Which part in Nigeria is prone to desertification?
It has been estimated that between 50 % and 75 % of Bauchi, Borno, Gombe, Jigawa, Kano, Katsina, Kebbi, Sokoto, Yobe, and Zamfara States in Nigeria are being affected by desertification. These states, with a population of about 27 million people account for about 38 % of the country’s total land area (Table 3.1).
How has desertification affected Nigeria?
In northern Nigeria, desertification threatens the livelihoods of some 40 million people. These 11 states account for about 35 percent of the country’s total land area and are key areas of livestock rearing and agricultural production, such as beans, soya beans, millet, sorghum, tomatoes, melons, peppers, and onions.
What are the 3 main causes of desertification in Africa?
Various Causes of Desertification
- Animal grazing is a huge problem for many areas that are starting to become desert biomes.
- Climate change plays a huge role in desertification.
- Soil pollution is a significant cause of desertification.
- Mining is another big reason for desertification.
- Desertification.
- Land Degradation.
What part of Nigeria is most affected by erosion?
Many States in Nigeria are currently under the threats of this phenomenal process, south-eastern part of the country being the most affected.
What are the causes and effects of desertification?
Desertification is a process that destroys fertile land. This can be caused by drought, overpopulation, over-farming, deforestation and climate change. The effects of desertification are seen in many parts of the world, but is predominantly in India, Australia, Asia and Africa.
Why is desertification a 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 erosion in Nigeria?
A land highly saturated with arable crops, high intensity of mechanical tillage, lack of soil-protecting vegetation (perennial grasses) – all these factors contribute to erosion.
Which state is highly affected by gully erosion in Nigeria?
… The Anambra and Enugu basins are the areas most affected by gully erosion (Onyekwere, 2001), an example of this can be seen in Fig. 1. Most of the gullies develop on areas with valley topography rather than areas with flat land (Obiadi et al., 2011) .
What are the harmful effects of desertification?
The adverse effects of desertification also include floods in heavy rainfall regions, land, water, and air pollution, storms and several other natural disasters, all of which can be fatal to human life. Also, due to desertification, the soil becomes unsuitable for agriculture, and there may be a huge loss of food.