Forming of pine stand quality class in Poland
Spatial differentiation of pine stand qu a lity classes in Poland was analysed. Stand belonging to th e forest natural region, forest site type and stand age were taken info account in the study. It was found that pine stand quality class is suitable feature of poor sites fertility. On poor sites connection between the stand quality class and stand age was found; stand quality class is higher for young stands. It was showed that comparatively high stand quality classes are found in the 2nd and 4th forest natural regions, and low in the 3rd and 5th forest natural regions.
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