Juichi Yamagiwa: List of publications (English)

Research articles

  1. Yamagiwa, J. (1983). Diachronic changes in two eastern lowland gorilla groups (Gorilla gorilla graueri) in the Mt. Kahuzi Region, Zaire. Primates 24(2): 174-183
  2. Harcourt, A.H., Kineman, J., Campbell, G., Yamagiwa, J., Redmond, I., Aveling, C., and Condiotti, M. (1983). Conservation and Virunga gorilla population. African. Journal of. Ecology, 21: 139-142
  3. Yamagiwa, J. (1985). Sociosexual factors of troop fission in wild Japanese monkeys () on Yakushima Island, Japan. Primates, 26(2): 105-120
  4. Yamagiwa, J. (1986). Activity rhythm and the ranging of a solitary male mountain gorilla (Gorilla gorilla beringei). Primates, 27(3): 273-282
  5. Yamagiwa, J. (1987). Intra- and inter-group interactions of an all-male group of Virunga mountain gorillas (Gorilla gorilla beringei). Primates, 28(1): 1-30
  6. Yamagiwa, J. (1987). Male life history and the social structure of wild mountain gorillas (Gorilla gorilla beringei). In: Evolution and Coadaptation in Biotic Communities, S. Kawano, J.H. Connell and T. Hidaka (eds.). University of Tokyo Press. pp. 31-51
  7. Yamagiwa, J., Yumoto, T., Mwanza, N. & Maruhashi, T. (1988). Evidence of tool-use by chimpanzees (Pan troglodytes schwenfurthii) for digging out a bee-nest in the Kahuzi-Biega National Park, Zaire. Primates, 29: 405-411
  8. Mwanza, N., Maruhashi, T., Yumoto, T. & Yamagiwa, J. (1988). Conservation of eastern lowland gorillas in the Masisi region, Zaire. Primate Conservation, 9: 111-114.
  9. Yamagiwa, J., Mwanza, N., Yumoto, T. & Maruhashi T. (1991). Ant eating by eastern lowland gorillas. Primates, 32: 247-253.
  10. Maruhashi, T., Yumoto, T., Yamagiwa, J. and Mwanza, N. (1991). Primate feeding behavior and seed dispersion in a tropical rain forest in Zaire. In: Primatology Today, A. Ehara, T. Kimura, O. Takenaka and M. Iwamoto (eds.), Elsevier Science Publishers, Amsterdam, pp. 123-124.
  11. Yamagiwa, J. & Goodall, A.G. (1992). Comparative socio-ecology and conservation of gorillas. In: Topics in Primatology Vol. 2: Behavior, Ecology, and Conservation, N. Itoigawa, Y. Sugiyama, G.P. Sackett, and R.K.R. Thompson (eds.), University of Tokyo Press, pp. 209-213.
  12. Yamagiwa, J., Mwanza, N., Yumoto, T. & Maruhashi T. (1992). Travel distances and food habits of eastern lowland gorillas: a comparative analysis. In: Topics in Primatology Vol. 2: Behavior, Ecology, and Conservation, N. Itoigawa, Y. Sugiyama, G.P. Sackett, and R.K.R. Thompson (eds.), University of Tokyo Press, pp. 267-281.
  13. Mwanza, N., Yamagiwa, N., Yumoto, T. & Maruhashi T. (1992). Distribution and range utilization of eastern lowland gorillas. In: Topics in Primatology Vol. 2: Behavior, Ecology, and Conservation, N. Itoigawa, Y. Sugiyama, G.P. Sackett, and R.K.R. Thompson (eds.), University of Tokyo Press, pp. 283-300.
  14. Yamagiwa, J. (1992). Functional analysis of social staring behavior in an all-male group of mountain gorillas. Primates, 33(4): 523-544.
  15. Yamagiwa, J., Mwanza, N., Spangenberg, A., Maruhashi, T., Yumoto, T., Fischer, A., Steinhauer-Burkart, B. & Refisch, J. (1992). Population density and ranging pattern of chimpanzees in Kahuzi-Biega National Park, Zaire: A comparison with a sympatric population of gorillas. African Study Monographs, 13(4): 217-230.
