A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...

Researchers invert a classical approach to modeling food webs. Instead of trying to replicate stable, complex ecosystems using simplistic representations of species interactions, the authors' novel ...

Add Yahoo as a preferred source to see more of our stories on Google. Every living thing plays a role in the food chain and Earth's ecosystems, and the extinction of certain species, whether predators ...

A principal aim of ecologists is to identify critical levels of environmental change beyond which ecosystems undergo radical shifts in their functioning. Both food-web theory and alternative stable ...

1. Ecosystems may affect each other through trophic interactions that cross ecosystem boundaries as well as via the transfer of subsidies, but these effects can vary depending on the identity of ...

In the Grand Canyon reach of the Colorado River, two species play an outsized role in the fate of mercury in the aquatic ecosystem, and their numbers are altered by flood events. In the Grand Canyon ...

Broadcast version by Isobel Charle for Washington News Service reporting for the Sentient-Public News Service Collaboration Beef production has steadily been rising over the last half-century.