four different management systems: old-growth forest that has not been harvested or at least not in the last 40 years, coupe buffers (temporarily unharvested forest between harvested areas), shelterwood forest and forest receiving gap release treatment. Shelterwood forest limits logging to a residual basal area of c. 13m2ha-1 and gap release treatment to a residual basal area of c. 6m2ha-1. These are surrounded by an unlogged coupe buffer of approximately 100m. Focussing on timber harvesting and silviculture treatments in the present, future monitoring programs may be extended to include fire, climate change, mining, utility corridors and recreational use. Silviculture is a practice carried out in restored areas of Jarrah Forest. It aims to promote growth of retained trees, to enable the growth of young regeneration trees without having to compete with the overstory, to establish seeding regeneration and to retain and promote flora species and individuals in forests infested by dieback. Disease-loss appraisal is critical in developing economic and rational management strategies for dieback. The benefits of using biological controls and fungicides have been explored in the management of P. cinnamomi. Fifteen native Western Australian legumes were tested for their effectiveness as biological control agents against the pathogen. Five species showed high potential and by manipulating rehabilitation seed mix ratios could be used to suppress the pathogen. The fungicide phosphite has been found to be effective treatment against P. cinnamomi, especially when applied before a plant is infected. The fungicide can be applied after infection, however the greater the time between infection and treatment, the less effective it will be. It is difficult to estimate the cost of plant disease in conservation areas; loss of conservation values cannot be given monetary value. However, the cost of controlling the disease can. It was estimated that the control of P. cinnamomi in 1989 cost the Western Australian Government at least $3.4 million. Disease management plans focus on minimising the spread of the mould by restricting movement of propagules in soil and by translocating plant species from infected sites to healthy sites. Vertebrate fauna play a key role in jarrah forest ecosystem processes including pollination, grazing and predation. The chuditch, quenda and common brushtail possums are three such species considered essential in the development of a sustainable restored forest ecosystem. To prevent population numbers of these species and other vertebrates from further declining an aerial fox baiting program was introduced forest-wide. Management practices