Herbivores and Landform Origin In The Mount Kenya Afroalpine Area

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Date
1983/1984
Authors
Boyer M.G
Mahaney W.C
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Abstract
Numerous landforms in the Mount Kenya Afroalpine area may have an origin related to vegetation stripping by hyrax (Procavia lohnstoni Mackinderi) and to a lesser extent the groo,ve·toothed rat (Otomys orestes orestes). Observations made in 1983/ 84 show that hyrax and the groove·toothed rat had a preference for grass and sedge species oli Festuca, Agrostis and Carex around the toe :of a prominent rock glacier complex and on outwash and alluvial fan deposits. Mud Polygons, alluvial fan incision, needle ice action, and deflation hollows may be produced, in part, as a result of vege· tation cropping by small animals, which pro· duce unstable surfaces.
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East African Agricultural And Forestry Journal, XLIX (1-4), p. 41-52