An archway's most important stone is the keystone, the wedge-shaped piece of rock at its apex. |
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Whitebark pines are what silviculturists term a keystone species of upper subalpine ecosystems. |
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Hence, the conservation of a keystone species leads to the preservation of the eco-system. |
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The protection of keystone species is seen as a way of ensuring the protection of the majority of other species. |
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The survey identified a few keystone species that should be protected in Barbudan waters. |
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With a thickness of 12 inches, the arch features a decorative keystone and double corbels, outlined by antique glazing on a white lacquer base. |
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Gary Nabhan discovered ironwood's role as a keystone species in the Sonoran Desert ecosystem. |
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He is the alpha and the omega, the principle and the end, the foundation stone and the keystone, the plenitude and the plenifier. |
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The keystone of Indonesia's political system, rooted in the constitution of 1945, is a strong presidency. |
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This win-win strategy is the keystone of the economic policy framework of the Government. |
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The keystone of a strong trademark policy is proper selection of trademarks. |
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More and more, I have come to believe that the keystone of the whole process is the set of beliefs within the employee population. |
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They had begun to realize that, should the king abscond, the keystone of the whole constitution would be lost, with incalculable consequences. |
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Moreover, palm fruits have been proposed to be keystone resources for Neotropical vertebrate frugivores. |
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The Galapagos have some fantastic, unique bird species that are a keystone of evolutionary biology, such as Darwin's finches. |
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Endangered and keystone species, like the Nilgiri tahr, constitute the basis for bio-diversity conservation. |
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A keystone species in several ecosystems, the grizzly was listed in 1975 as threatened in the lower 48 states. |
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Northern fulmars are a keystone Arctic species, providing vital nutrients to an otherwise desolate landscape. |
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The keystone is the central cohesive source of support for the greater whole. |
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Once it's all been limewashed it will look most remarkable, especially if I put a low-relief grotesque mask where he's got a simple keystone. |
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So the keystone to the whole enterprise is getting the body in balance. |
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The FBI keystone cops have been aware of it for months, having made a good quid for their Christmas party by selling the information to Valerie Whatsername at the White House. |
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From the looks of it, mistletoe is a keystone species and plays a crucial role in that forest ecosystem. |
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As for our partners, they bind together our annual report like the keystone which supports the whole structure. |
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True structural stepped arches with cast stone plinth block, spring line bases, and keystone are the focus of the main entry courtyard beyond the cast stone stair and ramp. |
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The hotel is a keystone of the master plan to rejuvenate Trenton. |
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It is already a keystone of the school and the neighborhood, and it represents a rare and welcome realization of the socializing potential of buildings. |
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For example, a keystone predator may prevent its prey from overrunning an ecosystem. |
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The Higgs, which is involved in giving other particles mass, is the keystone of the particle-physics rulebook known as the Standard Model. |
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Just as it is the case for water and crops, agriculture and food belong to the global heritage and are the keystone of life. |
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Ecologically significant species tend to be keystone species that play a central role in the structure of the terrestrial food web. |
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The twofold territory-forum articulation can constitute a true keystone of the new architecture for which we are drawing up the blueprint. |
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As the keystone of society, the family is the most favourable environment in which to welcome children. |
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Highly attractive return potential thanks to a keystone industry in the Canadian economy, the financial sector. |
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This palm is considered a keystone species because it supplies fruits for birds and rodents all year and is intensively harvested for culinary purposes. |
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As evidence mounts that conserving large keystone species is necessary to maintain the food chain, another factor in their conservation has been apparent for some time. |
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Detailed studies had been made by ornithologists on important keystone species like Great Pied Hornbill and Malabar Grey Hornbills in the Anamalais. |
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Well, you remove a keystone species and the entire ecosystem can collapse. |
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They have made keystone XL the poster child of their climate-change efforts. |
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If Assad falls and a new government is formed by Sunni rebel forces, Iran loses a keystone in its regional power structure. |
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In the Pacific Northwest and Alaska, salmon are keystone species, supporting wildlife such as birds, bears and otters. |
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Construct your personal shelf using dentil moulding, porch spandrels, a keystone and brackets. |
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Building on previous attempts to define key development objectives, the MDGs have clearly become the new keystone of the development community's agenda. |
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Beaver are a keystone species helping support the ecosystem of which they are a part. |
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Barbour's poetic account of these events is a keystone in Scotland's national story. |
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The polar bear is the apex predator within its range, and is a keystone species for the Arctic. |
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The keystone of the structure created by the Judicature Acts was a strong court of appeal. |
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However, the concepts of those keystone texts cannot be equated with Taoism as a whole. |
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Representatives of early Chinese Buddhism, like Sengzhao and Tao Sheng, knew and were deeply influenced by the Taoist keystone texts. |
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These assets are the keystone of Israel's efforts to expand its ties with major multinationals looking to move into up-and-coming technologies and develop innovative approaches. |
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Potential higher returns through dynamic keystone industries. |
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The 'dialogue' between judges which is initiated by a national judge is the keystone of the Community legal order, which is the judges' responsibility to uphold. |
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This principle is also the internal market's keystone. |
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The Danes are keystone cops, tripping over each other as they quit the city, while the duke – a confirmed teetotaller – looks suspiciously excited and flushed. |
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The goals of this long-term study are to examine the interplay of this keystone herbivore and its habitat, especially in response to increases in goose numbers and climate change. |
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Some rodents are considered keystone species and ecosystem engineers in their respective habitats. |
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African influence can also be seen in the language of Papiamentu, now the keystone of Curacao communication. |
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As political philosophy and a keystone for constitutional interpretation, The Federalist has unquestioned value. |
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One example of a keystone species in the NWT is the barren-ground caribou, which covers large areas of tundra and is preyed upon by wolves, grizzly bear and golden eagles and harvested by virtually all communities. |
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Today, the BTWC is a crucial keystone among numerous instruments and initiatives in our collective defences against poisoning and deliberate disease. |
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Until the topmost voussoir, the keystone, is positioned the vault is not self-supporting. |
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They are a keystone species, providing food for the foxes and coyotes and shelter for others: many ground dwellers make homes out of the rats' burrows, which pockmark the plain. |
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Learn more about keystone country and these agritourism destinations at www. |
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As a keystone species, oysters provide habitat for many marine species. |
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Porpoises are very sensitive to anthropogenic disturbances, and are keystone species, which can indicate the overall health of the marine environment. |
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The latest threat to the forest emerged in 2002 when another Asian woolly adelgid that kills hemlock, another keystone species of the forest, entered the park. |
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Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks. |
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