Consequently, trees have shallow root systems and rely on extensive mycorrhizal associations for nutrient uptake. Biodiversity in the tundra is low and dominated by mosses, lichens, and low ...

frozen in ice on a barren tundra in northwest Wyoming. Uncovering the rest of the story is a race against time. The ghostly fallen trees and stumps were revealed in a melting ice patch in the ...

For caribou, growth of woody plants like alders and willows means problems. Caribou depend on tundra plants like lichen and mosses; the shrubs and trees taking over the terrain are reducing the ...

Tundra swan subspecies also winter in Europe ... These large birds feed by dipping their heads underwater to pluck aquatic plants, tubers, and roots. They also eat shellfish and are developing ...