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\bibitem{Nyssen_etal2018} {\textquotedblleft}\textit{Persistence and changes in the peripheral Beles basin of Ethiopia}{\textquotedblright}. Nyssen J, Fetene F, Dessie M, Alemayehu G, Sewnet A, Wassie A, Kibret M, Walraevens K, Derudder B, Nicolai B, Annys S, Tegegne F, Van Passel S, Frankl A, Verleyen E, Teklemariam D, Adgo E, Regional Environmental Change \textbf{18}, 2089 (2018).   http://doi.org/10.1007/S10113-018-1346-2

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