Unlock Elite Access: Level Up Your Preparation with Exclusive Content

Geography Optional 300+ Score Pack · Model answer

How does ecosystem decay affect‬‭ the biodiversity ‬‭of an area?

  • Environmental Geography

Unlock the full answer · ₹1,770 ↓

The term "Ecosystem Decay" was coined by Thomas E. Lovejoy in the 1980s during the landmark Biological Dynamics of Forest Fragments Project (BDFFP) conducted in the Amazon Rainforest. It refers to the cumulative process by which habitat fragmentation leads to local extinctions and the gradual deterioration of ecosystem functions — encompassing biodiversity loss, trophic instability, disruption of nutrient cycling, and collapse…

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

  • Ecosystem Decay: Origin, Definition, and Conceptual Significance
  • Core Dimensions of Ecosystem Decay
  • 1. Edge Effect and Microclimatic Alteration
  • 2. Area Reduction and the Species–Area Relationship
  • Vulnerability by Body Size and Trophic Position
  • 3. Isolation and the Collapse of Connectivity
  • …and 10 more sections, with a conclusion
Geography Optional 300+ Score Pack

Geography Optional 300+ Score Pack

Unlock this answer and 800+ more

  • 820 solved PYQ model answers (2013–2026), Paper I and Paper II
  • Topic-wise across all 20 syllabus units
  • 20 PYQ Pattern Analysis & Strategy reports, one per unit
  • Diagrams and maps drawn inside the answers, where you would draw them
  • 500 days of access from the day you enrol, on phone, laptop or tablet

₹1,770₹2,50029% off

Get Geography Optional 300+ Score Pack @ ₹1,770 →

One-time payment · No subscription · Instant access · UPI, cards, RuPay

See every Environmental Geography question (97 solved) →Already enrolled? Log in