Find out what do the terms ‘algal bloom’ and ‘red-tides’ signify.
Algal bloom- An algal bloom is a term used for excessive growth of algae over a water body causing discolouration of the water body. Algal blooms result in the death of fishes and other aquatic organisms. Red tides- Red tide is the red colouration of sea water due to the presence of dinoflagellate Gonyaulax.