Definition
Deserts describe protected landscapes characterized by bare rock, gravel plains, dunes, salt flats, dry channels, sparse vegetation, and large exposed surfaces. The term is used here as a physical-geography feature rather than a legal park designation.
This atlas category is descriptive rather than regulatory: it does not imply a protection class, management standard, or minimum size. Local examples may be known by terms such as arid landscapes or desert wilderness, but those names can carry narrower regional meanings. The shared category is useful because it identifies a comparable landscape pattern while leaving room for geological and ecological variation.
Clear boundaries are especially important where deserts overlaps with related landforms in the same protected area.