  16. Yamagiwa, J., Mwanza, N., Spangenberg, A., Maruhashi, T., Yumoto, T., Fischer, A. & Steinhauer, B.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. Biological Conservation, 64: 83-89.
  17. Yamagiwa, J., Yumoto, T., Maruhashi, T. and Mwanza, N. (1993). Field methodology for analyzing diets of eastern lowland gorillas in Kahuzi-Biega National Park, Zaire. Tropics, 2(4): 209-218.
  18. Mitani, M., Yamagiwa, J., Oko, R.A., Moutsambote, J.M., Yumoto, T. and Maruhashi, T. (1993). Approaches in density estimates and reconstruction of social groups in a western lowland gorilla population in the Ndoki Forest, Northern Congo. Tropics, 2(4): 219-229.
  19. Yamagiwa, J., Mwanza, N., Yumoto, T. and Maruhashi, T. (1994). Seasonal change in the composition of the diet of eastern lowland gorillas. Primates, 35: 1-14.
  20. Yumoto, T., Yamagiwa, J., Mwanza, N. and Maruhashi, T. (1994). List of plant species identified in Kahuzi-Biega National Park, Zaire. Tropics, 3(3/4): 295-308.
  21. Yamagiwa, J. and Mwanza, N. (1994). Day-journey length and daily diet of solitary male gorillas in lowland and highland habitats. International Journal of Primatology, 15(2): 207-224.
  22. Mankoto, M.O., Yamagiwa, J., Steinhauer-Burkart, B., Mwanza, N., Maruhashi, T. and Yumoto, T. (1994). Conservation of eastern lowland gorilla in the Kahuzi-Biega National Park, Zaire. In: Current Primatology, Vol. 1, Ecology and Evolution, B. Thierry, J.R. Anderson, J.J. Roeder and N. Herrenschmidt (eds.), Universite Louis Pasteur, Strasbourg, pp. 113-122.
  23. Yumoto, T., Yamagiwa, J., Asaoka, K., Maruhashi, T. & Mwanza, N. (1995). How and why has African Solanum chosen the elephants only as the seed disperser? Tropics, 4: 233-238.
  24. Yumoto, T., Maruhashi, T., Yamagiwa, J. & Mwanza, N. (1995). Seed-dispersal by elephants in a tropical forest in Kahuzi-Biega National Park, zaire. Biotropica, 27: 526-530.
  25. Yamagiwa, J., Maruhashi, T., Yumoto, T. & Mwanza, N. (1996). Dietary and ranging overlap in sympatric gorillas and chimpanzees in Kahuzi-Biega National Park, Zaire. In: Great Ape Societies, W.C. McGrew, L.F. Marchant & T. Nishida (eds.), Cambridge University Press, Cambridge, pp. 82-98.
  26. Yamagiwa, J., Angoue-Ovono, S., Kasisi, R. (1996). Densities of ape's food trees and primates in the Petit Loango Reserve, Gabon. African Study Monographs, 16(4): 181-193.
  27. Yamagiwa, J., Kaleme, K., Mwanga, M. & Basabose, AK. (1996). Food density and ranging patterns of gorillas and chimpanzees in the Kahuzi-Biega National Park, Zaire. Tropics, 6: 65-77.
  28. Basabose AK. & Yamagiwa, J. (1997). Predation on mammals by chimpanzees in the montane forest of Kahuzi, Zaire. Primates, 38: 45-55.
  29. Takahata, Y., Suzuki, S., Okayasu, N., Sugiura, H., Takahashi, H., Yamagiwa, J., Izawa, K., Agetsuma, N., Hill, D.A., Saito, C., Sato, S., Tanaka, T., Sprague, S. (1998). Does troop size of wild Japanese macaques influence birth rate and infant mortality in the absence of predator? Primates, 39: 245-51.
  30. Yamagiwa, J. & Hill, D. (1998). Intraspecific variation in the social organization of Japanese macaques: past and present scope of field studies in natural habitats. Primates, 39: 257-74.
