Caribou and muskoxen significantly affect Arctic plant growth, revealing their overlooked role in climate impacts.

The study, published today in the journal PNAS Nexus, highlights the importance of large herbivores to the Arctic ecosystem, ...

A new study highlights the importance of caribou and muskoxen to the greening Arctic tundra, linking grazing with plant phenology and abundance in the Arctic tundra.

Can you find different food chains in a tundra habitat? First, find a producer – a plant that makes its own food from sunlight. Next, find a consumer that eats the producer. Then, find another ...

A study links herbivory to phenology in the Arctic. Phenology is the study of the timing of events in the natural world. In recent decades ...

After three decades, I had returned north with a purpose: to assess how tundra plants were responding in a rapidly changing climate. For my assistants and me, the plan was straightforward.

Landscape fires trigger soil erosion processes: the tundra's upper cover, being left without plant protection, warms up faster and deeper, which leads to a significant degradation of the permafrost.

At the time, Minnkota officials said a new rule from the Environmental Protection Agency had created "uncertainty" for Project Tundra. The rule requires coal power plants to cut or capture 90% ...