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Articles by Pentti Roiko-Jokela

Category : Article

article id 7550, category Article

Aarne Nyyssönen, Pentti Roiko-Jokela, Pekka Kilkki. (1971). Studies on improvement of the efficiency of systematic sampling in forest inventory. Acta Forestalia Fennica no. 116 article id 7550. https://doi.org/10.14214/aff.7550

Keywords: forest inventory; costs; sampling; sample plots; sample plot size; systematic sampling

Abstract | View details | Full text in PDF | Author Info

Emphasis was laid on the finding of regression equations to indicate the dependence of standard error upon various variables in systematic sampling. As a result, the size of sample for a given precision could be computed, under varying alternatives of sample plot size and type. Another task was that of examining inventory costs by means of time studies. On combination of the results in regard to the sample size and survey time, the relative efficiency of different alternatives could be discussed, with a view to the precision of the total volume of growing stock.

The PDF includes a summary in Finnish.

Nyyssönen, E-mail: an@mm.unknown
Roiko-Jokela, E-mail: pr@mm.unknown
Kilkki, E-mail: pk@mm.unknown

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