Pastoralists livelihood was threatened by Prosopis invasion of farm and pastor land in the study area of Afar region. Thus, this research paper aimed to deliver empirical evidence on the links between household perception regarding Prosopis juliflora, and pastoral livelihood diversification strategy. Determinants were empirically analyzed using multinomial logit model (MLOGIT) and two step Tobit regression model (IVTOBIT). The results indicate that the household perception vary widely over the sample, showing a significant positive effect on their livelihood diversification. Even if the...