Effect of climate index on diameter increment of 40 Austrian pine half-sib lines
Copyright policy )Effect of climate index on diameter increment of 40 Austrian pine half-sib lines
The effects of the climate characters and climate index calculated by Thornthwaite-Mather method on diameter increment of Austrian pine trees in the seedling seed orchard on Jelova Gora was studied in the period from 1996 to 2002. The samples for dendrometric analysis were taken from 498 trees in 40 half-sib lines originating from the best natural sites of this species. A strong correlation was determined between the range of precipitation regime and Thornthwaite-Mather climate index, and the development of current diameter increment. The study results indicate that the diameter increment of Austrian pine increases considerably with the increase of humidity, regardless of the relatively modest demands regarding the site productive characteristics.
diameter increment, climate conditions, Forestry, Austrian pine, SD1-669.5, climate index
diameter increment, climate conditions, Forestry, Austrian pine, SD1-669.5, climate index
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