What are the main causes of desertification in Africa quizlet?

What are the main causes of desertification in Africa quizlet?

What are the 3 main causes of desertification? 1) Over-cultivation. 2) Overgrazing….

• Population growth.
• Farmers using marginal land for arable farming.
• The continual growth of crops means that there is no leaf litter to release nutrients into the soil. This means the soil has less moisture, and is less fertile.

What are the causes and effects of desertification in Africa?

The region currently faces extensive desertification caused by numerous factors. These factors include very high birth rates and thus expansion of agriculture into unsuitable areas, uncontrolled tree cutting for a fuel, all connected with effects of climate change and bad government policies.

Which is the main cause factor for desertification?

Overgrazing: Overgrazing is one of the major factors of land degradation or desertification.

What causes desertification in Sub Saharan Africa?

In areas of low precipitation, like Sub-Saharan Africa, long droughts that turn arid land to unproductive, barren soil are a frequent cause of desertification. Soil nutrients deplete and become unproductive in areas where growers overuse and overharvest formerly arable land.

What are the causes of desertification and drought?

Although the cycles of drought and climatic disturbances can contribute to the development of desertification, it is mainly caused by overgrazing, land clearance, over-exploitation of cultivated and natural lands, and by generally using land in a way that is inappropriate to local conditions.

What is the main cause of why there is poor soil in sub Saharan Africa quizlet?

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

What is causing desertification in East Africa?

Poverty-related agricultural practices are a major contributor to desertification. Continuous cultivation without adding supplements, overgrazing, lack of soil and water conservation structures, and indiscriminate bushfires aggravate the process of desertification.

Where does desertification occur in Africa?

Desertification in Africa More specifically, desertification plays its largest role in the grasslands of East Africa, the Kalahari Desert and the Sahara Desert. These regions span over 65 percent of the land. In Ethiopia, 80 percent of the land is at risk of desertification.

What causes drought and desertification in South Africa?

Whereas over cultivation, inappropriate agricultural practices, overgrazing and deforestation have been previously identified as the major causes of land degradation and desertification, it is in fact a result of much deeper underlying forces of socio-economic nature, such as poverty and total dependency on natural …

Which one of the following is not a cause of desertification in Africa?

Long-term decline in rainfall is NOT the cause of desertification in Africa.