The Adverse Effects of In-Stream Mining

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How in-stream mining disturbs the biological chemistry of the river?

Destruction of riverbed vegetation and scenic beauty of the river affects its aesthetic value. In-stream mining reduces the number of wooden debris and coarse stones in the rivers. These are important habitats of invertebrates present there. This way the biological chemistry of the river gets disturbed. Mining also causes water pollution as many a times chemicals and oils used in mining equipments are washed away into the river water. Depreciation of property also happens due to this extraction process.

The importance of sand and gravel in construction industry

Severe environmental damages are done due to lack of proper mining practices and safeguards. One of the most used materials in the construction industry is sand and gravel. River and streams are their common sources. The process of extraction of sand and gravel from rivers and streams is known as in-stream. This process is attracting attention these days as adversely affects the aquatic eco-system of the river along with its recreational and aesthetic value.

What are the alternatives available for sand and gravel?

Use of alternatives may also be considered. Some of the possible alternatives are slag, expanded aggregates (certain types of clays that expand when heated), recycled rubber tyres, etc. Even though extraction has so many disadvantages, this process cannot be banned. However, it should be encourage to be done in a balanced way.

River mining affects the productivity of fishes

Turbidity disturbance also causes adverse effects on fishes, as they do not get sufficient food to eat. Such fishes suffer from many diseases. As the turbidity increases, the amount of sunlight that can penetrate the water decreases. Due to lack of sunlight, the productivity of aquatic eco-system suffers. The productivity of fishes also decreases as mining process interferes with it. The amount of suspended particles found in a unit of water is known as turbidity. River mining increases turbidity thereby degrading its quality.

River mining affects the productivity of fishes

Turbidity disturbance also causes adverse effects on fishes, as they do not get sufficient food to eat. Such fishes suffer from many diseases. As the turbidity increases, the amount of sunlight that can penetrate the water decreases. Due to lack of sunlight, the productivity of aquatic eco-system suffers. The productivity of fishes also decreases as mining process interferes with it. The amount of suspended particles found in a unit of water is known as turbidity. River mining increases turbidity thereby degrading its quality.

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