Household vulnerability and risk management by Boran pastoralists in Southern Ethiopia

agotamiento de recursos agropastoral systems arid climate cambio estructural changement structurel clima arido climat aride derecho de uso escasez de alimentos ethiopia ethnic groups etiopia famine food production food security food supply hogares households interest groups livestock management losses manejo del ganado pastizales pastoral society pastoralism pastoralisme pastoralismo pastures perte pobreza poverty production alimentaire resource depletion riesgo right of access risk risque seguridad alimentaria sociedad pastoral structural change suministro de alimentos tendance tendencias trends