Bordeaux (1) Département du Nord (1) Tchad (1) Centrafricaine, république (1) Nigeria (1) Cameroun (1) Intercession (1) Development (1) Deterioration (1) Variation (1) Adaptation (1) Observations (1) Surveys (1) Observations (1) Protected areas (1) Rooms (1) Water (1) University presses (1) Transhumance (1) Sorghum (1) Soil-binding plants (1) Running (1) Ruminants (1) Rain and rainfall (1) Profit (1) Peasants (1) Pastures (1) North (The word) (1) Natural resources (1) Herders (1)