Population crisis and desertification in the Sudano-Sahelian region.
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D000349:Africa; D017954:Africa South of the Sahara; D000383:Agriculture; D000828:Animal Population Groups; D003247:Conservation of Natural Resources; D003710:Demography; D003906:Developing Countries; D004190:Disasters; D004467:Economics; D004641:Emigration and Immigration; D004651:Employment; D004777:Environment; D004787:Environmental Pollution; D005069:Evaluation Studies as Topic; D005523:Food Supply; D005843:Geography; D006280:Health Workforce; D007390:International Agencies; D009938:Organizations; D011153:Population; D011156:Population Density; D011157:Population Dynamics; D011158:Population Growth; D011203:Poverty; D012959:Socioeconomic Factors; D013217:Starvation; D014171:Transients and Migrants; D014480:United Nations; D014881:Water Supply
Africa; Africa South Of The Sahara; Agricultural Workers; Animal Resources--changes; Critique; Deforestation; Demographic Factors; Developing Countries; Drought; Economic Factors; Environment; Environmental Degradation; Famine; Food Supply; Geographic Factors; Human Resources; International Agencies; Labor Force; Land Supply; Migrants; Migration; Natural Resources; Nomads; Organizations; Population; Population Density; Population Dynamics; Population Growth; Poverty; Socioeconomic Factors; Soil Degradation; Spatial Distribution; Un; Water Supply