  31. Saito, C., Sato, S., Suzuki, S., Sugiura, H., Agetsuma, N., Takahata, Y., Sasaki, C., Takahashi, H., Tanaka, T. & Yamagiwa, J. (1998). Aggressive intergroup encounters in two populations of Japanese macaques (Macaca fuscata). Primates, 39: 303-12.
  32. Takahata, Y., Suzuki, S., Agetsuma, N., Okayasu, N., Sugiura, H., Takahashi, H., Yamagiwa, J., Izawa, K., Furuichi, T., Hill, D.A., Maruhashi, T., Saito, C., Sato, C., Sprague, D.S. (1998). Reproduction of wild Japanese macaque females of Yakushima and Kinkazan islands: a preliminary report. Primates, 39: 339-350.
  33. Yamagiwa, J., (1999). Socioecological factors influencing population stucture of gorillas and chimpanzees. Primates, 40: 87-104.
  34. Takahata, Y., Huffman, M.A., Suzuki, S., Koyama, N. & Yamagiwa, J. (1999). Why dominants do not consistently attain high mating reproductive success: a review of longitudinal Japanese macaque studies. Primates, 40: 143-158.
  35. Domingo-Roura, X. & Yamagiwa, J. (1999). Monthly and Diurnal variations in food choice byMacaca fuscata yakui during the major fruiting season at Yakushima Island, Japan. Primates, 40: 525-536.
  36. Yamagiwa, J. & Kahekwa, J. (2001). Dispersal patterns, group structure and reproductive parameters of eastern lowland gorillas at Kahuzi in the absence of infanticide. In: Mountain gorillas, M. Robbins, P. Sicotte & K.J. Stewart (eds.), Cambridge University Press, Cambridge, pp. 89-122.
  37. Yamagiwa, J. (2001). Factors influencing the formation of ground nests by eastern lowland gorillas in Kahuzi-Biega National Park: some evolutionary implication of nesting behavior. Journal of Human Evolution, 40: 99-109.
  38. Inogwabini, B-I., Hall, J.S., Vedder, A., Curran, B.,Yamagiwa , J. & Basabose, AK. (2001). Status of larger mammals in the mountain sector of Kahuzi-Biega national Park, Democratic Republic of Congo, in 1996. African Journal of Ecology, 38: 269-276.
  39. Basabose, AK. & Yamagiwa, J. (2002). Factors affecting nesting site choice in chimpanzees at Tshibati, Kahuzi-Biega National Park: influence of sympatric gorillas. International Journal of Primatology, 23: 263-282.
  40. Yamagiwa, J., Basabose, AK., Kaleme, K. & Yumoto, T. (2003). Within-group feeding competition of gorillas in the Kahuzi-Biega National Park, Democratic Republic of Congo: a comparison with that of sympatric chimpanzees. In: Revisiting the Genus Gorilla, A.B. Taylor & M.L. Goldsmith (eds.), Cambridge University Press, pp. 328-357.
  41. Yamagiwa, J. (2003). Bush-meat poaching of larger mammals and the crisis of conservation in the Kahuzi-Biega National Park, Democratic Republic of Congo. Journal of Sustainable Forestry, 16: 115-135.
  42. Yamagiwa, J. (2003). Reconsideration of terminology for sociality and social relationships in natural science: First Movement. In: Linguistic Challenges in the Modern Sciences, T. Yokoyama & Y.S. Kim (eds.), The Institute for Research in Humanities, Kyoto University, Kyoto, pp. 45-52.
  43. Hashimoto, C., Suzuki, S., Takenoshita, Y., Yamagiwa, J., Basabose, AK. & Furuichi, T. (2003). How fruit abundance affects the chimpanzee party size: a comparison between four study sites. Primates, 44: 77-81.
  44. Nishimura, T., Okayasu, N., Hamada, Y., Yamagiwa, J. (2003). A case report of a novel type of stick use by wild chimpanzees. Primates, 44: 199-201.
  45. Yamagiwa, J., Kahekwa, J. & Basabose, AK. (2003). Intra-specific variation in social organization of gorillas: implications for their social evolution. Primates, 44: 359-369.
