Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

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Few modern wildlife stories are as famous as Yellowstone’s wolves. After wolves were reintroduced to the park in the 1990s, the comeback became linked to a powerful idea: predators returned, elk ...

New research has demonstrated the powerful impacts the reintroduction of predators can have on an ecosystem. The presence of wolves in Yellowstone National Park has driven a cascading effect that has ...

Wolf populations in Yellowstone National Park have myriad impacts on ecosystems, but exactly how those impacts play out in the complex system is still under consideration. New research from Utah State ...

In 1995, Yellowstone National Park became the centre of a conservation experiment that would later be celebrated across the world. Fourteen grey wolves were reintroduced after an absence of nearly 70 ...

"Painter et al. claim that large-carnivore recovery in Yellowstone National Park has produced a strong trophic cascade compared to other systems, citing a 152-fold increase in aspen sapling density ...

New research from Colorado State University is challenging the widely accepted narrative that the reintroduction of wolves into Yellowstone National Park in the mid-1990s resulted in restoring the ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Across North America, mountain lions, bears, and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

Purpose: To introduce the idea of indirect effects of predator on prey by changing prey behavior, and of trophic cascades - effects of predators on primary producers; to construct a flow diagram of ...

Visitors from the North -- Web of life. Patterns in an ecosystem ; Living in a landscape of fear : trophic cascades mechanisms ; Origins : aquatic cascades ; Why the earth is green : terrestrial ...