Six major geological substrates were identified in Warra and the site was found to be broadly representative of tall E. obliqua wet forests on the different geological substrates elsewhere in the State with the exception of some localised forests on substrates found in the north-east highlands.

The environmental domains approach divided the State into 50 homogenous units. The State-wide extent of those environmental domains which occur within Warra was examined and Warra again was found to be broadly representative of E. obliqua wet forests in the wider Tasmanian landscape. The notable difference between this analysis and the one using geological substrates alone is that some of the E. obliqua forests of the north-west appeared distinct from those in Warra whereas the forests of the north-east did not. The direct comparisons of species similarity and structural data are being actively pursued but are not yet complete.

Firstly the forest vegetation map of Tasmania has been intersected with a geology map to compare the distribution of tall E. obliqua forests on the substrates found in Warra with substrates supporting E. obliqua wet forests throughout Tasmania. Secondly an environmental domain analysis of Tasmania prepared using climatic geological and topographic variables was used to compare domains within Warra with the relevant ones for Tasmania generally. The third and fourth approaches compare similarity of species and structural types found within E. obliqua wet forest systems at Warra and more generally. The approaches being adopted are using direct observational records and also predictive modelling approaches both for individual species and for floristic and faunal community data.