Recent observations have revealed that an outbreak of wood-boring insects is killing snow gum forests in a number of area in Kosciuszko National Park. Following an initial attack an affected tree enters a state of decline that ends with the death of all above-ground parts. Although snow gum resprout from the base after an attack, repeated attacks kill the trees completely. The severity of the current attack in some locations suggests that entire sub-alpine woodlands will perish in the coming decade. Currently data on the extent and severity of the wood-borer outbreak is limited to a handful of locations in NSW ski resorts. We desperately need data on the condition of trees outside these small areas to inform our understanding of the extent and severity of the sub-alpine die-back across the Australian Alps.
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Metadata last updated on 2019-04-12 14:00:47.0