In the Sahara region, the age of onset of the desert condition has been uncertain until now.
Here we report on the discovery of 7,000,000-year-old eolian dune deposits from the …

The first part of this flora summarized the climatic factors of the Sahara, the composition and
origin of the Saharan flora, the ecological adaptations of desert plants, and man's …

THE TUAREG of the Sahara proper, as I have defined it, are divided into three confederations,
those of the Tassili-n-Ajjer, the Ahaggar, and the Adrar-n-Ifoghas, distributed in that order …

… Sahara that has for 40 years been under armed occupation. It begins with Spain, s colonizing
of Western Sahara … to the costs to occupy Western Sahara. The relevant international law is …

The chapter on health in this comprehensive survey of African conditions is divided into
sections. Section I deals with the early medical work undertaken by Europeans, and pays tribute …

The Sahara occupies an area of some 8 million km2, below the 100 mm … Sahara offers a
great bio-climatic diversity; there are a Mediterranean Sahara to the North, a Tropical Sahara …

… of the Sahara. Thirteen countries with 148 million inhabitants share this vast terri tory and the
deprivation that its name by Robert P. Ambroggi implies. The Sahara, … below the Sahara. Oil …

… The harsh and hyperarid Sahara in northern Africa is the largest hot desert on Earth. The
Sahara … In the last decades, the active role played by the Sahara in the climate system has been …

This authoritative, widely adopted text provides a broad introduction to the geography of Africa
south of the Sahara. The book analyzes the political, economic, social, and environmental …

The Sahara has not always been desert; desert and semi-arid conditions have alternated on
many occasions. At the junction of the Pliocene and Pleistocene conditions were probably …