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SUMMARY Evidence obtained during examination of 46 tree-lethal electrical discharges in the radiata pine (Pinus radiata D.Don) stands at Ovens Plantation is discussed. The loss of sawlog volume is described. Some of the theories explaining death of groups of trees affected by electrical...
SUMMARY Forest fires have been photographed from the air with infra-red film, and observations with an infra-red image converter have been used to map wild fires through heavy smoke.
SUMMARY Samples were collected from smoke clouds above forest fires, und the sizes of the smoke particles were determined. Most particles appeared to be approximately 0.1μ in diameter.
SUMMARY The resistance of the heartwood and sapwood of several species of the genus Callitris to attack by the brown rot fungus Coniophora olivacea has been compared. The heartwood of the three forms of C. columellaris, and also of C. macleayana proved to be highly resistant to attack. The...
SUMMARY A series of programmes has been developed for an I.B.M. 1401 computor to process the basic field plot measurements for forest research and management, by calculating mean diameters and heights of trees, and values per acre such as basal areas, volumes and numbers of trees by utilization...
SUMMARY The forest was described as consisting of 26 classes of trees in which the total numbers of trees, the average sawlog volumes per tree, and the average growths of sawlog volume per annum were known. The annual cut was prescribed in advance, and limits were placed on the volume of 14-inch...
SUMMARY Observations and experiments on the lignotuberous and seedling regeneration in spotted gum—ironbark forests are recorded. The effects of annual prescribed burning, severe wildfires, and regeneration burning on lignotubers and seedling establishment are described. Factors having a bearing...
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