Population trend
Trend
There are twelve clusters of subpopulations, as follows: 1. Schoemanspoort south of the Swartberg mountains - three subpopulations. 2. Northern side of the Swartberg Pass - one subpopulation. 3. Hekkieskloof to the north-west of Calitzdorp - four subpopulations. 4. Seweweekspoort - Besemfontein Nature Reserve and Die Poort Nature Reserve - two subpopulations. 5. Gamkasberg Nature Reserve south-west of Oudtshoorn - two subpopulations. 6. Huis River Pass west of Calitzdorp - four subpopulations. 7. Koetzerskraal in Wildehondekloof - one subpopulation. 8. Buffel Rivier Poort north of Ladismith - one subpopulation. 9. Upper northern side of Swartberg mountains west of Meiringspoort - one subpopulation. 10. Southern slopes of Swartberg mountains west of De Hoek - one subpopulation. 11. Oukloofberge and Gamkaskloof south of Prince Albert - two subpopulations. 12. Matjiesvlei west of Calitzdorp - one subpopulation.