Many species, such as dasyurid carnivores, bats, owls, and cockatoos are particularly dependent on large areas of old growth eucalypt forest.    From Wordnik.com.  [Southeast Australia temperate forests] Reference

Many other species, such as dasyurid mammals, also undergo dramatic population increases during better seasons, followed by population crashes in drier times when they possibly retreat to refuge areas.    From Wordnik.com.  [Simpson desert] Reference