sentences:  The area is considered to be one of the state's major conservation areas, and although it is far from pristine due to its history of logging operations, a number of species of threatened fauna are rebuilding populations through the removal of introduced predators such as foxes and feral cats.The combined area of the woodland is , with individual blocks ranging in size from to .Part of Dryandra Woodland is listed on the Register of the National Estate by the Australian Heritage Council.