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Srishti MishraAIR 95· 2023

Question 15GS1GS1

Despite desert landscapes across the world reflect many similarities, the process of desertification is influenced by local factors. Elaborate with suitable examples.

Open scan (p.38)

Main Body

Deserts are a biome characterized by low precipitation and biodiversity.

Desertification is a climatic phenomenon (but influenced by anthropogenic factors) that involves the spread of desert-like features in a region.

[Diagram showing desert types]: Subtropical desert, Desert, Semi-arid, Arid, Hot desert, Himalayas, Savanna desert, Antharctics cold desert.

(B) All deserts show low precipitation year-round.

(D) How vegetation due to inadequate water/moisture.

(E) Low quality soil with high weathering/erosion acid soil eg: mushroom trees.

(F) Very few animals ie: cold blooded insects in warm deserts, and some blooded in cold deserts.

Modifying animals that hibernate to escape harsh condition.

Descriptification is influenced by local factors:

1Overuse/over-extraction of groundwater leading to large water scarcity.
2Encroachment of water bodies/wetlands creating dry micro-climate eg: Hyderabad wetlands are now urban areas.
3Inadequate rainfall/rainwater harvesting creating large [unclear text]

him - STB and inadequate replenishment of local water sources.

As a result, desert-like condition start to spread. This is being seen in rain off-can motions to Sahara is spreading to cover most of Africa and moving southwards. Similarly, it is drying region of N.India (eg Rajasthan, Gujarat) and inland countries of Africa, inland countries of Africa, local factors influence desertification.

A only local change can contract it. UN Convention Combat Desertification Aim to bring together nations to reduce the threat of expanding desert landscapes due to human folly.

225 words13 paragraphs

Diagram

Desert types classification showing Subtropical desert, Semi-arid, Arid, Hot desert, Cold desert, and regional examples (Himalayas, Sahara, Arctic)

Answer continues on next page
  • Clear definition of deserts and desertification
  • Recognition of both climatic and anthropogenic factors
  • Use of diagram to organize desert types
  • Discusses multiple environmental characteristics
  • Links local factors to desertification process
  • Provides specific examples
  • Geographic examples showing global desertification patterns
  • References international convention
  • Connects human activities to desertification

Topper

Srishti Mishra

AIR 952023

Subject & Paper

GS1GS1

Topic

Desertification and desert ecosystems

Important Geophysical Phenomena and geographical changes

Desert formation and environmental factors

Writing Stats

225

Total words

13

Paragraphs

academic

Tone