tundra ne demek?
- Kutuplara yakın bölgelerin bitki örtüsü.
- Bu bitkilerle kaplı geniş alan, kutup bozkırı.
High latitude biome dominated by a few species of dwarf shrubs, a few grasses, sedges, lichens, and mosses Productivity is low in this biome because of the extremes of climate.- Treeless plain characteristic of the arctic and subarctic regions.
- The treeless plains of the Arctic Circle For most of the year the temperature is below zero degrees.
- 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.
- Type of ecosystem dominated by lichens, mosses, grasses, and woody plants Tundra is found at high latitudes and high altitudes Arctic tundra is underlain by permafrost and is usually saturated.
- Treeless rolling plain.
- Area in the north of North America and Eurasia where subartic conditions restrict vegetation to mosses and lichens.
- The biome that occurs around the Arctic circle, characterized by lichens, mosses, sedges and dwarf trees.
- Almost treeless plains next to the polar ice All but the top few inches of soil are permanently frozen.
- Land of lichens and mosses without trees.
- Treeless barrens For a fascinating description of the life of the tundra, see E C Pielou's A Naturalist's Guide to the Arctic Tundra is usually flat or undulating, covered with lichen, sedges and grasses, mosses, and low shrubs Characteristic of the Arctic and high-altitude regions outside the Arctic.
- There are two types of tundra in the world, Arctic and Alpine The arctic tundra is at the top of the world around the North Pole The tops of tall cold mountains are alpine tundra The most distinctive characteristic of the tundra soil is its permafrost, a permanently frozen layer of ground which can be 2000 feet thick.
- Treeless arctic or alpine biome characterized by cold, harsh winters, a short growing season, and potential for frost any month of the year; vegetation includes low-growing perennial plants, mosses, and lichens.
- Treeless artic plain.
- Cold tree-less habitat with permanently-frozen subsoil which supports only low shrubs, grasses, mosses and lichens.
- Tundra is a cold, treeless area; it is the coldest biome.
- The tundras mark the limit of arborescent vegetation; they consist of black mucky soil with a permanently frozen subsoil, but support a dense growth of mosses and lichens, and dwarf herbs and shrubs, often showy-flowered.
- Tundra.
- Vast treeless plain in the arctic regions between the ice cap and the tree line.
- Rolling, marshy, mossy plain of Northern Siberia.
- Treeless biome mainly in the north polar areas that has long frigid winters and brief summers and where grasses, mosses, lichen, low shrubs, and a few flowering plants survive.
- One of the level or undulating treeless plains characteristic of northern arctic regions in both hemispheres.
- Flat or rolling treeless plain found in arctic and subarctic regions, usually with black mucky soil and permanently frozen subsoil.
- Tundra, bozkır, çok büyük ve ağaçsız kutupsal (arktik) bölge (örneğin Sibirya'da, kuzey Kanada'da, ve Lapland'da bulunan)
- Tundura.
tundra kugusu
- Tundra swan
tundra soil
- Tundra topragi