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Identifies interrelationships between modifications of the environment and the growth of Nigeria's population and consequent agricultural expansion in the subhumid zone resulting in the disappearance of habitats & hosts of tsetse. Discusses impacts of these changes in the distribution of the nati...


Bourn, D.M.Milligan, K.Wint, W.[Tsetse, trypanosomiasis and cattle in a changing environment]Tsetse, trypanosomiasis and cattle in a changing environment

Discusses, based on aerial surveys taken before and after the drought, the magnitude of population changes, both human & animal, that took place in west Central Niger during the drought and how the drought has affected different ethnic groups. Includes data on estimates of livestock population & ...


Bourn, D.M.Denda, I.Ridder, N.A. deWagenaar, K.T.Wint, W.[Secheresse et exode pastoral au Niger]Secheresse et exode pastoral au Niger

Discusses, based on aerial surveys taken before and after the drought, the magnitude of population changes, both human & animal, that took place in west Central Niger during the drought and how the drought has affected different ethnic groups. Includes data on estimates of livestock population & ...


Bourn, D.M.Denda, I.Ridder, N.A. deWagenaar, K.T.Wint, W.[Where have all the livestock gone?]Where have all the livestock gone?

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