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Oyama, S. 2014. Farmer-herder conflicts, land rehabilitation, and conflict prevention in Sahel region of West Africa. African Study Monographs supplementary 50: 103-122. [PDF(1.7MB)]

Oyama, S.　2014. Grass-root research for Peacekeeping in Africa: Land rehabilitation and conflict prevention in Sahel, Africa. Kyoto University Research Activities 4 (2): 31. [PDF(571KB)]

Oyama, S. 2014. Land degradation and ecological knowledge based land rehabilitation of Hausa Farmers in Sahel region, West Africa. Anthropological perspectives on environmental change and sustainable futures (Commission on Anthropology and the Environment). International Union of Anthropology and Ethnological Sciences (IUAES2014). Makuhari Chiba, Japan. May 17 2014.

Oyama, S. 2014. Ecological Knowledge and daily practices of Hausa cultivators to land degradation in Sahelian Niger. International Geographical Union (IGU2014) Regional Conference. Jagiellonian University, Krakow, Poland. 19 August 2014.

Oyama, S. 2014. Importance of gathering and mediators concerned with local conflicts of Nigerien Sahel, West Africa: From viewpoints of neutralization, gratitude and giving-receiving customs. 4th International Forum on Conflict Resolution and Coexistence through Reassessment and Utilization of “African Potentials”, Tou’Ngou Hotel, Yaoundé, Cameroon. December 5.