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New Zealand Journal of Forestry (1996) 41(1): 32–36
©New Zealand Institute of Forestry

Research article
JAS log volumes estimates of New Zealand radiata pine and Douglas-fir logs

J.C. Ellis , D.H. Sanders and D. Pont

Sectionally measured radiata pine and Douglas-fir sawlog data has been analysed to study the relationship between true volume and that derived using the Japanese Agricultural Standard (JAS). Although JAS volume estimates on logs of average dimensions are close to true cubic, large errors are introduced with increase in log taper and decrease in small-end diameter
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