author(s)
Talhat Munir, Dr. Mubashar Hussain, Sana Naseem

abstract
From all the described species of biodiversity, 6% belongs to fresh water and has great importance as source of food, building material, preventing flood and erosion. It contributes to economic productivity, and treasury to genetic material. On Earth, freshwater is the most transformed and threatened ecosystem due to many threats. Water pollution is one of them, which include both point and non-point sources by human activities. Water pollution causes many haphazards, so protection of freshwater biodiversity from this is the ultimate challenge.