Algal Nutrients and Eutrophication

pollutants, atmosphere Decay, minerals, (phosphate) Minerals, pollutants Minerals Minerals Minerals 

Biomass constituent Biomass constituent Biomass constituent Protein constituent (from nitrogen-fixing organisms) DNA/RNA constituent pollutants 

Metabolic function Proteins, enzymes Metabolic function Metabolic function 

In some cases, nitrogen or even carbon may be limiting nntrients, the presence of which determines the rate of algal growth. This is particnlarly trne of nitrogen in seawater. In seawater, micronutrients, particularly iron, may be limiting. 

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