  46. Domingo-Roura, X, Marmi, J, Andres, O, Yamagiwa, J & Terradas, J. (2004). Genotyping from semen of wild Japanese macaques (Macaca fuscata). American Journal of Primatology, 62: 31-42.
  47. Yamagiwa, J. (2004). Diet and foraging of the great apes: ecological constraints on their social organizations and implications for their divergence. In: The Evolution of Thought: Evolutionary Origins of Great Ape Intelligence, A.E. Russon & D.R. Begun (eds.), Cambridge University Press, Cambridge, pp. 210-233.
  48. Yamagiwa J., Basabose AK., Kaleme K., Yumoto T. (2005). Diet of Grauer's gorillas in the montane forest of Kahuzi, Democratic Republic of Congo. International Journal of Primatology, 26 (6): 1345-1373.
  49. Yamagiwa J. (2005). Coexistence of gorillas and chimpanzees. In: World Atlas of Great Apes and their Conservation, J. Caldecott and L. Miles (eds), UNEP World Conservation Monitoring Centre, University of California Press, Berkeley, p. 137.
  50. Yamagiwa J., Basabose AK. (2006). Diet and seasonal changes in sympatric gorillas and chimpanzees at Kahuzi-Biega National Park. Primates, 47 (1): 74-90.
  51. Yamagiwa J. (2006). Playful encounters: the development of homosexual behaviour in male mountain gorillas. In Homosexual Behaviour in Animals, Sommer, V. and Vasey, P.L. (eds.), Cambridge University Press, Cambridge, pp. 273-293.
  52. Yamagiwa J., Basabose AK. (2006). Effects of fruit scarcity on foraging strategies of sympatric gorillas and chimpanzees. In: Feeding Ecology in Apes and Other Primates: Ecological, Physiological and Behavioural Aspects, Hohmann, G., Robbins, M.M. and Boesch, C. (eds.), Cambridge University Press, Cambridge, pp. 73- 96.
  53. Yamagiwa, J. (2008). Comments on "The Chimpanzee Has No Clothes: a critical examination of Pan troglodytes in models of human evolution". Current Anthropology, 49: 105-106.
  54. Yamagiwa, J. (2008). Book Review: Alexander H. Harcourt and Kelly j. Stewart, Gorilla Society: conflict, compromise, and cooperation between sexes. The University of Chicago Press, Chicago. Primates, 49: 232-234.
  55. Ando, C., Iwata, Y., Yamagiwa, J. (2008). Progress of habituation of western lowland gorillas and their reaction to observers in Moukalaba-Doudou National Park, Gabon. African Study Monographs Supplementary Issue, 39: 55-69.
  56. Takenoshita, Y., Ando, C., Iwata, Y., Yamagiwa, J. (2008). Fruit phenology of the great ape habitat in the Moukalaba-Doudou National Park, Gabon. African Study Monographs Supplementary Issue, 39: 23-40.
  57. Takenoshita, Y., Yamagiwa, J. (2008). Estimating gorilla abundance by dung count in the northern part of Moukalaba-Doudou National Park, Gabon. African Study Monographs Supplementary Issue, 39: 41-54.
  58. Yamagiwa, J., Basabose, A.K., Kaleme, K.P., Yumoyo, T. (2008). Phenology of fruits consumed by a sympatric population of gorillas and chimpanzees in Kahuzi-Biega National Park, Democratic Republic of Congo. African Study Monographs Supplementary Issue, 39: 3-22.
  59. Yamagiwa, J. (2008). History and present scope of field studies on Macaca fuscata yakui at Yakushima Island, Japan. International J. Primatology, 29: 49-64.
  60. Yamagiwa, J. (2008). Comments on "Fission-Fusion Dynamics: new research frameworks". Current Anthropology, 49:645-646.
  61. Tarnaud L., Yamagiwa J. (2008). Age-dependent patterns of intensive observation on elders by free-ranging juvenile Japanese macaques (Macaca fuscata yakui) within foraging context on Yakushima. American J Primatology 70: 1103-1113.
