Scientific Publications

Contents
(1) Scientific papers in English
(2) Scientific papers in Japanese with English summary
(3) Scientific presentations in English
You can see "Abstract" of some papers.

Mail IconPlease mail to ihobe@hs.sugiyama-u.ac.jp, if you need any copies of the papers listed below

(1) Scientific papers in English

  1. Kimura, D. and Ihobe, H., 1985. Feral cattle (Bos taurus) on Kuchinoshima Island, Southwestern Japan: Their stable ranging and unstable grouping. J. Ethol., 3: 39-47.
    Abstract

  2. Ihobe, H., 1989. How social relationships influence a monkey's choice of feeding sites in a troop of Japanese macaques (Macaca fuscata fuscata) on Koshima Islet. Primates, 30(1): 17-25.
    Abstract

  3. Ihobe, H., 1990. Interspecific interactions between wild pygmy chimpanzees (Pan paniscus) and red colobus (Colobus badius). Primates, 31(1): 109-112.
    Abstract

  4. Ihobe, H., 1991. Male relationships of pygmy chimpanzees of Wamba, Republic of Zaire. In: (Ehara, A. et al., eds.) Primatology Today: The Proceedings of the XIIIth Congress of the International Primatological Society, pp. 231-234. Elsevier, Amsterdam.

  5. Ihobe, H., 1992. Male-male relationships among wild bonobos (Pan paniscus) at Wamba, Republic of Zaire. Primates, 33(2): 163-179.
    Abstract

  6. Ihobe, H., 1992. Observations of meat-eating behavior of wild bonobos (Pan paniscus) at Wamba, Republic of Zaire. Primates, 33(2): 247-250.
    Abstract

  7. Furuichi, T. and Ihobe, H., 1994. Variation in male relationships in bonobos and chimpanzees. Behaviour, 130(3-4): 211-228.
    Abstract

  8. Ihobe, H., 1995. The diurnal primate fauna and population densities of tschego chimpanzees in southwestern Congo. African Study Monographs, 16(1): 37-46.
    Abstract

  9. Takahata, Y., Ihobe, H. and Idani, G., 1996. Comparing copulations of chimpanzees and bonobos: do females exhibit proceptivity or receptivity? In: (McGrew, W. C., Marchant, L. F and Nishida, T. eds.) Great Ape Societies, pp. 146-155. Cambridge University Press, Cambridge.

  10. Ihobe, H., 1997. Non-antagonistic relations between wild bonobos and two species of guenons. Primates, 38: 351-357.
    Abstract

  11. Uehara, S. and Ihobe, H., 1998. Distribution and abundance of diurnal mammals, especially monkeys, at Kasoje, Mahale Mountains, Tanzania. Anthropological Science, 106: 349-369.
    Abstract

  12. Furuichi, T., Idani, G., Ihobe, H., Kuroda, S., Kitamura, K., Mori, A., Enomoto, T., Okayasu, N., Hashimoto, C., and Kano, T., 1998. Population dynamics of wild bonobos (Pan paniscus) at Wamba. Int. J. Primat. 19: 1029-1043.
    Abstract

  13. Takahata, Y., Ihobe, H. and Idani, G., 1999. Do bonobos copulate more frequently and promiscuously than chimpanzees ? Human Evolution, 14: 159-167.
    Abstract

  14. Ihobe H., 2001. Hunting attempt by chimpanzees on Abyssinian colobus at the Kalinzu Forest, Uganda. Pan African News, 8(2): 31-32.

  15. Boesch, C., Uehara, S. and Ihobe, H., 2002. Variations in chimpanzee-red colobus interactions. In: (Boesch, C., Hohmann, G. and Marchant, L. F. eds) Behavioural Diversity in Chimpanzees and Bonobos, pp. 221-230 Cambridge University Press, Cambridge.

  16. Ihobe H., 2005. Life-span of chimpanzee beds at the Mahale Mountains National Park, Tanzania. Pan Africa News, 12(1): 10-12.
  17. Mulavwa, M., Furuichi, T., Yangozene,K., Yamba-Yamba, M., Motema-Salo, B., Idani, G., Ihobe, H., Hashimoto, C., Tashiro, Y. and Mwanza, N., 2008. Seasonal Changes in Fruit Production and Party Size of Bonobos at Wamba. In: (Furuichi, T. and Thompson, J. eds.) The Bonobos: Behavior, Ecology, and Conservation, pp. 121-134. Springer, New York.

  18. Furuichi, T., Mulavwa, M.,Yangozene,K., Yamba-Yamba, M., Motema-Salo, B., Idani, G., Ihobe, H., Hashimoto, C., Tashiro, Y. and Mwanza, N., 2008. Relationships among Fruit Abundance, Ranging Rate, and Party Size and Composition of Bonobos at Wamba. In: (Furuichi, T. and Thompson, J. eds.) The Bonobos: Behavior, Ecology, and Conservation, pp. 135-149. Springer, New York.

