🔬 Discovery

Trophic cascade

Cascada trófica

Date
1949 · confidence low
Place
Baraboo, Wisconsin, United States
Credited to
Aldo Leopold
Field
Life & health

What was discovered

An ecological concept describing how the effects of top predators cascade down a food chain, altering prey abundance and vegetation, intuited by Aldo Leopold from his observations of wolves and deer.

What it led to

  • foundation of top-down control in community ecology
  • theoretical basis for large-predator reintroduction programs such as wolves in Yellowstone
  • spur to experimental research in trophic ecology

Links

Sources✓ verified 2026-09-28