Algerian Green Dam

This article is about the Algerian initiative. For the initiative in Africa, see Great Green Wall (Africa). For the initiative in China, see Great Green Wall (China).
Green Dam
Formation1970 (1970)
Founder Algeria
PurposeCombat desertification, improve soil fertility, and promote sustainable land use practices.
Location
  • Algeria

The Algerian Green Dam (French Barrage vert) refers to a project initiated in Algeria in the 1960s to plant millions of trees to stop desertification, specifically to prevent the northward advancement of the Sahara Desert.

The project has progressed and evolved through the 1970s, 80s, 90s, and into the 2000s. The green barrier is located in the pre-Saharan area in Algeria. It stretches between the Moroccan border in the West to the Tunisian border in the East, covering a total distance of approximately 1000 km.

The barrier's width ranges from approximately 20 km between isohyets of 300 mm in the North and 200 mm in the South of Algeria. The project's objective is to recover the extent of the already existing forest to stop the sand expansion. Two types of vegetation were planted: Aleppo pine, which grows easily in this region, and Alfa.

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