In instances where the tree continues to live and is healthy, in most cases, the bark around the scar will continue to grow, gradually thickening and growing out and into the void where the earlier bark had been removed. The s tump in the Fitzroy Gardens is a case in point - gradually loosing height and volume and sinking into the ground, despite various treatments. Even the cases where tree surgery and preservation techniques are used to extend its life, the scar will still be lost. Even dead a scar tree can stay in the landscape for another hundred years of more, but it will not last forever. In 400-500 years, it might be assumed that natures elements - of disease, decay, storm damage, natural fire, insect and animal damage, and just old age, will result in trees dying. Despite some Eucalypts being very long lived, many are senescent in a couple of hundred years. Scars are lost both because trees die, or because the continue to live. But there are also natural forces at work reducing the stock of surviving scarred trees.
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