Blyde River Canyon Nature Reserve

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Blyde River Canyon Nature Reserve
Blyde River Canyon, South Africa 2.JPG
The Three Rondavels promontory of the Drakensberg escarpment
Map showing the location of Blyde River Canyon Nature Reserve
Map showing the location of Blyde River Canyon Nature Reserve
Location Northern Mpumalanga, South Africa
Nearest city Graskop
Coordinates 24°29′29″S 30°45′35″E / 24.49139°S 30.75972°E / -24.49139; 30.75972Coordinates: 24°29′29″S 30°45′35″E / 24.49139°S 30.75972°E / -24.49139; 30.75972
Area 29,000 ha (290 km2)
Established November 1965
Governing body Mpumalanga Tourism and Parks Agency (MTPA)
http://www.mtpa.co.za/index.php?parks+1811

Blyde River Canyon Nature Reserve (or Motlatse Canyon Provincial Nature Reserve) is situated in the Drakensberg escarpment region of eastern Mpumalanga, South Africa. The reserve protects the Blyde River Canyon, including sections of the Ohrigstad and Blyde Rivers and the geological formations around Bourke's Luck Potholes, where the Treur River tumbles into the Blyde below. Southwards of the canyon, the reserve follows the escarpment, to include the Devil's and God's Window, the latter a popular viewpoint to the lowveld at the reserve's southern extremity.

The Mogologolo (1,794 m), Mariepskop (1,944 m) and Hebronberg (1,767 m) massifs are partially included in the reserve. Elevation varies from 560 m to 1,944 m above sea level.[1] Its resort areas are F.H. Odendaal and Swadeni, the latter only accessible from Limpopo province. The area of approximately 29,000 hectares (290 km2) is administered by the Mpumalanga Parks Board.[1]

Bourke's Luck Potholes[edit]

Potholes and plunge pools of the Treur River
A southward view from God's Window towards Kowyn Pass

This geological feature and day visitors' attraction, is situated at the confluence of the Treur and Blyde Rivers, on the reserve's western boundary 24°40′28″S 30°48′39″E / 24.67444°S 30.81083°E / -24.67444; 30.81083 (Bourke's Luck Potholes). The reserve's nature conservation headquarters is located here, beside the village of Moremela, at the canyon's southern, or upper reaches.

Sustained kolks in the Treur River's plunge pools have eroded a number of cylindrical potholes or giant's kettles, which can be viewed from the crags above. It was named after a local prospector, Tom Bourke, who predicted the presence of gold, though he found none himself. The pedestrian bridges connect the various overlooks of the potholes and the gorge downstream.

God's Window[edit]

God’s Window 24°52′28″S 30°53′29″E / 24.87444°S 30.89139°E / -24.87444; 30.89139 (God's Window) is a popular vantage point along the Drakensberg escarpment, at the southern extremity of the Nature Reserve.

Here, sheer cliffs plunge over 700 metres to the lowveld. From this escarpment—a mostly unbroken rampart of cliffs—opens a vista into the lowvelt expanse and escarpment forests, the Eden-like aesthetic appearance of which prompted the name. On a clear day it is possible to see over the Kruger National Park towards the Lebombo Mountains on the border with Mozambique.

God’s Window features prominently in the plot of the 1980 cult film The Gods Must Be Crazy. Near the end of the movie, the Bushman character Xi (played by Namibian bush farmer N!xau) travels to God’s Window, and due to some low-lying cloud cover believes it to be the end of the Earth.

The original Window is a rock that is set further back on a private farm and due to Quarry operations and tree plantation farming this actual rock that looks like a square window could not be used, therefore the site was moved by the government to the edge of the escarpment.

A viewing platform 24°52′35.8″S 30°53′19.6″E / 24.876611°S 30.888778°E / -24.876611; 30.888778 (God's Window viewing platform) near the car park gives a spectacular view down the gorge to the plain below.

Fauna[edit]

The high plateaus are inhabited by mountain reedbuck, baboon troops and rock hyraxes. Hippo and crocodile are present in the Blyderivierpoort Dam. Impala, kudu, blue wildebeest, waterbuck and zebra roam the wooded lowveld area.

