Desertification: This guide was developed

This guide was developed to help provide an overview of global desertification . We provide context and background information to help you understand what desertification is, what causes it, how it impacts people and wildlife, and how we can address it. See the table of contents below for quick navigation. Summary of Key Points Table of... Desertification is the persistent degradation of dryland ecosystems by variations in climate and human activities. Home to a third of the human population in 2000, drylands occupy nearly half of Earth’s land area. Across the world, desertification affects the livelihoods of millions of people who rely on the benefits that dryland ecosystems can provide. In drylands, water scarcity limits the production of crops, forage, wood, and other services ecosystems provide to humans. Drylands are ... Desertification , Meaning, Causes, Effects and Preventions Desertification includes soil erosion and loss or degradation of vegetation. Read all about Desertification , Meaning, Causes, Impact and Prevention for UPSC Exam. Desertification , the process by which natural or human causes reduce the biological productivity of drylands. Such declines may be the result of climate change, deforestation, overgrazing, poverty, political instability, unsustainable irrigation practices, or combinations of these factors.