Fig. 2
From: Ash fall impact on vegetation: a remote sensing approach of the Oldoinyo Lengai 2007–08 eruption
Illustration of the impact of ash on Oldoinyo Lengai and its direct surrounding. a: Summit of OL looking south-east during the eruption (March 12, 2008; photo courtesy B. Wihelmi); (b) Ash covering vegetation along the west flank of OL and the rift escarpment (January 18, 2008; photo courtesy T. Pfeiffer); (c) Ash fall in valley cutting across the rift escarpment two years after the eruption (June 8, 2010; photo courtesy Th. Holden); (d) Boma Lesele, 4 km west of OL crater located in the major ashfall zone (December 6, 2007; photo courtesy of J. Keller); (e) Ash fall deposits on W flank of OL and destroyed vegetation (May 14, 2011; photo by S. Stadlin); (f) Recent regeneration of vegetation north of OL (May 2013; photo by S. Stadlin)