Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. social science concepts
5. [social and economic geography concepts]
6. areas (geography)

Anotations

Scope note:

Isolated areas forming natural refuges for plants and animals, including humans; may also include such refuges that are artificially designated and legally protected. Examples of natural refugia are areas to which living creatures moved during ice ages.