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wetlands

(Encyclopedia) wetlands, low-lying ecosystem where the water table is always at or near the surface. It is divided into estuarine and freshwater systems, which may be further subdivided by soil type…

mesta

(Encyclopedia) mestamestamāˈstä [key], association of Spanish sheep farmers, formed to regulate sheep raising and to prevent cultivation of pastureland. Its date of origin is uncertain, but by 1273…

Liebig, Justus, Baron von

(Encyclopedia) Liebig, Justus, Baron vonLiebig, Justus, Baron vony&oobreve;sˈt&oobreve;s bärônˈ fən lēˈbĭkh [key], 1803–73, German chemist. As professor at Giessen (1824–52), he was among the…

kudzu

(Encyclopedia) kudzukudzuk&oobreve;dˈz&oomacr; [key], plant of the family Leguminosae (pulse family), native to Japan. Kudzu (Pueraria thunbergiana) has a woody stem, broad leaves, and…

cutworm

(Encyclopedia) cutworm, name for the larvae of many moths of the family Noctuidae (owlet moths). These larvae, or caterpillars, feed at night on the stems and roots of young plants, often cutting…

hawkweed

(Encyclopedia) hawkweed, any species of the genus Hieracium of the family Asteraceae (aster family), widely distributed perennials, chiefly of open fields. The small, dandelionlike flower heads are…

Schütt, Great

(Encyclopedia) Schütt, GreatSchütt, Greatshüt [key], Slovak Velký Žitný OstrovSchütt, Greatvĕlˈkē zhĭtˈnē ôˈstrôf [key], island, c.725 sq mi (1,880 sq km), SW Slovakia, in the Danubian lowlands…

avalanche

(Encyclopedia) avalanche, rapidly descending large mass of snow, ice, soil, rock, or mixtures of these materials, sliding or falling in response to the force of gravity. Avalanches, which are natural…

Dix, John Adams

(Encyclopedia) Dix, John Adams, 1798–1879, American statesman, b. Boscawen, N.H. He served in the War of 1812, was later admitted to the bar, and practiced law in Cooperstown, N.Y. He held high state…

Upolu

(Encyclopedia) UpoluUpolu&oomacr;pōˈl&oomacr; [key], volcanic island (1986 est. pop. 163,000), Samoa, S Pacific, the most populous of the Samoan islands. Upolu's land area is c.430 sq mi (1,…