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  2. Tundra - Wikipedia

    en.wikipedia.org/wiki/Tundra

    In physical geography, 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 tundra, [2] alpine tundra, [2] and Antarctic tundra. [3]

  3. Great Plains ecoregion - Wikipedia

    en.wikipedia.org/wiki/Great_Plains_ecoregion

    The Ogallala aquifer, or the High Plains aquifer, is an integral fresh water source for the entirety of the Great Plains region, providing drinking water to 80% of the population and irrigating 13 million acres of land. Precipitation, seasonal lakes, and prehistoric water reserves serve as sources of water for the aquifer, which lies beneath ...

  4. Pine - Wikipedia

    en.wikipedia.org/wiki/Pine

    Pine trees are evergreen, coniferous resinous trees (or, rarely, shrubs) growing 3–80 metres (10–260 feet) tall, with the majority of species reaching 15–45 m (50–150 ft) tall. [7] The smallest are Siberian dwarf pine and Potosi pinyon , and the tallest is an 83.45 m (273.8 ft) tall sugar pine located in Yosemite National Park .

  5. Tree line - Wikipedia

    en.wikipedia.org/wiki/Tree_line

    In addition, no trees survive on any of the subantarctic islands near the peninsula. [citation needed] Trees growing along the north shore of the Beagle Channel, 55°S. Southern Rata forests exist on Enderby Island and Auckland Islands (both 50°S) and these grow up to an elevation of 370 metres (1,200 ft) in sheltered valleys. These trees ...

  6. Ecology of the Rocky Mountains - Wikipedia

    en.wikipedia.org/wiki/Ecology_of_the_Rocky_Mountains

    In the southern Rocky Mountains, a transition occurs between about 5,900 and 8,200 feet (1,800 and 2,500 m), where plains communities are accompanied by pinyon pines. Two-Needle Pinyon's and singleleaf pinyons are found in western Utah, alligator junipers and Rocky Mountain junipers grow to the south, and Utah junipers grow to the north. Many ...

  7. Central Great Plains (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Central_Great_Plains_(eco...

    The Great Plains Ecoregion; Flora of the Great Plains (North America) Great Plains—related topics; Temperate grasslands, savannas, and shrublands in the United States — biome's ecoregions in the U.S. List of ecoregions in the United States (EPA) List of ecoregions in the United States (WWF) — Region 109 on the map

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