Exotic fish like smallmouth bass, brown and rainbow trout occur in the river, which have reduced the range of the local Treur river barb to upper catchments of the Blyde River system.[2] Thanks to reintroductions after its rediscovery in the 1970s, it now flourishes here.[3] The Natal mountain catfish, Amphilius natalensis, occurs as an isolated population in the Limpopo system, and the Belvedere creek is the only place in the Limpopo system where the Rosefin Barb, Barbus argenteus is found.[3]

African fish eagle and African finfoot are found along the Blyde River. The lowveld woodlands harbour purple-crested lourie, emerald cuckoo, red-backed mannikin, golden-tailed woodpecker, gorgeous bushshrike, white-faced owl and a number of raptors like white-backed vulture, gymnogene, black-chested snake eagle, Wahlberg's eagle and long-crested Eagle. A number of raptors frequent the mountains and cliffs, including cape vulture, black eagle, jackal buzzard, peregrine falcon, lanner falcon and rock kestrel.

Birds associated with flowering plants of the higher slopes include Gurney's sugarbird and malachite sunbird. A breeding colony of bald ibis occurs in the grassy uplands, besides small numbers of cape eagle-owl and red-breasted sparrowhawk. Forest birds include crowned eagle, knysna lourie, cinnamon dove, olive bushshrike, green twinspot and wood owl.

Flora[edit]

Ten species of the Proteaceae occur within the reserve's confines,[4] among which the Blyde River Protea which is endemic to the canyon.

The reserve's vegetation is classified as the Northeastern Drakensberg High-Mountain Sourveld ecoregion, an area prone to lightning-induced burning. Its very diverse flora is ascribed to the variation in altitude and rainfall (541 mm to 2,776 mm p.a.), and the extremes in geology and pedology.[1] It is topographically complex with a variety of habitats which include grassland plateaus, wetlands and sponge areas, grassland slopes, afromontane forest, riparian forest, moist woodlands, dry woodlands and shrublands. Its four veld types are Afromontane Forest, North-eastern Mountain Sour Grassland, Sour Lowveld Bushveld and Mixed Lowveld Bushveld.[1]

Around a 1,000 plant species have been recorded. This includes cycads, of which the Blyde River Cycad is almost endemic to the reserve, with some 200 individuals remaining.[5] A variety of orchid, lily and protea (genera Protea and Faurea) species occur. Tree ferns grow along seepages of the uplands.

Indigenous forest covers 2,111 ha of the nature reserve, or 7.3% of its surface area. These are fragmented into some 60 patches between 0.21 ha and 567 ha in extent. They are assigned to two forest communities, high altitude moist and low altitude dry afromontane forest. The altitudinal gradient accounts for most of their variation in plant communities.[1]

General area[edit]

The reserve is fringed to the east by the Mariepskop and Klaserie Waterfall Nature Reserves, and the Mapulaneng forestry region, below the escarpment. National Park status had been considered, if some adjacent areas were incorporated, and their forestry activities discontinued.

Percy Fitzpatrick and George Fullerton's summer quarters as transport riders during the 1880s was situated at Paradise Camp 24°55′24″S 30°52′08″E / 24.92333°S 30.86889°E / -24.92333; 30.86889 (Paradise Camp), some 6 km south of God's Window, and similarly perched on the edge of the escarpment. Close to God's Window are several waterfalls, including Berlin Falls and Lisbon Falls.[6]

References[edit]

  1. ^ a b c d e Lötter, Mervyn C.; Beck, Hans T. (2 August 2004), Preliminary inventory and classification of indigenous afromontane forests on the Blyde River Canyon Nature Reserve, Mpumalanga, South Africa, BMC Ecology, doi:10.1186/1472-6785-4-9 
  2. ^ J. & R. Engelbrecht, R. Bills (2007). "Barbus treurensis". IUCN Red List of Threatened Species. Version 2011.2. International Union for Conservation of Nature. Retrieved 8 December 2011. 
  3. ^ a b "The Olifants River System, Ecoregions 4.03 & 4.05". State of the Rivers Report, South African River Health Programme. Water Affairs. Retrieved 25 December 2013. 
  4. ^ "Species by Nature Reserve for Mpumalanga Parks Board: Blyde River Canyon Nature Reserve". Protea Atlas Project. 2003-01-27. Retrieved 2 December 2011. 
  5. ^ "Encephalartos cupidus". The Cycad Society of South Africa. Retrieved 8 December 2011. 
  6. ^ "Mpumalanga Attraction - Berlin Falls". Mpumalanga Tourism and Parks Agency. Retrieved 27 August 2011. 

External links[edit]