Sea otters are keystone species in kelp forests. Kelp forests rely on the top-down pressure sea otters exert via predation on ...

1993). There are a number of other well-described examples where keystone species act as determinate predators. Sea otters (i) regulate sea urchin populations, which in turn feed upon kelp and ...

New research led by Monterey Bay Aquarium reveals a surprising ripple effect in coastal ecosystems: the collapse of one ...

Urchins however are readily consumed by sea otters (keystone species), and by keeping urchin numbers low, otters assure that the kelp forest community remains intact. Bottom-up forces influence ...

Scientists thus consider otters “keystone species”: creatures, such as beavers, elephants and wolves, that exert disproportionate influence on the world around them. Whether otters have likewise ...

Oaks, Asters and 6 Other 'Keystone' Native Species to Plant for Biodiversity University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up ...

American river otters are a keystone species in aquatic ecosystems, the trust said. Their presence indicates a healthy ecosystem. “As a predator, they regulate prey populations, their foraging ...

University of Delaware entomologist Doug Tallamy’s research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects ...