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Tree species selection by free ranging koala populations in victoria australia

, : Tree species selection by free ranging koala populations in victoria australia. Australian Wildlife Research 12(2): 137-144

The selection of tree species in free-ranging populations of koalas at Phillip I. and the Brisbane Ranges in Victoria [Australia] were studied. At both sites koalas were found almost exclusively in Eucalyptus spp., but occasionally utilized Acacia spp. Although koalas occurred in most Eucalyptus spp. available (all of 3 spp. at Phillip I., and 5 of 6 spp. at the Brisbane Ranges), both populations showed preferences for 1 or 2 spp., especially E. viminalis. Individual koalas showed different preferences, but the majority preferred E. viminalis. Some occurred exclusively in other species (e.g. E. globulus) even when E. viminalis was close by. Koalas showed preference for individual trees within a species. There may be seasonal changes in use of tree species. [other species selected were E. ovata, E. radiata, E. macrorhyncha, E. obliqua, E. polyanthema, A. mearnsii, A. melanoxylon.].

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