These include stable geology, low seismic activity, an arid environment and a stable political and economic structure.

See springboks, jackals and oryx surviving in their harsh, arid environment.

In its natural arid environment, plants can be highly flammable and are susceptible to damage from fires that are often the result of human action.

In a now arid environment where arable land and pasturage were once at a premium, the population grew.

Red kangaroos are capable of conserving enough water and selecting enough fresh vegetation to survive in an arid environment.