INVENTORY OF TRADITIONAL KNOWLEDGE TO COMBAT DESERTIFICATION

PHOTOGRAPHICAL  AND  TYPOLOGICAL  INVENTORY

A3 - STONE -DAMS
Algerian Sahara. The barrows and the stone arrangements disseminated all over the Sahara refer to a prehistoric civilisation based on the capability of catching the quantity of water contained in the atmosphere which in the presence of colder stone masses condenses and is retained in the soil.
Eel trap on Mount William (Australia). Palaeolithic Age. Adapted from a drawing by Lourandos, 1980
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STONE DAMS
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INVENTORY OF TRADITIONAL KNOWLEDGE TO COMBAT DESERTIFICATION