  62. Yamagiwa J., Kahekwa J., Basabose AK. (2009). Infanticide and social flexibility in the genus Gorilla. Primates 50: 293-303.
  63. Basabose AK., Yamagiwa J. (2009). Four decades of research on primates in Kahuzi-Biega. Gorilla Journal 38: 3-7.
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  64. Yamagiwa J., Basabose AK., (2009). Fallback foods and dietary partitioning among Pan and Gorilla. Am J Phys Anthropol 140: 739-750.
  65. Yamagiwa J. (2010). Japanese primatology and conservation management. Environmental Research Quarterly, Special Issue, Message from Japan's Green Pioneers: Living in Harmony with Nature, Ministry of the Environment, Government of Japan, pp.15-30.
  66. Yamagiwa J. (2010). Gorillas: The Quest for Coexistence. The Japan Journal, 6 (10): 27-29.
  67. Yamagiwa J. (2010). Coexistence des gorilles et des chimpanzes. In: Caldecott J, Miles L (eds), Atlas Mondial des Grands Singes et Leur Conservation. UNESCO, Paris, pp. 149.
  68. Yamagiwa J. (2010). Research history of Japanese macaques in Japan. In: Nakagawa N, Nakamichi M, Sugiura H (eds), The Japanese Macaques, Springer, Tokyo, pp. 3-25.
  69. Yamagiwa J. (2011). Ecological anthropology and primatology: fieldwork practices and mutual benefits. In: Centralizing Fieldwork, MacClancy J & Fuentes A (eds), Berghahn Books, Oxford, pp. 84-103.
  70. Yamagiwa J. (2011). Science diplomacy for gorilla ecotourism. AJISS-Commentary, 138 : 1-3.
  71. Yamagiwa J, Basabose AK, Kahekwa J, Bikaba D, Matsubara M, Ando, C, Iwasaki N, Sprague DS (2012) Long-term changes in habitats and ecology of African apes in Kahuzi-Biega National Park, Democratic Republic of Congo. In: Plumptre AJ (ed), The ecological impact of long-term changes in Africa's Rift Valley, Nova Science Publishers, New York, pp. 175-193.
  72. Yamagiwa J, Basabose, AK, Kahekwa J, Bikaba D, Ando C, Matsubara M, Iwasaki N, Sprague DS (2012) Long-term research on Grauer's gorillas in Kahuzi-Biega National Park, DRC: life history, foraging strategies, and ecological differentiation from sympatric chimpanzees. In: Kappeler PM, Watts DP (eds), Long-term field studies of primates, Springer, New York, pp. 385-412.
  73. Inoue E, Akomo-Okoue EF, Ando C, Iwata Y, Judai M, Fujita S, Hongo S, Nze-Nkogue C, Inoue-Murayama M, Yamagiwa J (2013) Male Genetic Structure and Paternity in Western Lowland Gorillas (Gorilla gorilla gorilla). Amer J Phys Anthropol 151:583-588.

Review articles

  1. Yamagiwa, J. & A.G. Goodall, (1992). Comparative socio-ecology and conservation of gorillas. In: Topics in Primatology Vol. 2: Behavior, Ecology, and Conservation, N. Itoigawa, Y. Sugiyama, G.P. Sackett, and R.K.R. Thompson (eds.), University of Tokyo Press, pp. 209-213.
  2. Yamagiwa, J., (2008). Book Review: Alexander H. Harcourt and Kelly j. Stewart, Gorilla Society: conflict, compromise, and cooperation between sexes. The University of Chicago Press, Chicago. Primates, 49: 232-234.
  3. Yamagiwa, J., (2008). Comments on "Fission-Fusion Dynamics: new research frameworks". Current Anthropology, 49:645-646.
  4. Basabose AK., Yamagiwa J., (2009). Four decades of research on primates in Kahuzi-Biega. Gorilla Journal 38: 3-7.
  5. Yamagiwa J., (2010). Gorillas: The Quest for Coexistence. The Japan Journal, 6 (10): 27-29.
  6. Yamagiwa J., (2010). Coexistence des gorilles et des chimpanzes. In: Caldecott J, Miles L (eds), Atlas Mondial des Grands Singes et Leur Conservation. UNESCO, Paris, pp. 149.
