1 - 9 of 9 results
Floods, Droughts, and Food Chains

In this talk, ecologist Mary Power discusses how a river's community of herbivores and predators is affected by changes in river flow.

Africa's Savanna Ecosystems

In this talk, ecologist Robert Pringle discusses how patterns and processes that occur in the savanna, a globally important biome, illustrate core concepts in ecology.

Patterns in Nature

In this talk, mathematical biologist Corina Tarnita discusses how spatial patterns in ecosystems provide insight into how these ecosystems function.

Learning from Past Extinctions

In this talk, biologist Anthony Barnosky discusses Earth’s five mass extinctions and whether current species declines may be part of a sixth mass extinction.

Rescuing Species

In this talk, biologist Elizabeth Hadly discusses how to preserve genetic diversity that is threatened by habitat loss.

Extreme Life of the Sea

In this talk, marine biologist Stephen Palumbi compares threats to biodiversity in the ocean to threats on land.