Biotic factors include interactions between organisms ... researchers can anticipate how future changes to wolf populations might affect the ecosystem. Studying these relationships can also ...

Tipping points are the death of ecosystems. So scientists watch as warning signs gradually worsen until an ecosystem reaches ...

Is global change therefore negligible for coastal ecosystems ... to show a cascade of effects and interactions, which influence single algae or whole populations," Wahl says.

New research led by the University of Seville (Spain) reveals that brown bear distribution across Europe and Turkey is ...

This increase can be clearly seen in a graph of human population. better health care so people are living longer new medicines are being developed so people don’t die of previously fatal ...

For decades, ecologists have puzzled over a mystery: Why do some natural habitats get overrun by invasive species while others seem to repel outside threats? In a classic 1958 book on the subject, the ...

Theories of ecosystem chaos fell out of ... rainfall, and interactions with other species that might affect populations. Their one-dimensional models captured how the populations changed, but ...

The journal Science recently published a report that found the butterfly population has dropped by ... they also play an important role in the ecosystem. Archangelo says they’re excellent ...