Robertson Karoo

Robertson Karoo is a semi-arid vegetation type, restricted to sections of the Breede River Valley, Western Cape Province, South Africa. It is a subtype of Succulent Karoo (geographically an extension of the "Little Karoo") and is characterised by the dominance of succulent plant species, and by several endemic plants and animals.

Typical Robertson Karoo vegetation in the hills above Karoo Desert National Botanical Garden, Worcester

Location and extent

This vegetation type occurs in several large patches within the Breede River Valley, in the Western Cape Province of South Africa. It occurs in the area between Worcester in the north-west, Ashton in the east, and the Riviersonderend mountains in the south.

Landscape and climate
Drosanthemum spp.
Aloe microstigma
Small Haworthia pumila plant

Robertson Karoo typically consists of low hills and flats covered in small succulent vegetation, usually growing on rocky shale-based soils. The climate is semi-arid due to the region lying in the rainshadow of the large mountain ranges to the south-west, but the rainfall does tend to occur mainly in winter.

This vegetation type has a large number of endemic species and several endemic genera.[1]

Some associated plant species

Some associated animal species

[2]

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See also

References
  1. "The Robertson Karoo as pastural area | JGV | African Journal of Range and Forage Science". ajol.info. Retrieved 2014-11-03.
  2. WWF article on Robertson vegetation types
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