  19. Idani, G., Mwanza, N., Ihobe, H., Hashimoto, C., Tashiro, Y. and Furuichi, T., 2008. Changes in the Status of Bonobos, their Habitat, and the Situation of Humans at Wamba in the Luo Scientific Reserve, Democratic Republic of Congo. In: (Furuichi, T. and Thompson, J. eds.) The Bonobos: Behavior, Ecology, and Conservation, pp. 291-302. Springer, New York.

(2) Scientific papers in Japanese with English summary

  1. Ihobe H., 1993. A preliminary study on distribution of chimpanzees in Region de Niari and Lekoumou, Congo. Primate Research, 9: 119-124.
    Abstract

  2. Idani, G., Ihobe H., and Kawai K., 1995. Actual damages to crops by Japanese macaques in Kinki Region. Primate Research, 11: 113-122.
    Abstract

  3. Ihobe H., 1997. Evolution of hunting and meat-eating behavior in Hominoidea. Primate Research, 13: 203-213.
    Abstract

  4. Uehara S. and Ihobe H., 1999. A preliminary report on the impact of chimpanzee hunting on mammal populations at Mahale, Tanzania. Primate Research, 15: 163-169.
    Abstract

  5. Furuichi T., Hashimoto C., Idani G., Ihobe H., Enomoto T., Tashiro Y., and Kano T., 1999. Current situation of studies of bonobos (Pan paniscus) at Wamba, D. R. Congo. Primate Research, 15: 115-127.
    Abstract

  6. Oda R., Matsumoto-Oda A., Tashiro Y., and Ihobe H., 2000. Distribution of wild Japanese macaques in Wakayama Prefecture: An attempt of population estimation by witness reports at a village. Primate Research, 16: 23-28.
    Abstract

(3) Scientific presentations in English

  1. Ihobe H., 1990. Male relationships of pygmy chimpanzees of Wamba, Republic of Zaire. The XIIIth Congress of the International Primatological Society. Nagoya.

  2. Kano T., Furuichi T., Ihobe H., Idani G. and Okayasu N., 1990. Inter-group relationships of bonobos in the Wamba forest. The XIIIth Congress of the International Primatological Society. Nagoya.

  3. Ihobe H. and Kano T., 1991. Drag branch behavior of wild bonobos (Pan paniscus). The 22nd International Ethological Conference. Kyoto.

  4. Ingmanson E. and Ihobe H., 1992. Predation and meat eating by Pan paniscus at Wamba, Zaire. The 61st annual meeting of American Association of Physical Anthropologists. Las Vegas.

  5. Ihobe, H., 1992. Non-antagonistic relationships between wild bonobos and two species of guenons. The XIVth Congress of the International Primatological Society. Strasbourg.

  6. Furuichi, T. and Ihobe, H., 1992. Intermale relations in male-bonded groups. The XIVth Congress of the International Primatological Society. Strasbourg.

  7. Ihobe, H. and Idani G., 1994. Daily distances traveled by bonobos (Pan paniscus) at Wamba, Republic of Zaire. The XVth Congress of the International Primatological Society. Bali.

  8. Ihobe, H. 1996. Life-span of chimpanzee beds at the Mahale Mountains National Park, Tanzania. The XVIth Congress of the International Primatological Society, Madison.

  9. Kano, T., Furuichi, T., Idani, G., Ihobe, H., Kuroda, S., Kitamura, K., Mori, A., Enomoto, T., Okayasu, N. and Hashimoto, C. 1996. Population dynamics and Seasonality in birth of wild groups of bonobos at Wamba, Zaire. The XVIth Congress of the International Primatological Society, Madison.

  10. Ihobe, H. 1998. Anti-predation behavior of red colobus at Mahale, Tanzania. The XVIIth Congress of the International Primatological Society, Antananarivo.

  11. Uehara, S and Ihobe, H. 2000. Opportunistic hunting of the chimpanzees at Mahale and its impact on mammalian prey populations. Behavioural Diversity in Chimpanzees and Bonobos. Max Planck Institute for Evolutionary Anthropology, Leipzig.

  12. Ihobe, H. 2003. Interspecific relationships of African great apes: Competition and coexistence. Human Origins and Environmental Backgrounds. Kyoto University, Kyoto.

  13. Ihobe, H. and Idani, G. 2004. Relationships among the proportion of fruits consumed, daily travel distances and party sizes of Pan paniscus. African Great Apes: Evolution, Diversity, and Conservation, Kyoto University, Kyoto.
  14. Ihobe, H. 2008. Relatiohships between nest building and ranging behavior in the M group chimpanzees at Mahale, Tanzania. The XXIIth Congress of the International Primatological Society, Edinburgh.

  15. Furuichi, T., Kuroda, S., Idani, G., Ihobe, H., Hashimoto, C., Tashiro, Y., Sakamaki, T., Kimura, D., Yasuoka, H., Mwanza, N., Mulavwa, M., Yangozene, K. and Kano, T. 2008. Roles of longterm research for conservation of bonobos at Wamba: How it supports coexistence of local people with bonobos. The XXIIth Congress of the International Primatological Society, Edinburgh.

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