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This guide provides new data on the biodiversity of Algeria through the flora and vegetation of the steppes and Sahara. By proposing a phytosociological typology, it constitutes the link in a chain that will make it possible to elaborate a system of Algerian vegetation. Because of the diversity of its ecosystems, the Sahara cannot be associated with a "desert": "plant life" is present in ecological habitats (reg, hamada, erg, oued, sebkhas, adrars) where the frequency of arborescent or shrubby taxa is remarkable: nearly 50% of the trees and shrubs of Algeria are listed. In the Sahara, trees are of inestimable value: tarout, b'tom, argan and many other species are witnesses to the paleo-climatic vicissitudes that have affected the Sahara since the Tertiary era. The population is highly dependent on the flora and vegetation, which continue to provide a wide range of ecosystem services essential to their needs in terms of food, care, shelter, fuel, fodder for the many flocks of sheep and goats, etc.
Über den Autor / die Autorin
Mohammed Kaabèche, Dr. ès Sces, Prof. das Universidades, antigo aluno da ENS de Vieux Kouba (Argel) é formado pela Fac. des Sces de Argel (Univ. Argel) e pela Fac. des Sces de Orsay (Univ. Paris-Sud) onde defendeu uma tese de doutoramento em Ecologia. Professor (Univ. Sétif), ex-presidente do Comité Científico da Fac. des Sces (Univ. Sétif).
