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1 March 2001 Demarcating Coastal Vegetation Buffers with Multicriteria Evaluation and GIS at Saldanha Bay, South Africa
Johannes H. van der Merwe, Gene Lohrentz
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Abstract

The Saldanha-Langebaan coastal zone forms an integral part of the South African coastal resource base. As elsewhere in the world, an acute need exists to balance development and economic growth and conservation in the coastal zone as an exploitable resource frontier area. Vegetated buffers and greenways are conservation concepts that have been used with great success in such conservation efforts. They are applied in the study area through the use of a Geographic Information System (GIS) as spatial decision-support system to legitimize the demarcation of a vegetated buffer zone. The method of multi-criteria evaluation, as applied here, incorporates public decision-making in constructing an objective model for buffer zone demarcation. Representatives from interested and affected parties participated in model construction and calibration, resulting in the spatial delimitation of a multi-functional vegetated buffer. It conforms to a range of functional criteria and can serve as an environmental element in coastal conservation planning frameworks.

Johannes H. van der Merwe and Gene Lohrentz "Demarcating Coastal Vegetation Buffers with Multicriteria Evaluation and GIS at Saldanha Bay, South Africa," AMBIO: A Journal of the Human Environment 30(2), 89-95, (1 March 2001). https://doi.org/10.1579/0044-7447-30.2.89
Received: 23 November 1999; Accepted: 1 July 2000; Published: 1 March 2001
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