Assessment of long-term tending in mixed stands of spruce, fir and beech on research plot Korytnica

Štefančík, Igor; Štefančík, L.

doi:10.17221/11862-jfs

Cited by 7 publications

(1 citation statement)

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“…Relatively fewer results come from permanent research plots established and managed in young mixed stands (Štefančík 1977;Paumer 1978;Novák et al 2017). More attention was paid to thinnings, or the longterm impact of tending on their structure, production and stability (Assmann 1961;Molotkov 1966;Leibundgut et al 1971;Štefančík 1977;Hladík 1992;Štefančík & Štefančík 2001, 2002, 2003Adamic et al 2017;Hilmers et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Qualitative and value production of tree species in mixed spruce-fir-beech stands under the conditions of the Western Carpathians

Štefančík

Petráš

Mecko

et al. 2021

Central European Forestry Journal

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Value production is one of the most important information for comparing different tree species composition and management strategies in forestry. Although the value production of forest stands is affected by various factors thinning can be considered as one of the most important one. This paper aims at the evaluation of qualitative and value production in mixed Norway spruce (Picea abies [L.] Karst.), silver fir (Abies alba Mill.) and European beech (Fagus sylvatica L.) stands, which were managed by crown thinning for a period of 44 to 50 years and/or left to self-development. More than 1,500 individual trees aged from 61 to 132 years from 15 subplots established in western part of the Low Tatras Mts. and the Great Fatra Mts. in Slovakia were assessed. The proportion of stems in the highest quality A (stem quality classes) reached a low percentage, i.e. 12% in beech, 28% in spruce and 13% in fir out of the number of evaluated trees. The percentage of the highest quality log classes (assortments I + II) of beech ranged from 0 to 23% and of coniferous ones from 2 to 12%. Regarding the management method used, this percentage accounted for 0.1 to 23% for plot with self-development, whereas in plots with tending it was from 1 to 23%. Value production of coniferous tree species was always higher compared to beech, regardless of the management method. Regarding individual tree species, we found the highest value production in fir (81.4 € m−3) and the lowest in beech (46.5 € m−3).

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Section: Introductionmentioning

confidence: 99%

Qualitative and value production of tree species in mixed spruce-fir-beech stands under the conditions of the Western Carpathians

Štefančík

Petráš

Mecko

et al. 2021

Central European Forestry Journal

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Effects of thinning on growth of six tree species in north-temperate forests of Lithuania

2005

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This paper summarises the results from 35 years-observed thinning experiments on 256 permanent sample plots in 10-60 year-old stands of ash, aspen, birch, oak, pine and spruce in Lithuania. Thinning enhanced crown projection area increment of residual trees. The largest effect was observed in stands of aspen and birch (growth increase by 200%), followed by ash and oak (over 100%), and spruce and pine (about 80%). Thinning also promoted dbh increment, especially in younger stands, and the increase of dbh increment was positively correlated with the thinning intensity. The strongest reaction was exhibited by oak and aspen, while ash, birch and conifers reacted to a lower extent. Low and moderate intensities of thinning stimulated volume production in younger stands while the opposite was observed in older stands with increasing removals. Spruce stands exhibited relatively strongest increase of volume increment and pine, -the weakest, while the effect on deciduous species was intermediate. The results demonstrate that significant increase in volume increment is achievable with thinning of only young forest stands, e.g. 10-20 year-old pine, birch and ash, or 10-30 year-old oak, aspen and spruce.

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Changes in tree species composition, stand structure, qualitative and quantitative production of mixed spruce, fir and beech stand on Stará Píla research plot

Štefančík¹

2006

J. For. Sci.

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ABSTRACT:The paper is a contribution to the research on problems of thinnings in mixed (spruce-fir-beech) stands situated in the 5 th forest altitudinal zone (beech with fir) in the central part of Slovakia. The research was carried out on two series of permanent research plots established in 1972. Each of the series consists of three partial plots where one plot was tended by free crown thinning in the framework of whole-area tending. On the second plot a non-whole-area tending was realised while the third ones were left without planned silvicultural treatment as controls. Dynamic changes in tree species composition, stand structure, qualitative and quantitative production including silvicultural analysis of seven thinning interventions were evaluated for a period of 29 years. A special attention was paid to development of future crop trees which are the main bearers of stand quality and quantity. The changes were compared with respect to differences between the plots with whole-area and non-whole-area long-term silvicultural treatment and the control plot (without treatments).

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Assessment of long-term tending in mixed stands of spruce, fir and beech on research plot Korytnica

Cited by 7 publications

References 1 publication

Qualitative and value production of tree species in mixed spruce-fir-beech stands under the conditions of the Western Carpathians

Qualitative and value production of tree species in mixed spruce-fir-beech stands under the conditions of the Western Carpathians

Effects of thinning on growth of six tree species in north-temperate forests of Lithuania

Changes in tree species composition, stand structure, qualitative and quantitative production of mixed spruce, fir and beech stand on Stará Píla research plot

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