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Effect of stand segmentation on growth and development of Norway spruce stands

Author

Listed:
  • J. Horák

    (Faculty of Forestry and Wood Sciences, Czech University of Life Sciences in Prague, Prague, Czech Republic)

  • J. Novák

    (Forestry and Game Management Research Institute, Strnady, Opočno Research Station, Opočno, Czech Republic)

Abstract

Segmentation of stands by tracks is often the first phase of forest tending. However, a suitable track width is still discussed in forest practice in the Czech Republic. This article deals with the effect of track width on the growth characteristics of young spruce stands. Research involves several variants of European thinning experiment IUFRO CZ 14 Machov situated in Eastern Bohemia. Totally 3 variants were analyzed: 1 - non-segmented control plot without thinning and plots with forest tending (at top height 10 and 20 m) and with different present width of tracks (plot 3 - originally 3.5 m, plot 4 - originally 5.0 m). The significantly positive effect of stand segmentation and tracks on dbh and crown length was found only for individuals growing in the first row next to a track. As regards the stand volume and volume of mean stem, differences between variants with skidding track (3 and 4) were found minimal and insignificant. Therefore, the observation did not reveal any evident losses of production caused by different widths of skidding tracks.

Suggested Citation

  • J. Horák & J. Novák, 2009. "Effect of stand segmentation on growth and development of Norway spruce stands," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 55(7), pages 323-329.
    • Handle: RePEc:caa:jnljfs:v:55:y:2009:i:7:id:61-2008-jfs
    DOI: 10.17221/61/2008-JFS
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