Sahel
- UF paesi del Sahel
72GEOGRAFIA- MT
7221Africa - BT1 Africa subsahariana
- RT desertificazione (
5216) - RT deserto (
5211) - RT siccità (
5216) - RT zona arida (
5211)
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- CLM unbis: Unbis (United Nations Thesaurus)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
- EXM zbw: ZBW (Thesaurus for Econmics)
Italian)