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Aziz Ab'Saber
Ab'Saber, at left, being laured for contribution to geology.
Born	October 24, 1924 (1924-10-24) (age 85) São Luís do Paraitinga, São Paulo
Occupation	Geology and professor

Aziz Nacib Ab'Sáber (Portuguese pronunciation: [aˈziz naˈsib abˈsabeʁ]; born October 24, 1924) is an environmentalist and one of Brazil´s most respected scientists, honored with the highest awards of Brazilian science in geology, ecology and archeology. He is former effective president and current honor president of the SBPC (Brazilian Society for the Advancement of Science), Emeritus Professor of the University of São Paulo and member of the highest rank - Order Grão-Cruz in Earth Sciences - of Brazilian Academy of Science.

Ab'Sáber was the first person to classify scientifically the Brazilian territory in morphoclimatic domains. He also contributed to "refuge theory" or the "Pleistocene refuge hypothesis", an attempt to explain the distribution of Neotropical taxa as a function of their isolation in forest fragments during glacial periods, which allowed populations to speciate.

The contributions of Ab`Saber to science are at the same time vast and diverse, ranging from the first research of oil camps at Brazil's northeast deep to surveys of Brazil's natural realms and the restoration of the old history of forests, camps and primitive humans over geologic time in South America. He made central contributions to biology, South American archaeology, and to Brazilian ecology, geology and geography.

[edit] Selected publications

• Ab'Sáber, A. N. 1982. The paleoclimate and paleoecology of Brazilian Amazonia. In Biological Diversification in the Tropics. New York:Columbia University Press. p. 41-59.

• Ab'Sáber, A. N. 1983. O domínio dos cerrados: introdução ao conhecimento. Revista Servidor Público. vol. 40, p. 41-55.

• Ab'Sáber, A. N. 1986. Geomorfologia da região Corridor Carajás-São Luiz. In Carajás. Desafio Político, Ecologia e Desenvolvimento. São Paulo:CNPq. p. 88-123.

• Ab'Sáber, A. N. 1989. Zoneamento ecológico e econômico da Amazônia: questão de escala e método. Revista Estudos Avançados. vol. 5, p. 4-20.

• Ab'Sáber, A. N. 1990. Um plano differencial para o Brasil, Projeto Floram. Revista Estudos Avançados. vol. 5, p. 19-62.

• Ab'Sáber, A. N. 1990. FLORAM: Nordeste Seco. Revista Estudos Avançados. vol. 4, p. 149-174.

• Ab`Saber, A. N. Ecossistemas do Brasil. Metalivros, 2006.

[edit] References

• "Aziz Nacib Ab'Saber" page at the Brazilian Academy of Science website

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