Best answer: What are the main causes of desertification in Africa?

What are the human causes of desertification?

Human activities that contribute to desertification include the expansion and intensive use of agricultural lands, poor irrigation practices, deforestation, and overgrazing. These unsustainable land uses place enormous pressure on the land by altering its soil chemistry and hydrology.

What are the main causes of desertification in Africa quizlet?

This is caused by several factors- drought, overgrazing of farm animals, improper farming techniques, and the cutting down of trees. The mass destruction and cutting down of trees and other vegetation.

How can desertification be prevented?

Strategies to reduce desertification

  1. Planting more trees – the roots of trees hold the soil together and help to reduce soil erosion from wind and rain.
  2. Improving the quality of the soil – this can be managed by encouraging people to reduce the number of grazing animals they have and grow crops instead.

What are the causes and effects of desertification?

Causes of land desertification are a combination of natural phenomena and human activities. These include things like climate change, deforestation, and overexploitation of soil by farming.

What is desertification short answer?

Desertification refers to the process of fertile land becoming unproductive. This means that the land struggles to grow any type of vegetation due to lack of minerals and nutrients in the soil.

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Why is desertification a huge problem in Africa?

It has been estimated that 319 million hectares of Africa are vulnerable to desertification hazards due to sand movement. … Deforestation exposes the soil to high temperatures which break down the organic matter, increase evaporation and make the soils vulnerable to erosion.

What are the causes of drought in Africa?

Drought in South Africa caused by El Niño, human action and climate change. The present drought in Cape Town has been caused by extremely poor rainfall in recent months, with the result that the water supplies are under enormous pressure.