National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Vliv nadmořské výšky a severní expozice na morfologickou a anatomickou stavbu jehlic smrku ztepilého
Ambrož, Petr
There were chosen three localities even-aged spruce growth from different altitudes and northern exposure at the Jeseníky Mountains. Subsequently, literary review was composed. The introductory part to the bachelor's thesis is mainly focused on the description, ecology and the influence of climatic conditions on growth and assimilation apparatus of Norway spruce in. Later, sun-exposed one-year old shoots were sampled from the selected localities. Needles were taken from the shoots and then used for making the cross-sections. Other needles were taken for needle area and length analysis. Morphological and anatomical analysis was done on the microscopic pictures. Results were processed statistically by program Statistica 12. It was found that with increasing altitude the length and the projection area of needles are decreasing. The predictive maps for some morphological and anatomical parameters were also created by the use of elevations and solar radiation data in ArcGIS.
Vliv solární radiance na morfologickou a anatomickou stavbu jehlic smrku ztepilého
Ambrož, Petr
There were chosen twelve localities with even-aged Norway spruce trees from different altitudes and northern and southern exposure at the Jeseníky Mountains. One-year old sun-exposed shoots were sampled from every locality. Needles were taken from shoots and then used for making the cross-sections. Additional needles were taken for needle area, needle length and dry matter analysis. Anatomical analysis was done on the microscopic pictures. The predictive maps for some morphological and anatomical parameters were created by the use of elevations and solar radiation data in ArcGIS. It was found that with increasing altitude the morphological and anatomical parameters of needles were not in linear progress. The best correlations with solar radiation was found for needle length. In this case, the change of needle length was explained by 82 % by the change of solar radiation. Although the growth of needles and thus the tree is determined by complex influence of external and internal factors, these results indicate significant effect of solar radiation on the Norway spruce growth at the Jeseníky Mountains.
Vliv nadmořské výšky a severní expozice na morfologickou a anatomickou stavbu jehlic smrku ztepilého
Ambrož, Petr
There were chosen three localities even-aged spruce growth from different altitudes and northern exposure at the Jeseníky Mountains. Subsequently, literary review was composed. The introductory part to the bachelor's thesis is mainly focused on the description, ecology and the influence of climatic conditions on growth and assimilation apparatus of Norway spruce in. Later, sun-exposed one-year old shoots were sampled from the selected localities. Needles were taken from the shoots and then used for making the cross-sections. Other needles were taken for needle area and length analysis. Morphological and anatomical analysis was done on the microscopic pictures. Results were processed statistically by program Statistica 12. It was found that with increasing altitude the length and the projection area of needles are decreasing. The predictive maps for some morphological and anatomical parameters were also created by the use of elevations and solar radiation data in ArcGIS.

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