Page 367 - Primary Six Notes

Silting

Is the process by which fine sand , mud or other things are car-

ried into the water body.

Causes of silting

 Soil erosion

 Cultivation near water sources

 Allowing animals to drink from water bodies

 Swamp drainage

 Burning / destroying vegetation in the swamp

Effect of silting

 It destroys habitat for animals that live in water

 Lower water level and it dries out

 Destroys source of food for fish and other aquatic animals

 Kills fish of other animals and plants in water

 Destroys eggs of fish and other aquatic animals.

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