Journal Papers

1. Awimbo J.A;Sigu G.O.; Gachathi N; Kigomo B.N. (1989) the state of vegetation conservation and afforestation efforts on Hilltops of the dry areas of Kenya. KEFRI, Ecol, series; report No.3
2. Kigomo B.N Were.N; Sigu G.O; (1995) the establishment, development and growth of Dendrocalamus hamiltonii Nees & Arn Under field conditions in Kenya. E. Afr. Agric. For J. 60(3), 95-105
3. OBUNGA R; Sigu G.O;(1996). Sustainable development of woodcarving industry in Kenya. Draft technical progress report (phase 2). Unpublished report for the WWF/UNESCO/Kew people and plants Initiative, National Museums of Kenya Proceedings of the joint KEFRI-FD Conference on the state of Forestry Research and Management in KENYA
4. KIGOMO KN; and Sigu G.O (1996); establishment and growth of field trials of exotic and indigenous bamboo species in Kenya. East Africa agric. For J. (1996(3)
5. Ongugo P.O;Sigu G.O; Kariuki J.G; Luvanda A.M; Kigomo B.M 92000. production to consumption system; a case of the bamboo sector in Kenya. KEFRI/INBAR Report.
6. Sigu G.O; Ongugo P.O; Njuguna J.W. (2000) the current Status of the Vanga Mangrove Forest; policy implications for future conservation indicatives. Proceedings of the second IFRI regional workshop on ‘operationalization of participatory natural forest management in Kenya’ KEFRI 2002
7. SIGU G.O; Omenda T.O; Ongugo P.O and A. Opiyo. (2002) Forest degradation intensity; exemplification of spatial variance in rule enforcement as verified by cut stumps, forest structure and latent generation. Case study of ramogi hills forest
8. Langat D., P. Ongugu, J. Njuguna, G. Sigu, T.Omenda and A. Opiyo. The got ramogi sacred forest; opportunities and challenges in sustainable utilization and conservation of sacred forest. IFRI report 2001.
9. Ongugu P.O; J.Njuguna; G. Sigu; D. Langat; T.Omenda; P. Bwire & A.opiyo. The status of upper imenti forest (Nkunga and Nchoroiboro forest blocks). Interactions between the forest and adjacent communities.