Question

WHAT DO YOU MEAN BY ALGAL  BLOOM??

Answer 1

Algal Bloom :
                     is defined as the rapid increase in population of algae in an aquatic system. they may occur in fresh water as well as marine water system.

Answer 2

rapid increase of accumulation in the population of algae in an aquatic system is called algal bloom.algal bloom may occur in fresh water as well as  marine environment