Seals and sea lions are important top predators within a complex ecosystem. Removing them will have unknown and unintended ...

Cormorants are highly effective piscivorous birds whose expanding populations in freshwater and coastal habitats have prompted extensive research into their effects on fish stocks. Predation pressure ...

Researchers at the Centre for Ecosystem Management (CEM), together with scientists from the Department of Fisheries and ...

Add Yahoo as a preferred source to see more of our stories on Google. A 20-year study on the effects of reintroducing wolves into Yellowstone National Park found that removing the apex predators has ...

Defaunation—the decline or loss of animal species from ecological communities—has emerged as a pressing challenge in tropical forests worldwide. Driven principally by hunting, habitat fragmentation ...

Marine scientists at UC Santa Barbara have found that disturbances to giant kelp forests have a major influence on their net primary productivity (NPP)—an indicator of an ecosystem's health and its ...

Expanding predator hunting sounds like a straightforward way to help struggling deer herds, but the science shows a much more complicated picture. In some places targeted predator control can boost ...