Question

Evaluate the negative impact of people on drainage basins and catchment areas

Answer 1

Explanation:

Human Influences.

Features such as dams affect the natural flow regime of a river, resulting in changes to both the seasonal and yearly variations in water flow. Human impacts on vegetative cover and land use within the drainage basin can affect infiltration and runoff patterns.

Answer 2

Negative human impact on drainage basins and catchment areas:

Drainage basins:

• Natural drainage basins are formed where the rivers meet seas.

• The stratified lands near such basins are used by humans as natural ports or also as dumping grounds.

• This affects the natural wild and aquatic life in the region.  

Catchment areas:

• The catchment areas that serve the purpose of storing water for the generation of electricity are used as fishing grounds by the locals.

• This affects the population of fish in the regions and contributes to ecological imbalance.

To know more:

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