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African Journal of Aquatic Science

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River and wetland classifications for freshwater conservation planning in KwaZulu-Natal, South Africa

NA Rivers-Moore, PS Goodman

Abstract


To provide the foundation for a freshwater conservation plan for KwaZulu-Natal, three-level hierarchical river and wetland type classifications, based on spatio-temporal scaling relationships, are proposed. This resolution of classification is appropriate for regional- or provincial-scale conservation planning. The hierarchical structure of the classifications provides scope for finer resolution, by the addition of further levels, for application at a sub-regional or municipal scale. The proposed classifications include 74 river and 16 wetland types. River typing incorporating a classification based on intra-annual flow patterns from 40 gauging weirs could not be accurately represented spatially. Research on testing the strengths of the relationships among environmental surrogates for biotic diversity is proposed.

African Journal of Aquatic Science 2010, 35(1): 61–72



http://dx.doi.org/10.2989/16085914.2010.466598
AJOL African Journals Online