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    Understanding Land Management and Desertification in the South African Kalahari with Local Knowledge and Perspectives

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    Author
    Kong, Taryn M.
    Issue Date
    2012
    Keywords
    local knowledge
    participatory evaluation
    rangeland condition
    rangeland management
    Natural Resources
    dryland restoration
    land degradation
    Advisor
    Orr, Barron J.
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Embargo
    Release after 30-Jun-2013
    Abstract
    Desertification, or land degradation in drylands, is a serious environmental problem in South Africa with tremendous socio-economic consequences. Land users' perspectives on land management practices and knowledge about their rangelands have been poorly represented in the discourse of land degradation in South Africa. We addressed this knowledge gap by examining three participatory methods to capture local knowledge and perspectives, as well as the relation between knowledge, attitude and practice status relative to three land management actions done by livestock farmers in the South African Kalahari. Photo elicitation captured a greater level of detail and new information compared to semi-structured interviews alone, while enhancing researchers' understanding of farmers' knowledge and perception in multiple ways. The photovoice group discussions led to farmers' engagement in reflective dialogues, which facilitated mutual learning among the farmers. We found that a high level of knowledge and positive attitude alone did not always result in actual full scale practice. Situational factors such as limited financial resources, inadequate farm infrastructure, farm size, and land tenure were given by farmers as constraints or challenges to their land management. We further examined how effective local knowledge and remotely sensed data were in assessing the veld condition in the Kalahari Duneveld. The farmers' assessment of veld condition corresponded to field measured grass, shrub and bare ground cover. The three vegetation metrics calculated from remotely sensed images (i.e., Normalized Difference Vegetation Index (NDVI), Soil-Adjusted Vegetation Index (SAVI), and the tasseled cap greenness) all correlated poorly to the measured vegetation cover because of the excess spectral noise caused by the high iron oxide content in the Kalahari sand. Local perspectives and knowledge have potential to augment traditional ground-based rangeland assessment and contribute in the combat against desertification by offering a more holistic view of land management.
    Type
    text
    Electronic Dissertation
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Graduate College
    Natural Resources
    Degree Grantor
    University of Arizona
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