How do animals and humans cause erosion ?

Erosion occurs for several reasons, but a main reason is human activity. When humans disturb the earth with construction, gardening, logging and mining activities the result is a weakening of the topsoil of the earth, which leads to excessive wearing away and erosion. Animals can cause soil erosion only in the case of overgrazing, be it in the wild or fenced pasture. And only if wind or water transports the exposed soil. In the wild, only extreme drought conditions will result in overgrazing; otherwise, the animals naturally migrate to greener pastures

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