Natural regeneration potential of the degraded Krkono?e forests

Kooijman, A.M.; Emmer, I.M.; Fanta, Josef; Sevink, J.

doi:10.1002/1099-145x(200009/10)11:5<459::aid-ldr407>3.0.co;2-f

Cited by 27 publications

(21 citation statements)

References 6 publications

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“…In the case of the "excavator-style" site preparation, the abundance of earthworms was higher because the soil surface was not disturbed very much. In broadleaved stands of substitute tree species, forest litter is shown to have favourable soil remediation effects (Kulhavý et al 2008) while coniferous stands accelerate the acidification process (Kooijman et al 2000).…”

Section: Resultsmentioning

confidence: 99%

Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically

Švarc¹,

Kula²

2011

J. For. Sci.

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Assemblages of earthworms were evaluated in spruce and beech stands in the Kienhaida Nature Reserve (Krušné hory Mts., Czech Republic) and its immediate surroundings, where site conditions were modified by the soil preparation for forest regeneration. The beech stands of the reserve showed low diversity but higher earthworm abundance than did the spruce stands, which in turn showed the lowest Lumbricidae abundance (18 individuals·m -2 ).The highest abundance of earthworms (124 individuals·m -2 ) was found in the soil of mounds created 30 years prior to sampling from the organic soil of the A h horizon. The highest species diversity and low abundance were characteristic of areas between the mounds, the soil surface of which was greatly disturbed after removal of the A h horizon to create those mounds. The degree to which the reforested clear-cuts created due to air pollution were overgrown with weeds contributed positively to the diversity and abundance of Lumbricidae.

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Section: Resultsmentioning

confidence: 99%

Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically

Švarc¹,

Kula²

2011

J. For. Sci.

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“…the near-natural management increasingly makes use of natural processes in forest stands, especially of natural regeneration, either spontaneous or controlled (Kooijman et al 2000). However, such approach requires deep knowledge of the structure and development of near-natural forest stands in the particular forest stand types.…”

Section: Introductionmentioning

confidence: 99%

Changes in horizontal structure of natural beech forests on an altitudinal gradient in the Sudetes

Vacek¹,

Vacek²,

Bílek³

et al. 2015

Dendrobiology

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Abstract:The article describes horizontal structure of the tree layer, natural regeneration, snags and crown projections of natural beech stands on three permanent research plots in the wide altitudinal range in the Krkonoše Mts (Czech Republic). The spatial structure was classified from 1980 to 2010 and subsequently the prediction of spontaneous development with an outlook for 30 years (to 2040) was done by growth simulator. Hopkins-Skellam index, Pielou-Mountford index, Clark-Evans index and Ripley's K-function were calculated. Further, the vertical structure and total diversity index was evaluated. The horizontal structure of individuals in the tree layer had not changed significantly during the monitored years. Tree spatial pattern of the lowest altitude lying herb-rich beech forest was mostly regular to random, in acidophilous mountain beech forest predominantly random and in fragments of beech groups around the timberline aggregated. Juvenile growth on all investigated plots was distributed aggregated and snags randomly. The horizontal structure of crown projection centroids had always higher values toward the regularity than tree layer and was random to regular. The result of principal component analysis also confirmed that spatial pattern was dependent on the altitude, but also on the number of trees.

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“…Generally, it is possible to say that more favourable conditions are represented by soils (in this case Podzols and also Cambisols) under beech (Fagus sylvatica) than spruce (Picea abies) forest (Mládková et al , 2006Borůvka et al 2005a;Pavlů et al 2007). A positive effect of grass cover that replaced damaged spruce forest on soil chemical properties was also reported (Kooijman et al 2000;Fiala et al 2001;Borůvka et al 2005aBorůvka et al , b, 2007Drábek et al 2007). The most of differences was found in surface organic soil horizons.…”

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confidence: 99%

Study of podzolization process under different vegetation cover in the Jizerské hory Mts. region.

Nikodem¹,

Pavlů²,

Kodešová³

et al. 2013

Soil & Water Res.

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The development of Podzols is conditioned by many factors. One of them is vegetation cover. The aim of this study was to examine in detail special chemical properties, micromorphological features and water retention ability of Podzols under two different vegetation covers (spruce forest and grass). The study was performed in the Jizerské hory Mts., which were strongly influenced by atmospheric acidificant depositions in the past. The study was focused on the assessment of a 30-year grass amelioration impact on soils on the former forest land. It was shown that larger differences in the studied chemical properties (pH KCl 2+ and Al 3+ species) were in the surface organic horizons and decreased with depth. Podzolization intensity was higher under the spruce forest than under the grass cover. Higher amounts of potentially dangerous Al forms were detected in the soils under the spruce forest than under the grass. Grass expansion on clear-cut areas (former forest) as a natural amelioration step results in the particular restoration of soil conditions. The micromorphological features studied on the soil thin sections using the optical microscope and soil water retention curves measured on the undisturbed 100 cm 3 soil samples showed a significant influence of the organic matter presence on the soil structure and retention ability of H and Bhs horizons. Soil under the grass cover had denser structure (e.g. greater fraction of small capillary pores) and higher retention ability than soil under the spruce forest. Very similar retention curves were measured in the Ep and Bs horizons under both vegetation covers. Micromorphological features studied on the thin soil sections clearly documented a podzolization mechanism (e.g. organic material transport and its accumulation, weathering process and Fe oxidation and mobilization).

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Natural regeneration potential of the degraded Krkono?e forests

Cited by 27 publications

References 6 publications

Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically

Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically

Changes in horizontal structure of natural beech forests on an altitudinal gradient in the Sudetes

Study of podzolization process under different vegetation cover in the Jizerské hory Mts. region.

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