Similar trophic cascades have shaped the ecosystems of other parks ... These streamside regions are a small but crucial part of the Yellowstone landscape, providing food resources and habitats ...

Ocean ecosystems play a critical role in carbon ... have increased atmospheric CO2 levels by nearly 50%, from 280 parts per million just over a century ago to about 417 ppm today.

The deep seafloor showed a flourishing ecosystem, and the team believes they may have discovered several new species during their research.

Fire is a natural part of ecosystem cycles, especially in forests, prairies, and grasslands, which have evolved to depend on fire for diversity. After a fire, the landscape may appear scarred ...