arctic tundra

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• Arctic ecology — is the scientific study of the relationships between biotic and abiotic factors in the arctic, the region north of theArctic Circle (66 33’). This is a region characterized by stressful conditions as a result of extreme cold, low precipitation, a …   Wikipedia

• Arctic Alaska — or Far North Alaska is a region of the U.S. state of Alaska generally referring to the northern areas on or close to the Arctic Ocean. It commonly includes North Slope Borough, Northwest Arctic Borough, Nome Census Area, Wade Hampton Census Area …   Wikipedia

• Tundra — Tipos principales de hábitat del WWF (11. Tundra) Tundra de Groenlandia en verano Caracter …   Wikipedia Español

• Arctic Refuge drilling controversy — Arctic National Wildlife Refuge Map The question of whether to drill for oil in the Arctic National Wildlife Refuge (ANWR) has been an ongoing political controversy in the United States since 1977.[1] The issue has been used by both Democrats and …   Wikipedia

• Arctic Ocean — Arctic Sea redirects here. For the cargo ship, see MV Arctic Sea. The Arctic Ocean Earth s oceans (World Ocean) …   Wikipedia

• Arctic bumble bees — are found in the Arctic tundra. They can fly at subzero air temperatures. [Bruggemann, P. F. 1958. Insects and environments of the high arctic. Proc. 10th int. Congr. Ent. (Montreal 1956), 1:695 702.] References …   Wikipedia

• arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …   Universalium

• Arctic Regions — ▪ 2009 The Arctic regions may be defined in physical terms (astronomical [north of the Arctic Circle, latitude 66° 30′ N], climatic [above the 10 °C (50 °F) July isotherm], or vegetational [above the northern limit of the tree line]) or in human… …   Universalium

• Tundra — In physical geography, tundra is an area where the tree growth is hindered by low temperatures and short growing seasons. The term tundra comes from Kildin Sami tūndâr uplands, tundra, treeless mountain tract . There are two types of tundra:… …   Wikipedia

• tundra — /tun dreuh, toon /, n. one of the vast, nearly level, treeless plains of the arctic regions of Europe, Asia, and North America. [1835 45; < Russ túndra < Lappish; cf. Kola Lappish tundar flat elevated area] * * * Treeless, level or rolling ground …   Universalium

• Arctic — For the ships, see MV Arctic, SS Arctic, USS Arctic. For other uses, see Arctic (disambiguation) Location of the Arctic …   Wikipedia