Fig. 6From: Effect of Senna obtusifolia (L.) invasion on herbaceous vegetation and soil properties of rangelands in the western Tigray, northern EthiopiaBiomass yield of S. obtusifolia and other herbaceous vegetation (DM t ha−1) under three invasion levels (non-invaded, lightly invaded, and heavily invaded) at Kafta Humera (a) and Tsegede districts (b) in the western Tigray region, northern Ethiopia. Bars indicate the SE of the meanBack to article page