Changes in landscape vegetation, forage plant composition and herding structure in the pastoralist livelihoods of East Pokot, Kenya

Hauke-Peter Vehrs

Journal of Eastern African Studies, 2016, vol. 10, issue 1, 88-110

Abstract: Oral evidence from pastoral Pokot on vegetation changes in the rangelands of northern Baringo District points to major changes in structure and biodiversity composition over the past century. A landscape of perennial grasses has turned into an Acacia-dominated bush-land. Pelil (Acacia nubica), talamogh (Acacia mellifera), or anyua (Acacia reficiens), which characterise the pastoral landscape today, have increased rapidly since the 1950s. This article compares perceptions of current changes in grass compositions with former accounts, highlighting local assessments of declining high-quality grasses such as abrute (Brachiaria deflexa, Setaria homonyma) or puyun (Eragrostis cilianensis). The changes described are linked to a number of causal factors (high grazing pressure, restriction of pastoral mobility, increasing population numbers), allowing us to historicise the profound change in landscape vegetation. The costs and benefits of bush encroachment are also examined. The tremendous increase in goat numbers, and the sizeable growth of camel herds, is closely connected to the increased availability of fodder plants for browsers. The article concludes by contrasting the views expressed on landscape by Pokot elders with scientific accounts of environmental change.

Date: 2016
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DOI: 10.1080/17531055.2015.1134401

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