Chima et al
Greener Journal of Agricultural Sciences Vol. 2 (8), pp.406-411, December 2012
Key livelihood tree species in Omo Biosphere Reserve: a preliminary documentation towards the investigation of land use change impact on key livelihood tree populations
Chima, U.D., Adedire, M.O., Aduradola, A.M., and Agboola, D.A.
Department of Forestry and Wildlife Management, Faculty of Agriculture,
University of Port Harcourt, Nigeria
Department of Forestry and Wildlife Management, College of Environmental Resources Management, Federal University of Agriculture, Abeokuta, Nigeria
Department of Biological Sciences, College of Natural Sciences, Federal University of Agriculture, Abeokuta, Nigeria
Corresponding Author’s email: punditzum @ yahoo.ca; Mobile phone:
The study documented and prioritized key livelihood tree
species in Omo Biosphere Reserve, Nigeria as a preliminary
step towards the evaluation of land use change impact on key
livelihood tree populations. Data were collected using
structured questionnaire administered to two hundred
randomly selected adults resident in the reserve. A total of
thirty-eight key livelihood tree species were documented and
prioritized. The highly ranked among the species include
Khaya ivorensis (1st), Nauclea diderrichii (2nd), Terminalia
ivorensis (3rd), Cordia millenii (4th), and Alstonia boonei
(5th). The lowly ranked include Daniella ogea (33rd),
Cleistopholis patens and Tectona grandis (34th), Terminalia
catappa (36th), and Parinari sp. /Chrysophyllum albidum
(37th). These species were prominent because of their
usefulness in various aspects of rural livelihood including
food, shelter, medicine, fuel-wood for cooking, and income
generation. Given the high spate of deforestation and land
conversion in the reserve, the need for further studies to
ascertain the impact of land use change on the populations
of the key livelihood tree species and probable consequences
for their conservation, is emphasized.
Keywords: Rural livelihood, trees, land use change, biosphere reserve
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