Fig. 10. A semi-arid landscape changing under the influence of two naturalised shrubs. In the foreground and in the mid-distance, Rosa rubiginosa and on the further slopes Thymus vulgaris. Alexandra district, 1991. D.R.Mc Queen
Fig. 10. A semi-arid landscape changing under the influence of two naturalised shrubs. In the foreground and in the mid-distance, Rosa rubiginosa and on the further slopes Thymus vulgaris. Alexandra district, 1991. D.R.Mc Queen.