Plantations of trees of the Australian genus Eucalyptus, in particular, Eucalyptus globulus, Eucalyptus camaldulensis, Eucalyptus cladocalyx, Eucalyptus delegatensis, Eucalyptus nitens, Eucalyptus radiata, Eucalyptus astringens, Eucalyptus bicostata, Eucalyptus brockwayi, Eucalyptus regnans, Eucalyptus gomphocephala, Eucalyptus grandis, Eucalyptus maidenii, Eucalyptus cornuta, Eucalyptus fastigata, Eucalyptus pauciflora, Eucalyptus viminalis. These plantations offer little support for indigenous biological diversity and constitute biological deserts as far as the fauna is concerned.