In physical geography, a tundra (/ ˈ t ʌ n d r ə, ˈ t ʊ n-/) is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: Arctic, [2] Alpine, [2] and Antarctic. [3] Tundra vegetation is composed of dwarf shrubs, sedges, grasses, mosses, and ...

Feb 7, 2025 · 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 …

Feb 12, 2019 · Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for...

Dec 4, 2024 · Tundra form in two distinct cold and dry regions. Arctic tundra are found on high-latitude landmasses, above the Arctic Circle—in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, for example—or on far southern regions, like Antarctica.

冻土层（Tundra），亦作冻土、冻原或苔原，语出萨米语tūndra(tundar的属格)，意思是“无树的平原”。 在自然地理学指的是由于气温低、生长季节短，而无法长出树木的环境；在地质学是指0℃以下，并含有冰的各种岩石和土壤。

The tundra is the coldest of the biomes. It also receives low amounts of precipitation, making the tundra similar to a desert. Tundra is found in the regions just below the ice caps of the Arctic, extending across North America, to Europe, and Siberia in Asia. Much of Alaska and about half of Canada are in the tundra biome.

Jun 19, 2024 · The tundra biome is a cold, treeless region found in the Arctic, Antarctic, and high mountain tops. The term “tundra” comes from the Finnish word “tunturi,” meaning “treeless plain.” The word in Russian is “тундра” (túndra), which then entered English. Main Characteristics of …

Children who live near a tundra will probably learn the word's meaning through perceptual information. 来自 Cambridge English Corpus A disadvantage of modern methods of reindeer …

Oct 19, 2023 · Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers.

Tundra is mostly known for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. Tundra is broadly separated into two types: arctic tundra and alpine tundra.