The New Encyclopędia Britannica: L-ZEncyclopędia Britannica, 1992 - 32 pages |
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Page 52
... vegetation — i.e . , one approximating the ideal of a vegetational climax . Nev- ertheless , in broad terms , climate remains the dominant control over vegetation . Zonal belts of precipitation , re- flecting latitude and contrasting ...
... vegetation — i.e . , one approximating the ideal of a vegetational climax . Nev- ertheless , in broad terms , climate remains the dominant control over vegetation . Zonal belts of precipitation , re- flecting latitude and contrasting ...
Page 54
... vegetation . The Sahara has one of the lowest species densities in the world , and a sustained vegetation cover ( which can include trees and bushes ) occurs only in the massifs and oases . Elsewhere , the vegetation is discon- tinuous ...
... vegetation . The Sahara has one of the lowest species densities in the world , and a sustained vegetation cover ( which can include trees and bushes ) occurs only in the massifs and oases . Elsewhere , the vegetation is discon- tinuous ...
Page 56
... vegetation descended onto the plateaus ; and there is evidence that the Saharan climate was greatly ameliorated , much to the advantage of humans . Dur- ing the warmer , drier interpluvials the existing vegetation was degraded in many ...
... vegetation descended onto the plateaus ; and there is evidence that the Saharan climate was greatly ameliorated , much to the advantage of humans . Dur- ing the warmer , drier interpluvials the existing vegetation was degraded in many ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Cōte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe