Quality and value analysis of oak wood in the submission sale of valuable wood in the Regional Directorate of the State Forests in Katowice

In special trade of the valuable wood raw material, in addition to system sales, the submission form is preferred. Increasing demand for high quality wood leads to an increase in market prices. Oak is that species that is devoted for the sale in the group of valuable wood in Poland. Oak timber have a number of features limiting their industrial significance. Its suitability is affected by quality and technical properties. The price level, which is a measure of the economic usefulness of wood, is affected by the share of defects and offered dimensions. The paper reviews the impact of not only the quality factor, but also indicates the correlation between the dimensional parameters of oak wood offered and the average sales prices of special raw material in the submission sales in the Regional Directorate of State Forests in Katowice. Attention was drawn to the influence of both the diameter of wood directed to trade at a constant log length. The paper presents the variability of oak wood prices, where a characteristic factor translating into an increase in the value of the raw material is undoubtedly the diameter of the logs of the valuable raw material