Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "scale" cql: author exact 000131311526 or (type exact bookEditor and editor exact 000131311526) Add to list Journal Article A1 Impacts of artisanal gold mining systems on soil and woody vegetation in the semi-arid environment of northern Ethiopia Hailemariam Meaza Gebregergs, Mushir Ali, Zbelo Tesfamariam Welemaram and Niguse Abebe (2017) SINGAPORE JOURNAL OF TROPICAL GEOGRAPHY. 38(3). p.386-401