forest structure
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GIS layer - map of forest types. Forest typology based on abiotic habitat parameters such as soil fertility and moisture, widely used by the forestry sector. Also available are thematic GIS layers showing historic forest and forestry data, as well as more current data on forest management (incl. timber harvesting) and such parameters as dominant species: height, age, trunk circumference (standard breast level measurement), proportion of coverage, etc.
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Field work - plot measurements (n=18, 50 m x 50 m)
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evergreen broad-leaved forest The mature and old-growth forests dominated by Distylium racemosum, Quercus acuta, Q. salicina, Percea thunbergii and other species. In total, more than 50 tree species are found in the 4-ha plot.
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Data on 9 permanent observation pine stands are presented. Investigations are carried out since the 1992. Presented data: dendrometric parameters, condition, defoliation, tree ring width series, FAR/LAI, primary productivity, dead wood, meteorology, soil and needle chemistry, graound vegetation.
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Permanent research site Polana Biosphere reserve (Hukavský grúň) site is located in central Slovakia, in the east part of territory of Polana Protected Landscape Area , where forest ecosystems as well as rural cultural landscape of the highest volcanic mountain in Slovakia is protected. The site is situated in 850 m a.s.l with annual mean temperature 5.5 °C and annual precipitation 860 mm. Tree species composition of this site is made up by beech (70 %), norway spruce (19,6 %) and the rest is composited by fir, maple and ash. The age of this forest stand is 90 – 120 years. The research site was established in 1991 and from the beginning research has focused on the individual components of the forest environment and the forest ecosystem (trees including the rhizosphere, soil, air quality), their relationships (the influence of the atmospheric deposition ande on the woods), the cycle of elements and substances (nutrition, litter, biochemical processes), physiological processes, phenology and tree growth , their vitality and ecological stability, as well as practical forestry issues such as natural and artificial regeneration. So there was a very wide range of detection, measurement and evaluation. This area was in 1995 integrated with the ICP Forests system of permanent monitoring areas (PMA). Close to the forest monitoring plot is a series of other 7 permanent research areas (PRA), as a base for comparison close-to-nature mixed forest stand development and stands of individual tree species.
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The mature and old-growth forests dominated by Quercus serrata, Fagus Japonica, F. crenata and other species. In total, more than 60 tree species are found in the 6-ha plot.
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The Victorian Tall Eucalypt Forest Plot Network is located in the Central Highlands of Victoria, Australia and its research infrastructure is comprised of stratified 1-ha long-term plots within 3-ha monitoring sites. Between 2012 and 2018 the Victorian Tall Eucalypt Forest Plot Network was a member of the Long Term Ecological Research Network (LTERN), Australia, a facility of the Australian Government's Terrestrial Ecosystem Research Network (TERN).
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FORBIO is an innovative, large-scale forest biodiversity experiment established in Belgium between 2009 and 2012. The acronym stands for assessment of the effects of tree species diversity on FORest BIOdiversity and ecosystem functioning. At three sites with contrasting site conditions, plots were planted with one up to four tree species. Various aspects of ecosystem functioning will be compared between plots that differ in tree species richness but have developed under the same abiotic conditions. The sites are located in Gedinne (Gribelle, Gouverneurs), Hechtel-Eksel and Zedelgem.
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FORBIO is an innovative, large-scale forest biodiversity experiment established in Belgium between 2009 and 2012. The acronym stands for assessment of the effects of tree species diversity on FORest BIOdiversity and ecosystem functioning. At three sites with contrasting site conditions, plots were planted with one up to four tree species. Various aspects of ecosystem functioning will be compared between plots that differ in tree species richness but have developed under the same abiotic conditions. The sites are located in Gedinne (Gribelle, Gouverneurs), Hechtel-Eksel and Zedelgem.
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Research plot was moderate influenced by immisions (fluorine, SO2, tar, dust etc.) from aluminium smelter in Žiar nad Hronom (away 7 km).