School of Agriculture, Food and Ecosystem Sciences - Theses

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Subject: Estimates × Subject: Sampling (Statistics) × Author: O'Hehir, James Francis ×

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    Logging residue assessment
    O'Hehir, James Francis ( 1993)
    A total logging residue assessment system is proposed specifically for application in the Pinus radiata D.Don. (radiata pine) plantations in South Australia and Western Victoria. The choice of line intersect sampling using pseudo-circular sample lines, believed not to have been tried before, ensures a robust sampling technique able to overcome any bias that exists in the alignment of residue following harvesting. An analysis is presented defining the bias and precision obtained from a variety of geometric sample line arrangements and sampling intensities. A cost effective residue sampling system of known efficiency can be implemented as an integral component in an overall yield regulation and control system.