• Acid rain with a pH near 3.0 has altered the ecology of the lakes and region; in Lake Jean low pH has decreased the number and quality of insects and plankton at the base of the food chain.
  • Wikipedia: Ricketts Glen State Park
  • Acidification has altered the ecology of the lakes and region; in Lake Jean low pH has decreased the number and quality of insects and plankton at the base of the food chain.
  • Wikipedia: Ganoga Lake
  • In the United States and the European Union, since the early 1990s regulations have been in place that are designed to prevent shellfish from contaminated waters entering the food chain.
  • Wikipedia: Bivalvia
  • Instead of plants, the basis for this food chain was a form of bacterium that derived its energy from oxidization of reactive chemicals, such as hydrogen or hydrogen sulfide, that bubbled up from the Earth's interior.
  • Wikipedia: Europa (moon)
  • It is suggested that by the Early Cambrian, organisms higher in the food chain caused the microbial mats to largely disappear.
  • Wikipedia: Ediacara biota
  • It may have been at the top of the food chain in its local ecosystem.
  • Wikipedia: Albertosaurus
  • The adult jaguar is an apex predator, meaning it exists at the top of its food chain and is not preyed on in the wild.
  • Wikipedia: Jaguar
  • The python can grow up to 20 feet (6.1 m) long and competes with alligators for the top of the food chain.
  • Wikipedia: Restoration of the Everglades
  • These radionuclides filtered into the food chain via contaminated fields where dairy cows grazed; hazardous fallout was ingested by communities who consumed the radioactive food and drank the milk.
  • Wikipedia: Hanford Site
  • This would result in mass extinction, food chain depletion, and starvation.
  • Wikipedia: Gamma-ray burst