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This Concept Map, created with IHMC CmapTools, has information related to: DAVIES RM IT WK 17 Desertification causes and effects concept map, overworked land causes salination increases, Effects categorised into Environmental, Climatic ???? low rainfall / irregular, Environmental ???? overworked land, Political ???? wars, Social ???? poor education, overpopulation (LEDCs) need more fuelwood, Environmental ???? vegetation dies, Causes categorised into Climatic, Technological ???? lack of information about climate patterns, Causes categorised into Environmental, poor irrigation causes salination increases, Technological ???? ineffective water stores, less vegetation impedes on more fuelwood, Environmental ???? less land to support pop.n, Economical ???? increasing food prices, Causes categorised into Social, Causes categorised into Technological, Environmental ???? deforestation, Social ???? overpopulation (LEDCs)