water conservation zone
51Eutrophication — The eutrophication of the Potomac River is evident from its bright green water, caused by a dense bloom of cyanobacteria. Eutrophication (Greek: eutrophia healthy, adequate nutrition, development; German: Eutrophie) or more precisely… …
52Yunnan — Not to be confused with Yunan (disambiguation). Coordinates: 24°30′N 101°30′E / 24.5°N 101.5°E / 24.5; 101.5 …
53soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …
54forestry — /fawr euh stree, for /, n. 1. the science of planting and taking care of trees and forests. 2. the process of establishing and managing forests; forestation. 3. forestland. [1685 95; < MF foresterie. See FOREST, RY] * * * Management of forested… …
55plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …
56South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …
57United States Army Corps of Engineers — Infobox Military Unit unit name=U.S. Army Corps of Engineers caption=USACE Logo dates=June 15, 1775 Present country=United States allegiance= branch=United States Army type= role= size= 34,600 civilian and 650 military members command structure=… …
58Constructed wetland — Vertical Flow type of Constructed Wetlands A constructed wetland or wetpark is an artificial wetland, marsh or swamp created as a new or restored habitat for native and migratory wildlife, for anthropogenic discharge such as wastewater,… …
59List of United States federal legislation — NoTOC This is a partial list of notable United States federal legislation, in chronological order. At the federal level in the United States, legislation (a.k.a. statutes or statutory law ) consists exclusively of Acts passed by the Congress of… …
60Brunei Bay — (Malay: Teluk Brunei) is the gateway to Brunei and Borneo. It is located 4°45 5°02 N, 114°58 115°10 E; east of Bandar Seri Begawan. The Brunei portion of the bay is in two sections separated by a finger of Sarawak (Limbang) about 6km wide at the… …
