Abstract

SUMMARY Sawn timber losses due to degrade were investigated in a 28 year-old stand of radiata pine (Pinus radiata D.Don) subjected to a series of experimental fires covering a wide range of intensities. The effect of the burning treatment on radial growth rate and density characteristics was also studied and augmented by 44 year old material of the same species which had been burnt in a wild fire. These wood characteristics were also investigated in 17 year-old trees of maritime pine (P. pinaster Aiton). The experimental fires caused a reduction of 0.4 per cent of the total possible sawn volume. There was no effect on growth rate and only a slight reduction in density in the immediate post-fire year. The accumulation of traumatic resin is discussed.

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