Sahel
- UF Sahel-Afrika
- UF Sahellanden
72GEOGRAFIE- MT
7221Afrika - BT1 Afrika ten zuiden van de Sahara
- RT droogte (
5216) - RT droogtezone (
5211) - RT woestijn (
5211) - RT woestijnvorming (
5216)
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)
Dutch)