  7. Yamagiwa J., (2010). Research history of Japanese macaques in Japan. In: Nakagawa N, Nakamichi M, Sugiura H (eds), The Japanese Macaques, Springer, Tokyo, pp. 3-25.
  8. Yamagiwa J., (2011). Ecological anthropology and primatology: fieldwork practices and mutual benefits. In: Centralizing Fieldwork, MacClancy J & Fuentes A (eds), Berghahn Books, Oxford, pp. 84-103.

Reports, etc.

  1. Yamagiwa, J., Maruhashi, T., Yumoto, T., Hamada, Y. & Mwanza, N., (1989). Distribution and present status of primates in the Kivu district, Zaire. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1.AN!N' 11-21
  2. Yamagiwa, J., Maruhashi, T., Yumoto, T. & Mwanza, N., (1989). A preliminary survey on sympatric populations of Gorilla g. graueri and Pan t. schweinfurthii in eastern Zaire. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1N!N' 23-40
  3. Mwanza, N. & Yamagiwa, J., (1989). A note on the distribution of primates between Zaire-Lualaba river and the African Rift Valley. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1N!N' 5-10
  4. Yumoto, T., Maruhashi, T., Yamagiwa, J. & Mwanza, N., (1989). Feeding habit of primates in the tropical forests of eastern Zaire. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1N!N' 41-51
  5. Maruhashi, T., Yumoto, T., Yamagiwa, J. & Mwanza, N., (1989). Some observations on the primates in a montane forest at the Kahuzi-Biega National Park, Zaire. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1N!N' 53-56
  6. Mwanza, N., Yamagiwa, J., Maruhashi, T., Hamada, Y. & Yumoto, T., (1989). Conservation of primates in the Kivu district, Zaire. Grant-in-Aid for Overseas Scientific Research Report "Inter-species Relationships of Primates in the Tropical and Montane Forests", 1N!N' 113-117
  7. Yamagiwa, J., Steinhauer, B.B., Mankoto, M.O., Mwanza, N., Maruhashi, T., Yumoto, T., Fischer, A., Spangenberg, A. and Burkholder, A., (1991). Research and conservation of eastern lowland gorillas. Gorilla Conservation News, 5: 16.
  8. Yamagiwa, J. & N. Mwanza, (1992). Ecologie alimentaire du gorille oriental de plaine dans la region d'Itebero. Rapport Annuel 1991-1992: Recherches Scientifiques Cooperatives par les Equipes Japonaises et Zairoises, The Center for African Area Studies, Kyoto university, pp. 13-14.
  9. Yamagiwa, J., N. Mwanza & T. Maruhashi, (1992). Relation inter-especes chez les gorilles et chimpanzes dans la region de Kahuzi. Rapport Annuel 1991-1992: Recherches Scientifiques Cooperatives par les Equipes Japonaises et Zairoises, The Center for African Area Studies, Kyoto university, pp. 14-15.
  10. Yamagiwa, J., (1992). Population structure and dietic diversity of western lowland gorillas in the Ndoki forest, northern Congo. Rapport Annuel 1991-1992 Recherches Scientifiques Cooperatives parles Equipes Japonaises et Congolaises, Le Centre des Etudes Africaines, Universite de Kyoto, pp. 22-27.
  11. Yamagiwa, J., (1997). Should we consider the translocation of gorilla populations? Gorilla Journal, 13: 21-22.
  12. Yamagiwa, J., (1998). Mushamuka's story: The largest group and the longest tenure. Gorilla Journal, 15: 7-9.
  13. Yamagiwa, J., (1998). An ossified chimpanzee found in a tree nest. Pan Africa News, 5(2): 17-18.
  14. Takenoshita, Y., Yamagiwa, J. & Nishida, T., (1998). Branch-drop display of a female chimpanzee (Pan troglodytes troglodytes) of Petit Loango, Gabon. Pan Africa News, 5(2): 15-16.
