GS 1 · 2020Physical Geography10 Marks

Q16.The process of desertification does not have climate boundaries. Justify with examples.

Directive: Justify10 marks

Introduction

Desertification, land degradation in arid, semi-arid, and dry sub-humid areas, is a global phenomenon whose processes and impacts increasingly transcend traditional climate boundaries.

Body

Drivers Beyond Arid Zones

Human activities, not solely climate, are primary drivers. These include deforestation, overgrazing, unsustainable agriculture, urbanization, and poor water management.

Examples Across Climates
  • Semi-arid/Dry Sub-humid: The Sahel and Thar Desert exemplify degradation from overgrazing, intensive farming, and water scarcity.
  • Humid/Sub-humid: The Amazon basin and Southeast Asia experience severe soil erosion and nutrient loss due to extensive deforestation and slash-and-burn agriculture.
  • Temperate: Parts of Europe and the USA suffer from intensive monoculture, soil compaction, and salinization from irrigation, degrading fertile lands.
Global Implications

This widespread degradation causes loss of productivity, biodiversity, dust storms, food insecurity, and forced migration, demonstrating its global reach.

Conclusion

Thus, desertification is not confined by climatic zones but is a complex, human-driven process demanding integrated global solutions.

145 words · target ~150