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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Development and interpretation of site tree-ring chronology of Pinus sylvestris
 Mašek, Jiří ; Treml, Václav (advisor) ; Šefrna, Luděk (referee)
The presented bachelor thesis deals with the study of climatic factors that influence the growth of the pine (Pinus sylvestris) in the locality near Rabštejn nad Střelou. The primary objective was to determine the limiting factors of tree growth and to perform dendroclimatic reconstruction. For this purpose, samples were taken at the site and local chronologies were created using various standardization methods. Using the correlation coefficients, limiting growth factors were determined, and reconstruction by regression and scaling was performed based on the highest correlation. The results showed a strong relationship of rings width to rainfall and humidity conditions, especially in the summer months and in various seasons from April to August. Most of the chronologies also showed the positive influence of February temperatures. Observed signature rings in many cases are well responsive to various climatic anomalies. For the most correlated variable, dendroclimatic reconstruction was calculated for the period 1850 - 2016 when the chronology was reliable. The reconstructed average rainfall corresponds well with the Klementinum climate line and other rainfall reconstructions.
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