Tundra | Definition, Climate, Animals, & Facts | Britannica
2024年11月11日 · Tundra, a cold region of treeless level or rolling ground found mostly north of the Arctic Circle or above the timberline on mountains. Tundra is known for large stretches of bare ground and rock and for patchy mantles of low vegetation such as …
Tundra - Arctic, Permafrost, Climate | Britannica
2024年11月11日 · Tundra - Arctic, Permafrost, Climate: Tundra climates vary considerably. The most severe occur in the Arctic regions, where temperatures fluctuate from 4 °C (about 40 °F) in midsummer to –32 °C (–25 °F) during the winter months. Alpine tundra has a more moderate climate: summers are cool, with temperatures that range from 3 to 12 °C ...
Tundra - Arctic, Flora, Fauna | Britannica - Encyclopedia Britannica
2024年11月11日 · Tundra - Arctic, Flora, Fauna: In Arctic and alpine tundras, the number of species of plants and animals is usually small when compared with other regions, yet the number of individuals per species is often high.
tundra - Kids | Britannica Kids | Homework Help
The tundra is a large, barren region with no trees. In fact, the word tundra comes from the Finnish word tunturia , which means “treeless plain.” Areas of tundra lie between the permanent ice of the far north and the northern forests of North America, Europe, and Asia.
tundra Facts | Britannica
Tundra, a cold region of treeless level or rolling ground found mostly north of the Arctic Circle or above the timberline on mountains. Tundra is known for large stretches of bare ground and rock and for patchy mantles of low vegetation such as mosses, lichens, herbs, and small shrubs.
tundra summary | Britannica
tundra, Treeless, level or rolling ground above the taiga in polar regions (Arctic tundra) or on high mountains (alpine tundra), characterized by bare ground and rock or by such vegetation as mosses, lichens, small herbs, and low shrubs. Animal …
Tundra climate | Arctic, Subarctic & Permafrost | Britannica
2024年11月8日 · Tundra climate, major climate type of the Köppen classification characterized by sub-freezing mean annual temperatures, large annual temperature ranges (but not as large as in the adjacent continental subarctic climate), and moderately low precipitation. The tundra climate region occurs between 60°.
tundra - Students | Britannica Kids | Homework Help
The tundra is an area of treeless, level or rolling ground found in cold regions. It accounts for roughly 10 percent of Earth’s surface. The two major tundra zones are the Arctic tundra, found mostly north of the Arctic Circle, and the alpine tundra, located above the timberline on high mountains (see Arctic regions).
Arctic tundra | Britannica
In tundra …of the Arctic Circle (Arctic tundra) or above the timberline on high mountains (alpine tundra). Tundra is known for large stretches of bare ground and rock and for patchy mantles of low vegetation such as mosses, lichens, herbs, and small shrubs. This surface supports a meagre but unique variety… Read More; vegetation
Tundra Definition & Meaning | Britannica Dictionary
TUNDRA meaning: a large area of flat land in northern parts of the world where there are no trees and the ground is always frozen.