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
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
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
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.
It is suggested that by the Early Cambrian, organisms higher in the
food chain caused the microbial mats to largely disappear.
It may have been at the top of the
food chain in its local ecosystem.
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.
The python can grow up to 20 feet (6.1 m) long and competes with alligators for the top of the
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.
This would result in mass extinction,
food chain depletion, and starvation.