Yong pine trees being stacked at an experimental irrigated plantation in northern Tunisia. They will be protected from deterioration by a covering of branches and twigs until needed for planting. - - Reforestation Institute. The Reforestation Institute was established in Tunis by the Government and the UN Development Programme (Special Fund) with FAO as the executing agency. Its general purpose is to contribute to the economic and social development of the country by increasing and diversifying timber resources and by improving the benefits resulting from a controlled forestry management programme. The benefits will include grazing, soil protection, water conservation as well as recreational and tourist facilities. Guidance is given at several demonstration plantations on the choice of forest tree species, planting techniques and the training of forestry personnel . This 5-year Project commenced in 1965.