Fig. 6From: Tree water potentials supporting an explanation for the occurrence of Vachellia erioloba in the Namib Desert (Namibia)Plant water potential of the selected samples trees at Homeb on the 11th to 14th September. Tree species are as follows: number 1, 2, 4, 5, 9, 10, 11Â =Â Vachellia erioloba; 3, 8Â =Â Euclea pseudebenus; 6, 7Â =Â Faidherbia albida and 12Â =Â Tamarix usneoides. The numbers and positions refer to Fig. 5 Back to article page