Australian Catchment, River and Estuary Assessment 2002 presents the key findings for the Audit's Ecosystem Health theme by: *reporting on the condition of catchments, rivers and estuaries within Australia's more intensively used river basins * presenting assessment methods based on an understanding of the key biophysical processes affecting catchment, river and estuary condition *serving as an input towards improved assessment and management. Australian Catchment, River and Estuary Assessment 2002 was prepared in partnership with State, Territory and Commonwealth agencies; the Fisheries Research and Development Corporation; the Cooperative Research Centre for Coastal Zone, Estuary and Waterway Management; the Cooperative Research Centre for Freshwater Ecology; Geoscience Australia; CSIRO Land and Water; and CSIRO Marine.