Vilém Podrázský

Vilém Podrázský
Czech University of Life Sciences Prague | CULS · Faculty of Forestry and Wood Sciences

prof.

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158
Publications
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1,605
Citations
Citations since 2016
54 Research Items
1034 Citations
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150
2016201720182019202020212022050100150

Publications

Publications (158)
Article
Full-text available
In the context of global change, the integration of non-native tree (NNT) species into European forestry is increasingly being discussed. The ecological consequences of increasing use or spread of NNTs in European forests are highly uncertain, as the scientific evidence is either constraint to results from case studies with limited spatial extent,...
Conference Paper
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The presented study compares cellulolytic potential in the holorganic layers (horizons F+H) and organomineral horizons (Ah) of the stand groups formed by Norway spruce (Picea ab-ies [L.] Karst.) and silver fir (Abies alba Mill.) at the territory of University Forest Kostelec nad Černými lesy. The site is characterized as 4P1-acid oak-fir site with...
Conference Paper
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Na lokalitě Doubek, Černokostelecko, byl sledován vliv provozem doporučených melioračních hmot, resp. Alginit a Humac, na iniciální vývoj výsadeb vybraných introdukovaných dřevin: kaštanovníku setého (Castanea sativa), platanu (Platanus x hispanica) a lísky turecké (Corylus colurna). Výsadba prostokořenného sadebního materiálu byla proveden na podz...
Conference Paper
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Příspěvek je zaměřen na podporu kultury lesních dřevin vysazených na bývalou ornou půdu prostřednictvím mykorhizní inokulace. Plocha byla založena na podzim 2020 a nachází se v lokalitě V Ladech, Praha-Horní Počernice. Vysazena byla pestrá směs zejména listnatých dřevin s dominancí dubu letního. Úkolem bylo otestovat komerčně dostupné mykorhizní př...
Conference Paper
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Borovice černá (J.F. Arnold), jako rychle rostoucí jehličnan s velkým ekonomickým a ekologickým Pinus nigra významem, je rozšířena po celé Evropě, Malé Asii a severu Afriky na široké škále biotopů. V Evropě pokrývá plochu přes 9,5 milionu ha, což je 4,4 % z celkové plochy lesů. Jedná se o druh, který patří k nejčastěji vysazovaným dřevinám mimo svů...
Conference Paper
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Příspěvek dokumentuje založení výzkumné plochy na lokalitě Doubek u Kostelce nad Černými lesy ve středních Čechách. Na této výzkumné ploše, založené na bývalé zemědělské půdě, byly vysazeny vybrané exotické dřeviny (sekvojovec, cedr, metasekvoje) a cenné listnáče, které mají potenciál pro produkci dřeva a potenciál poskytování dalších benefitů v rá...
Article
The increasing trend of afforestation is described in almost all European countries, however, the knowledge of the growth parameters of particular tree species on abandoned agricultural land is still incomplete. Therefore, the characteristics of young forest stands which are afforested with 5 native tree species (Norway spruce, Eu-ropean beech, Eng...
Article
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Mixed lowland forests reserved for natural succession are sparse in the Czech Republic. However, their development provides essential insights into the natural processes of these forests and recommendations for forest management in a changing climate. The research describes the dynamics, productivity, structure , diversity, dead wood, and radial gr...
Article
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In the time of ongoing climate change and the increasing area of post-mining landscape, the successful afforestation of reclamation sites by suitable adaptive tree species is gaining in importance. One of possible ways may be the use of introduced tree species, which is, however, a controversial topic in relation to risks for forest management and...
Conference Paper
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Interest for use of introduced species is increasing in the last years, in correlation with large-scale forest decline, to this moment stands of Norway spruce and Scots pine. Introduced species including exotic pines can help to solve this problem to some extent. Rare but representative stands of these species were analyzed in the Arboretum FLD Kos...
Conference Paper
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This contribution describes the establishing of new research plot in Doubek near Kostelec nad Černými lesy in Central Bohemia. The plot is dedicated to the establishment of plantation focused on selected exotic tree species (giant sequoia, Lebanese cedar, dawn redwood) and noble hardwoods (service tree, wild service tree, pedunculate oak, wild cher...
