ⓘ Aberdare Range
The Aberdare Range is a 160 km long mountain range of upland, north of Kenyas capital Nairobi with an average elevation of 3.500 metres. It is located in Nyandarua County, west central Kenya, northeast of Naivasha and Gilgil and just south of the Equator. The mountain range is called Nyandarua among the Agikuyu people in whose territory this forest and mountain range is located. The name Nyandarua means a drying hide due to the distinctive fold of its silhouette.
The Aberdare Range forms a section of the eastern rim of the Great Rift Valley running roughly north to south. On the west, the range falls off steeply into the Kinangop Plateau and then into the Great Rift Valley. On the east, the range slopes more gently. Lake Naivasha and the distant Mau Escarpment can be seen from peaks in the range.
The range has a maximum elevation of 3.999 metres 13.120 ft above sea level and is heavily forested. The former name of the range survives in Mount Satima "the mountain of the young bull", the highest peak in the Aberdare Range. The second-highest peak, at the southern end of the range, is Mount Kinangop at 3.906 metres 12.815 ft. Mount Kenya, 5.199 metres 17.057 ft the second highest mountain in Africa after Kilimanjaro lies east of the Aberdare Range.
The Aberdares are the water catchment area for the Sasumua dam and the Ndakaini dam, which provide most of the water for Nairobi. The mountain forests are catchment areas for the Tana River, the largest river in Kenya, supplying water to the Seven Forks hydroelectric power complex which generates over 55 percent of Kenyas total electricity output.
The main ecosystems within the mountain range are rainforest giving way to dense bamboo forests and then moorland. The steep western edges of the hillside are sparsely inhabited by wildlife compared to the forested gentle slopes to the east, which are home to a wide variety of wildlife. There are multitudes of elephant, buffalo, giant forest hog as well as the endangered black rhino. A variety of cats including leopards and the rare African golden cat. Other threatened species including the Jackson mongoose, the black and white colobus monkey and Sykes monkey are plentiful, as are waterbuck, reedbuck, duikers, serval cats and bushbuck.
The Aberdares contain a rich diversity of vegetation. There are 778 vegetation and plant species, subspecies and varieties found in the Aberdare National Park, due to the parks altitude and rainfall. Hardwood trees include camphor, cedar, podo and hagenia.
Much of the range has been protected within the Aberdare National Park since its creation in 1950. The range attracts large numbers of hikers and climbers operating out of the main centers of Naivasha and Gilgil. The lower slopes are farmed, higher areas are known for their wildlife. The Rhino Charge is an annual event run by conservationists in Kenya to pay for fencing of the Aberdare National Park as a means of protecting East Africas largest indigenous forest from destruction.
3. Aberdare Ranges Forest
Aberdare Ranges Forest are the host for the Aberdare Forest Reserve, which along with the Kikuyu Escapements run 120 km 75 miles northwards from Nairobi and about 40 km 25 miles at its widest point. With a perimeter of 566 km 352 miles, the Aberdare Ranges vary in altitude from 2000 meters 7000 on the forest boundary on the eastside and 4.001 meters 13.130 towards the northern edge at the peak of Oldonyo Lesatima. The Ranges descend gradually from the peak towards Nyahururu from the northern side, where incised river valleys and volcanic vents are evident. On the southern side, the ranges are steep southwards from IL Kinangop peak towards the northern part of Murang’a North District.
The major rivers from Aberdare Forest are Athi and Tana, which flow into the India Ocean, Ewaso Nyiro that drains into the Lorian Swamp and River Malewa that drains into Lake Naivasha. The ranges also have several tributaries, and higher up are bog markings that are the source of the rivers on the moorlands and afro-alpine. The Athi, Lake Naivasha, Tana and Ewaso Nyiro river basins have their source in Aberdare Forest Reserve.
Endemic plants on the forest include Lobelia deckeniisspsattimae, Helichrysum gloria-dei and Alchemilla hageniae. The forest has four vegetation zones including subalpine vegetation, xeromorphic evergreen forest, montane humid forest, and submontane forest.
5.1. Ecosystems Sub alpine vegetation
Found at altitudes above 3.300 metres 11.000 is the moorlands. Alpine grass Deschampsia, distinguished by giant groundsell Dendrosenecio johnstonii, Lobelia deckenii, and heath Erica excelsa. Moorland communities are the main vegetation in this region. Shrub communities consisting of Erica arborea and Hebenstretia angolensis are found between 3.000 metres and 3.300 metres 10.000 and 11.000, while a belt of bamboo is common between 2.400 and 3.300 m 7900 and 11.000, and cover about 35.000 ha 135 square miles.
5.2. Ecosystems Montane humid forest
This belt is mostly dominated by pioneer species Macaranga capensis and Newbutonia macrocalyx and runs to the east side of the range. The region is also host to the valuable commercial species including Aningeria adolfi-friederici, Ocotea usambarensis and Syzygium guineense, which are the most conspicuous forest in the Kikuyu escarpment.
5.3. Ecosystems Xeromorphic evergreen forest
Located on the dry northern and western slopes of Aberdares, it has several species with the most notable being the olives, podo Podocarpus latifolius, and cedar Juniperus procera.
5.4. Ecosystems Sub-montane forest
This forms the seasonal forest cover on the north-east slopes with predominantly Ekebergia capensis, Nuxia congesta, Cassipourea malossana and Calodendrum capense Cape chestnut species.
The Aberdare Range was named by Joseph Thomson in 1884 in honour of Lord Aberdare, who at the time was President of the Royal Geographical Society and the Royal Historical Society. Aberdare was also a Liberal politician who had served as Home Secretary from 1868 to 1873. He was later to become the first Chancellor of the University of Wales.
The area is well known as the headquarters of Dedan Kimathi, leader of the 1950s Mau Uprising. Elizabeth II became Queen of the United Kingdom while vacationing in the Aberdares. It was also the site where J.A. Hunter killed the rogue elephant of Aberdare Forest.
- 1939. It s 6 mm long and 1.5 mm wide, and its type locality is the Aberdare Range Kenya. It was named in honor of Hugh Scott. BioLib.cz - Niphoparmena
- 1.75 millimetres 0.069 in wide, and its type locality is the West Aberdare Range Kenya. BioLib.cz - Niphoparmena obliquefasciata. Retrieved on 8 September
- species from the highlands of central Kenya: the Aberdare mole shrew S. norae restricted to the Aberdare Range and the Mount Kenya mole shrew S. polulus
- Wilson Airport in Nairobi disappeared en route in bad weather over the Aberdare Range in central Kenya. The plane had two crew and ten passengers on board
- the Muranga County Assembly. Mathioya Constituency has five Locations: Aberdare Forest, Gitugi, Kamacharia, Kiru, Njumbi, and Rwathia. According to the
- settlement in Nyandarua County, Kenya. It lies to the east of the Aberdare ranges and due to this receives a significant proportion of the rainfall in
- Joseph Thomson during his 1883 - 1884 mission to Mount Kilimanjaro and the Aberdare Range and now resides at the Kew Herbarium. There are currently no recognized
- Coelachne auquieri Ndab. - Rwanda Coelachne friesiorum C.E.Hubb. - Aberdare Range in Kenya Coelachne ghatica Naik - Western Ghats in India Coelachne infirma
- and west of the Eastern Rift and associated volcanoes, including the Aberdare Range Mount Kenya, Mount Kulal, Mount Nyiru, Bukkol, and the Nguruman Escarpment
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