Karoo National Park Escarpment in the Karoo is also formed, in many places including the Karoo National Park, by a thick dolerite sill. The vegetation consists primarily of dwarf (less than 1 m high) xerophytic shrubs with some grasses. The shrubs and grasses are deciduous, mainly in response to the irregular rainfall Karoo National Park The Karoo National Park, founded in 1979, is a wildlife reserve in the Great Karoo area of the Western Cape, South Africa near Beaufort West. This semi-desert area covers an area of . The Nuweveld portion of the Great Escarpment runs through the Park. It is therefore partly
Ryn Desert can drop to a low of . Many small towns are scattered throughout the Ryn Desert, and population density is between 1 and 15 people per square mile. The Ryn lies in a semi-arid climate zone, and receives very little rainfall. High winds sweep across the desert, and in 2001 a dust storm in the Baltic Sea was determined as originating in the Ryn Desert. A study of long-range dust transportation to the Baltic Sea region—by analyzing dust pollution in Scandinavia, showed that aerosol concentrations there were influenced more by the Ryn Desert region than the Sahara Desert in Africa.