National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Re-evaluation of the published silicified woods from the Třeboň Basin (South Bohemia) and systematical description of new finds
Venclová, Sandra ; Sakala, Jakub (advisor) ; Gryc, Vladimír (referee)
VENCLOVÁ, S. (2018): Kritické zhodnocení popsaných zkřemenělých dřev z třeboňské pánve (jižní Čechy) a zpracování nových nálezů [Re-evaluation of the published silicified woods from the Třeboň Basin (South Bohemia) and systematical description of new finds. Mgr. Thesis, in Czech.] - 92 pp., Faculty of Science, Charles University, Prague, Czech Republic. Abstract: In this study sillicified woods were observed from three localities from Třeboň basin. Woods were investigated by thin sections. It was observed one species belonging to Gymnosperms, for now it is determined to taxodioid type conifer. The rest of woods belong to Angiosperms, high probably belonging to genus Paraphyllanthoxylon. By PCA analysis was investigated mutual similarity of the woods within and with related species. Investigated woods can be considered as new species of genus Paraphyllanthoxylon. Stratigraphycal position was not determined. It was discused the affiliation of sillicified woods with Lipnice series. Key words: South Bohemian Basins, Lipnice formation, Paraphyllanthoxylon, sillicified woods
The influence of different stands to characteristics of mean silver fir (\kur{Abies alba Mill.}) chronologies on localities in southern Bohemia
VENCLOVÁ, Sandra
Ten localities were chosen with different site conditions in region of southern Bohemia. Localities are situated in elevation between 472 and 770 m. Ten silver fir chronologies were created, the average tree-ring width, the standard deviation of mean and mean sensitivity were calculated for each chronology for period 70 years (1933-2002). Chronologies were compared each other via hierarchical cluster analysis, principal coordinate analysis and correlation matrices. Silver fir chronologies are similar through altitude.

See also: similar author names
3 VENCLOVÁ, Sandra
1 Venclová, Silvie
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