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Geography Optional 300+ Score Pack · Model answer

Describe the characteristics of biological deserts.

  • UPSC 2017
  • Biogeography

A biological desert is any area of very low biological productivity — where one limiting factor keeps net primary productivity (NPP) and biomass close to zero.

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Types and Their Limiting Factor
  • Characteristics
  • Extremely low productivity
  • Sparse, patchy biomass
  • Small producers and short pulses
  • Specialised, not lifeless
  • …and 2 more sections, with a conclusion

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