Waldbauliche Analyse einer freien Hochdurchforstung in ungepflegten Buchenstangenhölzern

Štefančík, L.

doi:10.1007/bf02736055

Cited by 5 publications

(6 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It seems very important that the highest number of TTs was found out on the plots tended by selective thinning and the lowest number was on the plots managed by geometrical tending and on the control ones (without tending). The presented number of TTs could be considered as very low for their subsequent development -in comparison with the results published by other authors (Abetz 1979;Štefančík 1984;Schober 1990;Spellmann, Nagel 1996;Štefančík, Štefančík 2000;Slodičák, Novák 2007) recommending about 300-400 TTs per hectare. It is evident that the required number of TTs was reached only on two plots established at the closest and at the widest initial spacing, but managed by selective thinning (A 3 and D 3 ).…”

Section: Resultssupporting

confidence: 76%

“…This can be achieved by the method of target (promising) trees -consisting in the selection and marking of a required number of trees, followed by releasing their crowns by applying positive interventions. For spruce small pole-stage stands, about 300-400 target trees per hectare are generally recommended, spaced at 5-6 m (Abetz 1979;Štefančík 1984;Schober 1990;Spellmann, Nagel 1996). In the case of the promising tree method, the twofold number of promising trees is desirable.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Development of spruce (Picea abies [L.] Karst.) target (crop) trees in pole-stage stand with different initial spacing and tending regime

Štefančík¹

2012

J. For. Sci.

View full text Add to dashboard Cite

This paper presents findings of a twenty-year investigation of silviculture-production in a 40-year-old afforested spruce pole-stage stand located in a mountain region. The stand was established by four different spacing models: (i) 1.5 × 1.0 m, (ii) 2.5 × 1.0 m, (iii) 2.5 × 1.5 m, and (iv) 2.5 × 2.5 m. Three alternatives were studied for each of these spacing models. These were: (i) geometrical (line) thinning, (ii) selective thinning and (iii) no tending. During the period of our research the above-mentioned stand was affected twice by a snow-break disaster. Promising and target trees in the stand were marked and selected at the beginning of the study. The development of the abovementioned categories of trees was analysed in relation to the initial spacing of the stand, as well as to the method of tending. Based on the 20-year research period, we conclude that the most favourable results were obtained on plots that were established at a wider initial spacing and managed by selective thinning as opposed to the denser ones tended by geometrical thinning or without any tending.

show abstract

Section: Resultssupporting

confidence: 76%

mentioning

confidence: 99%

Development of spruce (Picea abies [L.] Karst.) target (crop) trees in pole-stage stand with different initial spacing and tending regime

Štefančík¹

2012

J. For. Sci.

View full text Add to dashboard Cite

show abstract

“…It is a consequence of delayed tending, which started at the stand age of 60 years. In general, the best age for determination of crop trees is in the period of 30 to 40 years (Štefančík 1974, 1984Bouchon et al 1989;Spellmann, Nagel 1996;Guericke 2002). Results from Cigánka PRP showed that it is possible to achieve the expected quantitative production in the case of delayed, but systematic tending only.…”

Section: Discussionmentioning

confidence: 99%

“…There are several approaches how to select crop trees in beech stands, taking into account certain criteria or norms (Altherr 1981;Štefančík 1984;Abetz, Ohnemus 1999). It should be concluded that an optimal stand age seems possible for the selection of target trees, even before the age of 40 years of the stand (Bouchon et al 1989;Spellmann, Nagel 1996;Guericke 2002).…”

mentioning

confidence: 99%

Development of target (crop) trees in beech (Fagus sylvatica L.) stand with delayed initial tending and managed by different thinning methods

Štefančík¹

2013

J. For. Sci.

View full text Add to dashboard Cite

ABSTRACT:We evaluated the research on silviculture-production in the last 45 years in a 105-year-old beech stand, not tended up to its stand age of 60 years. Four alternatives (tending regime) were studied for development of the target (crop) trees. These were: (i) plot with heavy thinning from below (C degree according to the German Forest Research Institutes from 1902), (ii) plot with free crown thinning (thinning interval of 5 years), (iii) plot with free crown thinning (thinning interval of 10 years), and (iv) control plot (with no thinning). Target trees in the stand were selected and marked at the beginning of the study. Their development was analysed in relation to the method of tending. Based on the 45-year research period, we conclude that the most favourable results were obtained on plots tended by free crown thinning (thinning interval of 5 or 10 years) in comparison with plots tended by heavy thinning from below or with the control plot (without any tending).

show abstract

“…Little attention was paid to the quantitative production of beech stands in the past (Kennel, 1972;Polge, 1981;LeGoff & Ottorini, 1993;Dhôte, 1997), but in recent years, much more attention has been paid to quality and value production (Štefančík, 2015). For this reason, various thinning methods have been developed and evaluated for their potential contributions to the increased quality and value of beech timber production (Štefančík, 1984, 2015Altherr, 1981;Abetz & Ohnemus, 1999;Armand & Ningre, 2003).…”

Section: Introductionmentioning

confidence: 99%

Effect of thinning regimes on growth and development of crop trees in Fagus sylvatica stands of Central Europe over fifty years

Štefančík¹,

Vacek²,

Sharma³

et al. 2018

Dendrobiology

View full text Add to dashboard Cite

Crop trees are the main component of the qualitative and value production of forest stands. Therefore, stand density of crop trees is one of the most important information items for comparing different management strategies in forestry. Although the number of crop trees per hectare and their productivity are influenced by various factors, thinning can be one of the most important among them. This article aims to compare the growth and development of crop trees in European beech (Fagus sylvatica L.) stands, which have been managed by three different thinning types over 50 years: heavy thinning from below, free-crown thinning and without thinning (or control). The measurements and assessments of crop trees were made using three essential criteria (best stem quality, diameter and height dimensions, regularity of spacing) every four or five years during 50 years. More than 9,000 assessments of crop trees with stand ages ranging from 30 to 105 years on 23 sample plots across Slovakia were analyzed. The highest number of crop trees was reached in a stand where free-crown thinning was applied. The proportion of crop trees on the subplots managed by crown thinning was 61% of the stand basal area and 66% of the merchantable volume at stand age of 100 years. However, much lower proportions of crop trees were found on the subplots managed by thinning from below (32% and 32%) and control (20% and 21%), respectively. The subplots, where freecrown thinning was applied, showed significantly higher values of other quantitative characteristics (e.g., diameter increment, height-diameter ratio, crown width) than those on the subplots managed with the other two thinning types (low thinning and control). Based on the results from a systematic investigation after 50 years, free-crown thinning is recommended for selective thinning in beech forests.

show abstract

Waldbauliche Analyse einer freien Hochdurchforstung in ungepflegten Buchenstangenhölzern

Cited by 5 publications

References 0 publications

Development of spruce (Picea abies [L.] Karst.) target (crop) trees in pole-stage stand with different initial spacing and tending regime

Development of spruce (Picea abies [L.] Karst.) target (crop) trees in pole-stage stand with different initial spacing and tending regime

Development of target (crop) trees in beech (Fagus sylvatica L.) stand with delayed initial tending and managed by different thinning methods

Effect of thinning regimes on growth and development of crop trees in Fagus sylvatica stands of Central Europe over fifty years

Contact Info

Product

Resources

About