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Pastoralists’ Perception and Ecological Knowledge on Savanna Ecosystem Dynamics in Semi-arid Botswana

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Type: Journal Article
Author: Kgosikoma, Olaotswe; Mojeremane, Witness; Harvie, Barbra A.
Journal: Ecology and Society
Volume: 17
Page(s):
Date: 2012
URI: https://hdl.handle.net/10535/8682
Sector: Grazing
Region: Africa
Subject(s): grazing
indigenous knowledge
livestock
rangelands
land degradation
Abstract: "We investigated vegetation dynamics in relation to livestock grazing as perceived by pastoral farmers in different regions of Botswana. A structured questionnaire was used to collect farmers’ understanding of vegetation changes and causes within three different grazing lands. The pastoral farmers’ description of dominant vegetation differed significantly both at the local and district level, which suggests that rangelands consist of patches dominated by different grasses and woody vegetation. Most pastoralists indicated that grass composition has undergone changes, and unpalatable grasses such as Aristida congesta and Megaloprotachne albescens are increasing. The different factors perceived by pastoral farmers to cause changes in vegetation composition included rainfall, overgrazing, and fire. Bush encroachment is considered to be more common in communal grazing land than in ranches. According to pastoral farmers, the ranching system is less degrading to the environment and more sustainable for livestock production than is communal grazing."

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