  15. Yamagiwa, J., (1999). News from Kahuzi-Biega. Gorilla Journal, 18: 6-7.
  16. Yamagiwa, J., (1999). Gorilla slaughter in the park. BBC WILDLIFE, 18(2): 52.
  17. Yamagiwa, J., (2002). Gorillas, the gentlest and most misunderstood giants of the forest, now nearing extinction. Anritsu News, 21 (103): 10-11.
  18. Yamagiwa, J., & Kahekwa, J., (2004). First observations of infanticides by a silverback in Kahuzi-Biega. Gorilla Journal, 29: 6-9
  19. Ando C., Takenoshita Y., Yamagiwa J., (2004). Resultats de l'observation directe des gorilles et des chimpanzes dans le Parc National de Moukalaba-Doudou. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2004, Projet en Primatologie de l'Universite de Kyoto, pp.39- 46.
  20. Ando C., Takenoshita Y., Yamagiwa J., (2004). Resultats du surveillance des fruits dans le Parc national de Moukalaba-Doudou. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2004, Projet en Primatologie de l'Universite de Kyoto, pp. 53-62.
  21. Yamagiwa J., (2004). Variation intraspecifiques de l'organisation sociale des gorilles: implications pour leur evolution sociale. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2004, Projet en Primatologie de l'Universite de Kyoto, pp.9-22.
  22. Takenoshita Y., Tashiro Y., Yamagiwa J., (2004). Evaluation de densite des gorilles occidentaux par une novelle methode de recensement en Parc national de Moukalaba-doudou, Gabon. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2004, Projet en Primatologie de l'Universite de Kyoto, pp. 23-38.
  23. Takenoshita Y., Ando C., Tashiro Y., Okayasu N., Yumoto T., Yamagiwa J., (2005). Liste des plantes d'aliment vegetal des gorilles et des chimpanzes en Parc National de Moukalaba-Doudou, Gabon. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2005, Projet en Primatologie de l'Universite de Kyoto, pp. 55-60.
  24. Yamagiwa J., (2005). Quest for evolution of human society through fieldwork on the great apes. Kyoto University Newsletter, 7: 2-3.
  25. Yamagiwa J., (2005). I learned many things from Dian. IPPL News, 32 (3): 9.
  26. Yamagiwa J., (2005). Regime alimentaire et exploitation de la nouriture par les grands singes: constraints ecologiques sur leur organizations socials et implications a leur divergence. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2005, Projet en Primatologie de l'Universite de Kyoto, pp. 9-54.
  27. Yamagiwa J., (2005). Coexistence of gorillas and chimpanzees. In: World Atlas of Great Apes and their Conservation, J. Caldecott and L. Miles (eds), UNEP World Conservation Monitoring Centre, University of California Press, Berkeley, p. 137.
  28. Yamagiwa J., Mitani JC., Nishida T (eds), (2006). Introduction to the International Symposium on African Great Apes. Primates, 47 (1): 1.
  29. Yamagiwa J., (2006). Lessons of Dian Fossey and establishment of POPOF-Japan. Gorilla Journal, 32: 21-23.
  30. Yamagiwa, J., Ando, C., (2006). Modelisation des deplacements d'un group de gorilles de plaine occidentale (Gorilla g. gorilla) dans le Parc National de Moukalaba-Doudou. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2006, Projet en Primatologie de l'Universite de Kyoto, pp. 19-34.
  31. Takenoshita Y., Ando C., Iwata Y., Okayasu N., Tashiro Y., Yumoto T., Yamagiwa J., (2007). Liste d'especes des plantes vasculaire dans la partie nord du Parc National de la Moukalaba-Doudou. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2007, Projet en Primatologie de l'Universite de Kyoto, pp. 41-50.
  32. Yamagiwa J., Ando C., Iwata Y., (2007). Suivi des deplacements des gorilles dans le Parc National de Moukalaba-Doudou au Gabon. National de la Moukalaba-Doudou. Etude Socio-ecologique sur les Primates dans les Forets d'Afrique Tropicale 2007, Projet en Primatologie de l'Universite de Kyoto, pp. 9-30.
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