Predicting the productivity of motor-manual workers in precommercial thinning operations
2007
LeBel, L.G. | Dubeau, D.
Precommercial thinning is an important part of intensive management in northern forests. Precommercial thinning is largely carried out by motor manual means, and workers are usually paid on a production basis. To establish a piece-rate system that fairly compensates workers, it is important to accurately predict their production for various site conditions. Based on the observation of 129 workers, a model that predicts the number of hours required to thin one hectare of forest as a function of the number of stems per hectare was developed. It was not possible to detect a statistically significant effect from site factors such as slash, rocks, stumps, and terrain slope. The model is compared with similar attempts reported in the literature. The proposed model will be especially useful to those concerned with labour productivity, compensation systems and benefit-cost analysis in silviculture.
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