The ecological condition of river is represented by the condition of their biotic communities — the living components
of aquatic ecosystems that integrate many forms of human disturbances and modification of river stream and the measurements
of this subject was the topic of particular interest. Stressors or the pressures that human being exert on aquatic systems through
their use of the surrounding environment are commonly the chemical, physical and biological components of the ecosystem.
These have the potential to degrade biotic integrity