Conference Paper
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Tento příspěvek a exkurzní průvodce popisuje novou výzkumnou plochu na lokalitě Doubek u Kostelce nad Černými lesy ve středních Čechách. Na této výzkumné ploše, založené na bývalé zemědělské půdě, byly vysazeny vybrané exotické dřeviny (sekvojovec, cedr, metasekvoje) a cenné listnáče, které mají potenciál pro produkci dřeva a potenciál poskytování...
Article
Full-text available
Black walnut (Juglans nigra L.) is a light-demanding, competition-intolerant, and tall forest tree species, introduced in Europe from North America at the beginning of the seventeenth century. It has an important economic role in Europe for producing wood and fruits, in agroforestry systems, as an ornamental tree for parks and avenues, for rehabili...
Article
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Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) is the most common utilized introduced tree species in the tem-is the most common utilized introduced tree species in the temperate zone, planted in many European countries. Also, in the Czech Republic it represents the most planted exotic species as well. Its planted area exceeds 6,000 ha and repr...
Article
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Scots pine (Pinus sylvestris L.) is one of the most important tree species in Eurasia. During the past centuries, it has been extensively introduced into artificial monocultures, but is currently experiencing a number of problems related to climate change and extreme droughts. There is a large-scale disintegration of its stands and, in addition to...
Article
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Black locust (Robinia pseudoacacia L.), a species native to the eastern North America, was introducedto Europe probably in 1601 and currently extends over2.3 × 10 6 ha. It has become naturalized in all sub-Mediterranean and temperate regions rivaling Populus spp. as the second most planted broadleaved tree species worldwide afterEucalyptus spp. Thi...
Article
The Jizerské hory Mts. (the Czech Republic) are part of the Black Triangle region strongly affected by a decline and dieback of Norway spruce (Picea abies [L.] Karst.) stands since the 1970s. In the studied peaty spruce stands in the summit parts of the Jizerské hory Mts., the health status, radial growth and foliar nutrient content in relation to...
Article
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Climate change is increasingly affecting forest ecosystems. Modifying the species composition towards species mixtures with a higher potential to mitigate the negative effect of climate change is one of the basic silvicultural measures. Potential economic and production impacts of these actions need to be assessed. This study therefore aims to eval...
Article
European beech (Fagus sylvatica L.) represents the major climax tree species in the forests of Central Europe growing at many sites. The reintroduction of this species is an important silvicultural topic because of stability and diversity of forest ecosystems and vitality of forest soils in this region. The present study documents the growth, quali...
Article
The spreading of bulldozer-formed windrows represents a second stage of the site restoration with bulldozers utilization in the Ore Mts. In the first period, bulldozers were used to create windrows for mechanized reforestation of immission-declined stands, causing profound devastation of forest sites, because removed surface humus was the only sour...
Article
Large areas were deforested as a consequence of the immission calamity in the Czech Republic in the last decades. As a part of restoration activities, preparatory species were utilized, both planted and sown, to cover forest soils, to prevent soil erosion and to regenerate forest microclimate, necessary for reintroduction of target, climax species....
Article
Presented study documents the effects of green alder (Alnus alnobetula [Ehrh.] C. Koch) on the uppermost forest soil layers in mountain areas, respectively in the top part of the Orlické hory Mts. Three variants effect to the forest soil have been studied: pure groups of green alder, pure groups of Norway spruce and Norway spruce stand under-plante...
Article
We studied the effects of magnesium (Mg) NPK fertilizer applied in 2000 to maturing Norway spruce (Picea abies /L./ Karst.) stands with yellowing symptoms and situated on poor acidified soils in the Šumava mountains (the Czech Republic). Long-term defoliation, nutrient content in the foliage and diameter increment were evaluated in three specific v...
Article
In the agricultural landscape, thousands of animals are killed yearly as a result of agricultural machinery innovation, mostly because of a higher harvesting speed and wider cutting bars. Harvesting machines besides predation by red fox ( Vulpes vulpes L.) on roe deer ( Capreolus capreolus L.) in the intensively managed cultural landscape are the m...
Conference Paper
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Non-native tree species are widely used in forest plantations and agroforestry systems worldwide for their often-high productivity and performance compared to native trees. In addition, they have been and are introduced and used for multiple reasons, such as gardening, protective functions, arboreta, erosion control and for increasing the forest ar...
