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close this bookObstacles to Tree Planting in Arid and Semi-Arid lands: Comparative Case Studies from India and Kenya (UNU, 1982, 63 p.)
close this folder3. Kenya
View the documentLand Tenure and use
View the documentDefinition and distribution of the arid and semi-arid zones
View the documentGovernment policy on arid zone development
View the documentForestry organization and policy
View the documentRural afforestation and extension
View the documentNeeds for forest products and services in the arid zone
View the documentCurrent programmes of afforestation in the arid zone
View the documentOvercoming the major obstacles to tree planting

Definition and distribution of the arid and semi-arid zones

As stated, for the purpose of this report an exact definition of aridity is unnecessary, and the areas principally considered are those recognized as arid (350-500 mm annual rainfall) and very arid (200-350 mm) by the Government of Kenya (1979), although some of the discussion refers equally to semiarid areas (500-800 mm). The 500 mm isohyet is shown in figure 2 (page 3), the total area receiving less than 500 mm rainfall being 379,000 kmē.