Afro-Alpine zone
Quick Summary
The Afro-Alpine zone refers to a specific vegetation zone found on high mountains in East Africa, characterized by unique plant life adapted to cold, high-altitude conditions. This zone is distinct from the surrounding lower-altitude climates and is influenced by factors like decreasing temperatures and increasing precipitation with elevation.12
Key features of the Afro-Alpine zone include:
* Vegetation: Dominated by hardy plants such as tree groundsel, giant lobelia, tussocky grasslands, and everlastings. Mosses and lichens are found at higher elevations, with bare rock and ice above.12
* Climate: While the surrounding regions may be dry, the Afro-Alpine zone experiences high rainfall, though it can become desert-like at the highest altitudes. Temperatures seldom rise above freezing on the highest peaks.2
* Adaptation: Plants here have adapted to cold, harsh conditions, with some species showing gigantism. Despite geographical separation, Afro-Alpine plants on different mountains are often closely comparable.2
* Fauna: Mammals like leopards and various antelopes can be found here, alongside smaller inhabitants such as hyraxes and groove-toothed rats. Birds like the lammergeier and sunbirds are also present.23
This unique zone is a result of plants retreating to mountains during post-Pleistocene warming periods, where they have been preserved and transformed.2
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East African mountainsSoils…dark peaty loams of the Afro-Alpine zone and the strong brown loams of high organic content in the forest belt, to the ferruginous (iron-bearing) soils of the lower slopes. Volcanic material presents a range from the unaltered rock of the most recent eruptions to the well-developed fertile soils on surfaces…
Read More…dark peaty loams of the Afro-Alpine zone and the strong brown loams of high organic content in the forest belt, to the ferruginous (iron-bearing) soils of the lower slopes. Volcanic material presents a range from the unaltered rock of the most recent eruptions to the well-developed fertile soils on surfaces…
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East African mountainsAnimal life…penetrate into the moorland and Afro-Alpine zones, where the hyrax and the groove-toothed rat are the most obvious inhabitants. Birds include the lammergeier (one of the largest birds of prey, resembling the eagle and vulture), the mountain chat (a songbird), and the scarlet-tufted malachite sunbird (a small, brilliantly coloured songbird).…
Read More…penetrate into the moorland and Afro-Alpine zones, where the hyrax and the groove-toothed rat are the most obvious inhabitants. Birds include the lammergeier (one of the largest birds of prey, resembling the eagle and vulture), the mountain chat (a songbird), and the scarlet-tufted malachite sunbird (a small, brilliantly coloured songbird).…
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