The impact of lower rainfall has negative effects on the agricultural sector, resulting in decrease in agricultural activities, loss of livestock, shortage of drinking water, low yields and shortage of seeds for subsequent cultivation in the district.
How does drought affect agriculture?
The depletion of water availability in soils causes significant declines in crops and livestock productivity. In addition, surface and groundwater supplies may decline during drought, affecting water availability and increasing costs to access water for crop or forage irrigation and watering livestock.
How does drought affect farmers in South Africa?
Drought has direct effects on agricultural production, health and livelihoods (Kala, 2017). However, indirect effects may include; reduced household welfare and increased food and livestock prices (Mare et al., 2018) .
What are the impact of drought in South Africa?
|Primary impacts||Secondary impacts|
|Increased damage to natural habitats||Loss of biodiversity|
|Reduced forest, crop, and range land productivity||Reduced income and food shortages|
|Reduced water levels||Lower accessibility to water|
|Reduced cloud cover||Plant scorching|
What are the negative effects of drought?
Drought can also cause long-term public health problems, including: Shortages of drinking water and poor quality drinking water. Impacts on air quality, sanitation and hygiene, and food and nutrition. More disease, such as West Nile Virus carried by mosquitoes breeding in stagnant water.
What are 5 causes of drought?
Here are the 5 natural and human causes of drought:
- 1) Land and water temperatures cause drought. …
- 2) Air circulation and weather patterns also cause drought. …
- 3) Soil moisture levels also contribute to drought. …
- 4) Drought can also be a supply and demand of water issue.
What are the causes and consequences of drought?
A drought is caused by drier than normal conditions that can eventually lead to water supply problems. Really hot temperatures can make a drought worse by causing moisture to evaporate from the soil. Just because a region is hot and dry doesn’t necessarily mean it is going through a drought.
What are the main causes of drought in South Africa?
One of the main causes of drought in South Africa is the variability in rainfall (Mason and Tyson, 2000; Tyson and Preston-Whyte, 2000 and Vogel et al., 2000). The El Niño phenomenon accounts for approximately thirty percent of rainfall variability (Tyson and Preston-Whyte, 2000).
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.
Why does South Africa have droughts?
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.
Which areas are affected by drought in South Africa?
South Africa has been experiencing water shortages since 2015, when delayed rainfalls and decreasing dam levels led to a drought. It was the worst drought in the country since 1982. As a result two provinces — KwaZulu-Natal and Free State — were declared disaster areas.
What are the causes of 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 …
How the impact of drought can be reduced in Southern Africa?
Enhancing irrigation schemes. Diversifying rural livelihoods through social protection, cash-transfer programs or improving access to markets and rural services: Access to markets could help create alternative non-farm employment that could reduce the impacts of droughts. Crop insurance. Shifting to drought tolerant …