section_path: Geography/Environmental issues
section_name: Environmental issues
paragraph_text: Environmental issues
  
  Desertification is a serious problem in Sudan. There is also concern over soil erosion. Agricultural expansion, both public and private, has proceeded without conservation measures. The consequences have manifested themselves in the form of deforestation, soil desiccation, and the lowering of soil fertility and the water table.
  
  The nation's wildlife is threatened by poaching. As of 2001, twenty-one mammal species and nine bird species are endangered, as well as two species of plants. Critically endangered species include: the waldrapp, northern white rhinoceros, tora hartebeest, slender-horned gazelle, and hawksbill turtle. The Sahara oryx has become extinct in the wild.