Abstract:
Biodiversity values provide objective data and advice from which policy makes could assess the conservation options and determine optimal policies that would balance the needs of conservation with the socia-economic needs of the people in the area.
Biodiversity ratings use the following criteria:
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Species rietmess
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Species rarity/uniqueness
Species richness is based on the total number of species that occur for each sitellake/river.
Species rarity/uniqueness is based on the number ofsites/lakes/rivers at which a species occurs.