Title: What if there were no lemmings?
Description: Discusses the tundra ecosystem and the role of lemmings as a keystone species in helping to maintain it, describing the lemmings' place on the food chain and what would happen to the tundra if they were to become extinct.

Focusing on the value of biodiversity and preservation, this book explains what would happen to a tundra ecosystem if lemmings disappeared.
Subjects: Lemmings, Tundra ecology, Juvenile literature, Habitat, Ecology, juvenile literature, Ecology, Arctic regions, juvenile literature, Rodents, juvenile literature
Places: Arctic regions