Analysis of information sources in references of the Wikipedia article "Apex predator" in English language version.
wolves, bears and lynx roamed the land. ... Humans chopped down the trees to make space for farms, and hunted the large animals to extinction, leaving plant-eaters to decimate the country's flora. Britain is now one of the few countries in the world that doesn't have top predators.
providing the opportunity to study the effects of an increase of a top predator on an existing predator-prey system
providing the opportunity to study the effects of an increase of a top predator on an existing predator-prey system
providing the opportunity to study the effects of an increase of a top predator on an existing predator-prey system