yumoto, T., Fischer, A., and Steinhauer-Burkart, B. (1993). A census of the eastern lowland gorillas Gorilla gorilla graueri in Kahuzi-Biega National Park with reference to mountain gorillas G. g. beringei in the Virunga Region, Zaire. Biol. Conserv. 64: 83-89.