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Geography Optional 300+ Score Pack · Model answer

How does ecosystem decay affect‬‭ the biodiversity ‬‭of an area?

  • Environmental Geography

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…

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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

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