Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems. In Yellowstone ...

In ecology, the trophic level is the position that an organism occupies in a food chain - what it eats, and what eats it. Wildlife biologists look at a natural "economy of energy" that ultimately ...

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The trophic cascade is a combination of two words- trophic which means feeding and nutrition or trophic level of the food chain; cascade means succession of stages, operations, processes or units.