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Heavy metals (2) |
Salix babylonica (2) |
Acacia mearnsii (1) |
Biomonitor (1) |
Biomonitoring (1) |
Brabejum stellatifolium (1) |
Cadmium (1) |
Commelina benghalensis (1) |
Eerste River catchment (1) |
Eutrophication (1) |