Effectiveness of exclosures to restore degraded soils as a result of overgrazing in Tigray, Ethiopia Mekuria, Wolde ; Veldkamp, E. ; Haile, Mitiku ; Nyssen, J. ; Muys, B. ; Gebrehiwot, Kindeya Abstract Publication: Journal of Arid Environments Pub Date: April 2007 DOI: 10.1016/j.jaridenv.2006.10.009 Bibcode: 2007JArEn..69..270M