Tourism Routes
Eastern Cape - Mid-Karoo Route | Eastern Cape - Mid-Karoo Route |
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Page 1 of 5 Author Eve Palmer’s words best describe the Great Karoo, its people and this Mid-Karoo route:
(Extract from “The Plains of Camdeboo”, The Classic book of the Karoo by Eve Palmer). The route is surrounded by dramatic mountains in the ‘heart’ of the great Karoo and falls in the Nama Karoo Biome. This region is recognized for its herbal plant life, growing naturally in the fields, an exceptional variety of scarce birdlife, the Teebus and Koffiebus koppies and the Orange River Tunnel Outlet from the Orange River Water Scheme. It is also one of the few, and best, places in the world where fossils are found, as well as Rock Art in caves from the first known human inhabitants, the San Bushmen. The Mid-Karoo Route is home to open spaces, Karoo sunsets, star gazing, fresh air, snow-capped mountains and the Owl House of the late Helen Martins, with her figurative sculptures silently facing east. The Nama Karoo BiomeThe Nama Karoo Biome occurs on the central plateau of the western half of South Africa, at altitudes between 500 and 2000m, with most of the biome failing between 1000 and 1400m. It is the second-largest biome in the region. The geology underlying the biome is varied, as the distribution of this biome is determined primarily by rainfall. The rain falls in summer, and varies between 100 and 520 mm per year. This also determines the predominant soil type - over 80% of the area is covered by a lime-rich, weakly developed soil over rock. Although less than 5% of rain reaches the rivers, the high erodibility of soils poses a major problem where overgrazing occurs. The dominant vegetation is a grassy, dwarf shrubland. Grasses tend to be more common in depressions and on sandy soils, and less abundant on clayey soils. Grazing rapidly increases the relative abundance of shrubs. Most of the grasses are of the C4 type and, like the shrubs, are deciduous in response to rainfall events. The amount and nature of the fuel load is insufficient to carry fires and fires are rare within the biome. The large historical herds of Springbok and other game no longer exist. Like the many bird species in the area - mainly larks - the game was probably nomadic between patches of rainfall events within the biome. The Brown Locust and Karoo Caterpillar exhibit eruptions under similarly favourable, local rainfall events, and attract large numbers of bird and mammal predators. Less than 1% of the biome is conserved in formal areas. The Prickly Pear Opuntia aurantiaca and Mesquite Prosopis glandulosa are the major alien invader species. Urbanization and agriculture are minimal, and irrigation is confined to the Orange River valley and some pans. Most of the land is used for grazing, by sheep (for mutton, wool and pelts) and goats, which can be commensurate with conservation. However, under conditions of overgrazing, many indigenous species may proliferate, including Threethorn Rhigozum trichotomum, Bitterbos Chrysocoma ciliata and Sweet Thorn Acacia karoo, and many grasses and other palatable species may be lost. There are very few rare or Red Data Book plant species in the Nama Karoo Biome. Most of the research into the dynamics of the biome has been done in the east of the region, with the Grootfontein Agricultural Station at Middelburg featuring prominently.
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