Question

Which of the following subtances is likely to cause eutrophication in streams and lakes? a. Sodium, b. Carbonate c. Phosphate d. Sulphate

Answer 1

phosphorus

The availability of phosphorus generally promotes excessive plant growth and decay, favouring simple algae and plankton over other more complicated plants, and causes a severe reduction in water quality. Once translocated to lakes, the extraction of phosphate into water is slow, hence the difficulty of reversing the effects of eutrophication .  However, numerous literature report that nitrogen is the primary limiting nutrient for the accumulation of algal biomass.

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