Soil That Stays: Understanding Desertification
When people hear the word "desert," they usually picture towering sand dunes baking under a blazing sun. True deserts are natural ecosystems full of specially adapted plants and animals. However, a very different process happens when healthy, productive land gradually dries out and loses its ability to support life. This harmful environmental change is known as desertification.
Desertification does not mean that existing deserts are simply marching forward to swallow nearby towns. Instead, it happens when drylands—areas that receive low or unpredictable rainfall—become degraded because of human activities and climate pressures. In a healthy dryland, grass, shrubs, and trees act like a natural shield. Their roots spread deep into the ground, binding the soil particles together like an underground net. When it rains, this web of roots helps the ground absorb moisture like a sponge, keeping vital nutrients from washing away.
- desertification:
- The process by which healthy, productive land becomes dry, degraded, and unable to support life.
- drylands:
- Regions of the world that naturally receive little or unpredictable rainfall.
- nutrients:
- Substances in the soil that nourish plants and help them grow.
- topsoil:
- The uppermost layer of dirt that contains rich organic matter and nutrients for plants.
- drought:
- A long period of time with little to no rainfall.
- shelterbelts:
- Long barriers of trees planted to block wind and protect soil and crops.
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Preview questions from this passageShowHide
- 1What is the key difference between a natural desert and land undergoing desertification?
- 2How does the underground root system in a healthy dryland protect the soil?
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About this explanatory article passage for 5th Grade
“Soil That Stays: Understanding Desertification” is a explanatory article reading passage about desertification and land conservation, written for 5th Grade. It takes about 3 minutes to read (424 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.