Line Intersect Sampling for the Density and Bark Area of Logging Residue Susceptible to the Spruce Beetle Dendroctonus Rufipennis, Kirby

Line Intersect Sampling for the Density and Bark Area of Logging Residue Susceptible to the Spruce Beetle Dendroctonus Rufipennis, Kirby

Microform - 1987
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The spruce beetle is a highly destructive pest of mature spruce in North America. Fresh logging residue is readily infested by spruce beetles. As part of a study of population dynamics of the spruce beetle carried out in central British Columbia from 1972-80, yearly estimates of the density and bark surface area of logging residues were needed. This report compares estimates of the density and bark area of stumps based on fixed plots and line intersects; determines sample sizes required for a predetermined degree of precision; and develops a method of estimating densities and bark areas of stumps based on counts only of the intersected places.
Publisher: Victoria : Pacific Forestry Centre, 1987
Description: 10 p. : ill
ISBN: 9780662158455
0662158458
Branch Call Number: MF BC-DOC 88-02381

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