Many answers lie in the relationship between human activity (cause) and environmental change (effect). For instance, if the question asks what happens to the topsoil, scan for terms like "wind erosion" or "loss of moisture".
Key causes include by livestock, improper agricultural practices (e.g., monocropping without fallow periods), deforestation in drylands, and poor irrigation techniques leading to salinisation. The Sahel region in Africa is a classic example, where recurrent droughts combined with land mismanagement have turned once-fertile land into scrub and sand.
Using the passage, complete the following sentences. deforestation and desertification ielts reading answers
Solutions require understanding thresholds. Simply planting trees—a process known as afforestation—fails if soil structure has already collapsed. Once the organic carbon in topsoil drops below 0.5%, water infiltration ceases, and seedlings cannot establish. Therefore, land restoration must begin with soil microbiology and water harvesting before any silviculture occurs. The United Nations Convention to Combat Desertification (UNCCD) advocates a 'landscape approach' that prioritizes hydrological function over tree counts.
Cutting down trees for fuel and agricultural clearing. Tree roots are vital for binding soil together and conserving moisture; without them, the topsoil is easily lost to wind and rain. Typical Question Types and Answers Many answers lie in the relationship between human
The process of soil being worn away by wind or water.
TRUE . This is often explicitly cited as a statistic from the last 30 years. 2. Sentence Completion (Gapped Text) The Sahel region in Africa is a classic
If you see a passage on "Deforestation and Desertification," keep these specific answer phrases in your mental toolkit. They appear frequently:
(Paragraph discussing the loss of nutrients).