
            E8 PHOSPHORUS CONCENTRATION
SRP (soluble reactive P)[micro g l-1]
  Year    SRP
  1967   25-55.
  1968   10-20.
  1970   14-25.
  1979     9
Source: Allanson, B. R. (1979) The physico-chemical limnology of Lake Sibaya. Lake Sibaya (ed. Allanson, B. R.), pp.42-74.