soil man-induced

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• Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… …   Wikipedia

• soil — 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… …   Universalium

• Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• Soils retrogression and degradation — in the French school of pedology are two regressive evolution processes associated with the loss of equilibrium of a stable soil. Retrogression is primarily due to erosion and corresponds to a phenomenon where succession reverts back to pioneer… …   Wikipedia

• Historic desertification — The Mediterranean and its transition zones to the deserts are characterized by impressive Roman and Byzantine ruins, which are subject of discussion how these magnificient cities could be deserted. It was assumed that population growth or… …   Wikipedia

• Historische Desertifikation — Die aktuelle Diskussion um Desertifikation nimmt häufig Bezug auf Veränderungen der Siedlungsdichte in den Wüstengürteln seit Entstehung der ersten Hochkulturen. Es wird vermutet, dass der Mensch seit der Erfindung des Ackerbaus stark in den… …   Deutsch Wikipedia

• Terricola — Taxobox name = Terricolans |thumb image caption = Geoplana burmeisteri Schultze Mueller, 1857, a typical Geoplanidae from the atlantic rainforests of southern Brazil regnum = Animalia phylum = Platyhelminthes classis = Turbellaria subclassis =… …   Wikipedia

• Tapirapé — The Tapirapé indigenous people is a Brazilian Indian tribe that survived the European conquest and subsequent colonization of the country, keeping with little changes most of their culture and customs. Stationed deep into the Amazon rainforest,… …   Wikipedia

• ECONOMIC HISTORY — This article is arranged according to the following outline: first temple period exile and restoration second temple period talmudic era muslim middle ages medieval christendom economic doctrines early modern period sephardim and ashkenazim… …   Encyclopedia of Judaism

• UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …   Encyclopedia of Judaism