Carbon in the Ground 4: Serengeti of the North Polar Pod

Buckle up for a trip back in time to the last ice age. We touch down in the mammoth steppe, and discover that this was a surprisingly productive ecosystem--it supported a high density and diversity of animals, including mammoths and other big hairy herbivores. So productive, it has been called the 'Serengeti of the North'. And it turns out that the very nature of this ecosystem--the interactions between herbivores, plants, microbes in the guts of animals, microbes in the soil, little di...