Ganga river's pollution and it's effect
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causes:
increase in population
various human activities like bathing, washing clothes, bathing of animals
dumping harmful industrial wastes
effects :
dangerous diseases such as cholera, typhoid.
decrease in fresh water
loss of natural beauty
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The excessive amounts of human waste and toxic effluents that find their way into the Ganga river are not only polluting the water but also causing deficit of dissolved oxygen in the riverbeds in some of the most polluted stretches of the river, a new study has found. Dissolved oxygen is an important parameter that determines health and rejuvenation capacity of any riverine ecosystem. The amount of dissolved oxygen in a river depends on atmospheric supply of oxygen, photosynthetic process, and oxygen-consuming metabolic and chemical processes. If dissolved oxygen falls below the threshold of 2 milligram per liter, it can lead to mass killing of fish and harm other aquatic life.
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