Intra-annual patterns of weather and daily radial growth changes of Norway spruce and their relationship in the Western Carpathian mountain region over a period of 2008-2012

Intra-annual patterns of weather and daily radial growth changes of Norway spruce and their relationship in the Western Carpathian mountain region over a period of 2008-2012

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The contribution presents the results of a 5-year (2008-2012) dendroecological research in a Norway spruce (Picea abies [L.] Karst.) clone forest (Northern Slovakia).

Due to different climatic and soil moisture conditions in the monitored years, different seasonal courses of stem increment formation mariya b vol 3 were observed using band dendrometers with continuous data recording.The lack of precipitation affected growth processes mainly during the growth culmination and at the end of summer.The multiple regression analysis of the impact of individual factors on stem circumference changes on the basis of their partial correlation coefficients ellakai revealed that the individual environmental characteristics influenced daily stem radial changes with time lags of one to ten days.

The results of the analysis of variance showed that the stem radial reactions to climatic and soil moisture factors were not significantly different between the clones.