| PN21363 | Biodiversity conservation of protected areas and across wider landscape | |
| PN21365 | Threatened ecosystems and species in Australia | |
| PN21367 | Biodiversity of mammals, birds, acacias and eucalypts in Australia | |
| PN21369 | Condition of wetlands and riparian zones | |
| PN21373 | Vegetation clearing as a threat | |
| PN21375 | Water use and availability | |
| PN21377 | Water quality in Australia | |
| PN21442 | Dryland salinity in Australia | |
