WitrynaWater cycles exist in all processes of water resources utilization, including water-saving irrigation. Due to the complex water cycle process of irrigation, the ecological effects and safety of large-scale water-saving irrigation have received increasing attention. This paper analyzed both the positive and negative ecological effects of water-saving … WitrynaHuman factors act like a feedback loop. Humans enhance the impacts of drought by the over-abstraction of surface water from rivers and ponds, and of groundwater from aquifers. Key human factors encouraging this are: Population growth: rapid population growth puts pressure on the land to grow more food. Migrants fleeing from one …

Mitigating the impacts of desertification and drought

WitrynaAccording to the United Nations Convention to Combat Desertification, the lives of 250 million people are affected by desertification, and as many as 135 million people … WitrynaThe risk of drought and desertification is highest in sub-Saharan Africa, where over 80% of the population depends on rain-fed agriculture. The region experiences frequent dry spells, erratic rainfall patterns, and prolonged periods of … lightly design

(PDF) Drought preparedness, impact and response: A case

Witrynaconsequences of desertification Drylands cover about half of the earth's ice-free land surface and many of them belong to the world's poorest countries, which exacerbates … WitrynaDesertification is land degradation in drylands, resulting from various factors including climatic variations and human activities. Water scarcity is the long-term imbalance … WitrynaDesertification Impacts. Farming becomes difficult or even impossible in the area; Flooding chances are more; Hunger – because of no farming; Poor quality of water; … lightly dev