Conference Paper
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The studied Antonín dump was established after the surface coal mining in Sokolov region. After its reclamation, it was largely afforested by native tree species, but on some parts also introduced tree species were used. The objective of this study was to evaluate structure, production and diversity of coniferous forest stands at the age of 45 year...
Article
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This work summarizes the history and development of the research on silviculture in the former Czechoslovakia. A different approach of the silviculture research reflecting various site conditions was presented separately for the Bohemian area (later Czech Republic) and Slovakia (later Slovak Republic). The research focused especially on spruce fore...
Article
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The effects of silver fir (Abies alba Miller) on the soil compared to Norway spruce (Picea abies (Linnaeus) H. Karsten) were evaluated. Altitude of the study site is 790 m a.s.l., mild slope of 10° facing SW, forest site is spruce-beech on acid soil. The forest floor and top soil horizons (L + F1, F2 + H, Ah) were sampled in 4 replications beneath...
Article
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Land reclamation of post-mining sites strongly influences not only diversity and biomass of frequently studied ground vegetation, but also diversity of forest ecosystem. In most cases, spoil heaps are afforested after coal mining, but some reclaimed sites are left to spontaneous development, such as our study locality – surroundings of the Sokolov...
Method
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Forest managers will find following information: • A list of tree species including their ability to provide commercial, soil improving or stabilizing functions on forest sites suitable for growing Scots pine and Norway spruce; • Recommended tree species composition including ranking of soil improvers and stabilizers; the trees were divided into th...
Article
The effect of wood-ash fertilization on forest soils has been assessed mainly through geochemical methods (e.g., content of soil organic matter or nutrients). However, a simple and fast method of determining the distribution of the ash and the extent of affected soil is missing. In this study we present the use of magnetic susceptibility, which is...
Article
Paper documents the effects of grand fir (Abies grandis /Dougl. ex D.Don/ Lindl) on the basic characteristics of the soil chemistry and nutrient dynamics. The amount of the surface humus and basic chemical characteristics of the horizons F+H, Ah, Bv (soil pH, soil adsorption complex characteristics, total carbon and nitrogen content, C/N ratio, exc...
Article
Black walnut (Juglans nigra L.) is an introduced north-American species with highly valuated timber. In the Czech Republic, it occupies cca 1,000 ha only, particularly in the flood-plain area of south Moravia. Comparing to native tree species, black walnut shows high volume and value production. On the contrary, it is exposed to pressure from the p...
Article
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Sycamore maple (Acer pseudoplatanus L.) is a fast-growing tree species that produces economically attractive timber, provides ecological services and has high site adaptability, but it is only a minor component of European forests. This paper describes production, structure and diversity of sycamore-dominat-ed forest stands that originated by succe...
Article
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Height to crown base (HCB) of a tree is an important variable often included as a predictor in various forest models that serve as the fundamental tools for decision-making in forestry. We developed spatially explicit and spatially inexplicit mixed-effects HCB models using measurements from a total 19,404 trees of Norway spruce (Picea abies (L.) Ka...
Data
Training and validation datasets. (ZIP)
Article
In the study of vegetation changes in European beech (Fagus sylvatica L.) and Norway spruce (Picea abies (L.) Karst.) forests in the Orlické hory Mts. (the Sudetes range, Czech Republic), 34 research plots were surveyed in 1951–2011 using the seven-point Braun-Blanquet scale. The long-term research was motivated by studying the effects of the pollu...
Article
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European ash (Fraxinus excelsior L.) is a broad-leaved fast-growing tree species common in most parts of Europe, highly-valued for its ecological properties and occurrence in many forest site types. Its future is threatened, especially by an invasive fungal pathogen Hymenoscyphus fraxineus causing disintegration of E. ash stands throughout all Euro...
Article
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The article analyses the influence of black walnut on forest phytocoenosis in South Moravian forests and assesses how its representation may affect the understorey vegetation of the forest ecosystems. In July 2014, 31 relevés were processed in the South Moravian forests. These were stands of pure black walnut (Juglans nigra) as well as black walnut...
Article
Dynamic light scattering and phase analysis light scattering have been,used to study organo clay complexes and aggregate stability of Haplic Stagnosols depending on land use. The study of agricultural soils afforested for 45 years showed that the value of the effective diameter of organo-clay complexes slightly decreased compared to that in arable...
