The extreme vulnerability to rainfall in the arid and semiarid areas of the continent and the poor capacity of most African soils to retain moisture result in almost 60 percent of SSA being vulnerable to drought and 30 percent being extremely vulnerable.
Why is South Africa prone to drought?
South Africa is facing severe pressure with respect to water security due to an increased water demand with increasing population, poor planning and management of water resources, limited investment into water reservoir infrastructure, and recurring droughts over the past decade.
Why is Africa at risk of drought and desertification?
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 …
How can we prevent droughts?
Being mindful of the amount of water you use each day can be a powerful way to prevent droughts. Turning off the faucet while you brush your teeth, watering your garden early in the morning so less water evaporates, and installing low-flow plumbing fixtures all are good ways to prevent wasted water.
Where is the risk of drought in Africa?
Based on exposure measured as a function of the density of agricultural production per square kilometer, the risks associated with drought are greatest in southwestern Ethiopia and western Kenya.
What are people doing to stop desertification in Africa?
Preventive actions include: Integrating land and water management to protect soils from erosion, salinization, and other forms of degradation. Protecting the vegetative cover, which can be a major instrument for soil conservation against wind and water erosion.
What was the worst drought in Africa?
2011 East Africa drought. Between July 2011 and mid-2012, a severe drought affected the entire East African region. Said to be “the worst in 60 years”, the drought caused a severe food crisis across Somalia, Djibouti, Ethiopia and Kenya that threatened the livelihood of 9.5 million people.
Where was the biggest drought in the world?
The worst famine caused by drought was in northern China in 1876-79, when between 9 and 13 million people are estimated to have died after the rains failed for three consecutive years.
How can we prevent drought in South Africa?
Protection and use of springs; Cloud seeding; Evaporation suppression; Desalination of brackish groundwater or sea water; and Effluent treatment and re-use. Developing and integrating other sources like groundwater, desalination and re-use, etc., with surface systems also to enhance water security.