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18 599 (0,114s) •

Result

Crown Development of Juvenile Wild Cherry Tree.

Prunus avium is a valuable broadleaves and it is very often pruned. However there are not many studies on crown development of that as a basis for right timing of pruning. This study investigates the crown development of young Wild ...

GK - Lesnictví

  • 2002
    • •
  • D
Result

A tool for a tree crown diameter measurement

A tool for a tree crown diameter measurement consists of a T-shaped solid base fitted with handle, measuring scale for different tree distances, as well as of two and movable arms. The tool for a tree crown

GK - Lesnictví

  • 2011
    • •
  • Fuzit
Result

Beyond the cones: How crown shape plasticity alters aboveground competition for space and light-Evidence from terrestrial laser scanning

and quantified the effect of tree/crown asymmetry on crown-to-crown interactions and canopy light availability with respect to tree size and species. Geometric crown models-like' arrangement...

Forestry

  • 2019
    • •
  • Jimp
    • •
  • Link
Result

THE CROWN DIAMETER ESTIMATION FROM FIXED WING TYPE OF UAV IMAGERY

-resolution UAV (unmanned aerial vehicle) imagery provide possibility to determine tree crown diameters for the whole stand at fast. The goal of this paper is to identify the influence of tree species on the accuracy of est...

Remote sensing

  • 2019
    • •
  • D
    • •
  • Link
Result

Mutual relations of dendrometric properties of trees and their use in practice

This contribution offers a comparison of various approaches to describing tree size (crown volume, crown area, leaf area) in relation to diameter of the tree trunk, which is easy to measure and lends itself to easy...

Architectural design

  • 2020
    • •
  • Jost
    • •
  • Link
Result

Differences of air temperature in the interior and around the crown of young Norway spruce tree

cm above ground inside tree crown, in 4 cardinal points in crown perimeter, 60 cm of crown. In these localities, frost sensitive tree species should be planted nextPlanting of frost sensitive broad-leaved...

GK - Lesnictví

  • 2010
    • •
  • Jx
    • •
  • Link
Result

The factors influencing the occurrence of the most common types of weak branching in trees

Dependence of treetop defect on selected dendrometric and qualitative attributes of trees was verified during years 2019-2020. The field research included 18 cultivars of domestic deciduous trees (totally 493 specimens). The value o...

Other biological topics

  • 2020
    • •
  • Jost
Result

Growth reaction of young wild cherry (Prunus avium L.) trees to pruning,

A large crown is one of the most important prerequisites for the good growth of a tree and therefore the crown could be called an engine of increment. The care for a large crown brings a decrease in the bole value ...

GK - Lesnictví

  • 2007
    • •
  • Jx
Result

3D Forest 0.51

of automatic tree segmentation and crown segmentation. on the forest environment and extraction of tree parameters. The current version v. 0.51 data, such as stem positions (X, Y, Z), tree heights, diameters at br...

Forestry

  • 2020
    • •
  • R
    • •
  • Link
Result

3D Forest 0.42

on the forest environment and extraction of tree parameters. The version 0.42 extracts, such as stem positions (X, Y, Z), tree heights, diameters at breast height (DBH), as well as more advanced parameters such as tree pla...

Forestry

  • 2017
    • •
  • R
    • •
  • Link
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