treeless rolling plain ne demek?

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Cold tree-less habitat with permanently-frozen subsoil which supports only low shrubs, grasses, mosses and lichens.
Tundra.
Rolling, marshy, mossy plain of Northern Siberia.
One of the level or undulating treeless plains characteristic of northern arctic regions in both hemispheres.
Treeless plain characteristic of the arctic and subarctic regions.
Type of ecosystem dominated by lichens, mosses, grasses, and woody plants It is found at high latitudes and high altitudes Arctic tundra is underlain by permafrost and usually very wet.
Area in the north of North America and Eurasia where subartic conditions restrict vegetation to mosses and lichens.
Almost treeless plains next to the polar ice All but the top few inches of soil are permanently frozen.