Article
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The article aims to evaluate the research provenance plot established in 1980 in locality No. 214 - Hruba Skala (in the north of the Czech Republic), where nine provenances of grand fir (Abies grandis (Douglas ex D. Don) Lindley) provided in the framework of the International Union of Forest Research Organizations project, and one provenance of gra...
Article
Full-text available
Jiří Viewegh 1,2, Stanislav Miltner ¹, Karel Matějka ³, Vilém Podrázský ¹¹Czech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Kamýcká 1176, CZ – 165 21 Praha 6 – Suchdol, Czech Republic ²Štěpánovice 52, CZ – 666 02 p. Předklášteří, Czech Republic ³IDS, Na Komořsku 2175/2a, CZ – 143 00 Praha 4 – Komořany, Czech Republic...
Article
The study aims to document soil forming effects of Northern red oak (Quercus rubra L.) in North Bohemia. The sites correspond to formerlydominating sessile oak (Quercus petraea /Mattusch./ Liebl.) forests. Soil chemistry of the upper soil layers (Of + Oh, Ah, B horizons) was studied in three pairs of stands of both species. Following soil chemical...
Article
The presented study is aimed at documenting the effects of the silver fir (Abies alba Mill.) on the upper soil status in the 86-88-year-old mixed spruce-fir stands. In autumn 2014 the samples of individual horizons (L+F1, F2+H, Ah) were taken in four replications for each species in the locations where Norway spruce and silver fir occurred in non-m...
Article
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In this paper, the effect of the Bio-Algeen® product (bio-alginate from the seaweed Ascophyllum nodosum (Linnaeus) Le Jolis) was evaluated in relation to basic mycorrhizal and growth characteristics of Norway spruce (Picea abies (Linnaeus) H. Karsten) seedlings. The seedlings were planted in a forest nursery in 5 different treatments: 4 treatments...
Article
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The paper deals with the structural diversity and production of a less frequently studied type of alder stands originated on former agricultural lands in the 1950s, established partly by plantation and partly by natural succession in the area of the Krkonoše Mts. and the Orlické hory Mts. (Czech Republic). Four permanent research plots (PRP) were e...
Article
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The paper documents the mid-term changes of the soil characteristics and upper soil dynamics in the stands of introduced tree species, grand fir and Douglas-fir, on the former agricultural lands. These species were compared with Norway spruce stand and original grassland in the same site conditions at the Hrubá Skála locality (Eastern Bohemia). The...
Article
The decrease is supposed of the coniferous assortments supply due to running changes of tree species composition in the Czech forests as well as due to the environmental changes in the next decades. The Norway spruce (Picea abies/L./Karst.) is the most endangered species. The year timber supply decrease of this species is supposed in an extent of 0...
Article
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In the framework of an international IUFRO provenance research of grand fir (Abies grandis /D. Don/ Lindl.), a series of research plots was established in the Czech Republic in 1980-1982. This paper focuses on an evaluation of experimental plot No. 213 - Habr (Western Bohemia), where 24 provenances of grand fir are investigated. Results of the eval...
Article
Norway spruce (Picea abies [L.] Karst.) provenances from Central Europe (Hercynian-Sudetes area) were evaluated in a long-term experimental project (Germany-Czech Republic) 36 years after the outplanting. The growth characteristics, mortality and qualitative morphological characteristics of 64 spruce provenances were evaluated on the experimental p...
Article
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The area of the Orlické hory Mts. has been characterised by decline and disturbances of Norway spruce (Picea abies/L./Karst.) stands since the 1980s. Currently, only three permanent research plots have been preserved from the original sixteen established plots in this region. In the present study, the health status, as indicated by defoliation, mor...
Article
The objective of this work is to evaluate the effect of alginite on the growth parameters of seedlings of Douglas-fir, Scots pine and line mixture of pedunculate oak, red oak and Norway maple (broadleaves) on former agricultural land with an unfavourable hydrophysical regime. The research plot consists of 36 sub-plots, each sub-plot has a size of 4...
Article
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This article discusses the production potential (and limits) of the forests in the Czech Republic (CR). The calculation respects ecological limits set by typological system and the Czech forestry legislation. The key criterion of the production evaluation is the total mean increment. Usually, a forest owner can choose amongst several variants of ma...
Article
The present study describes natural regeneration on five permanent research plots (PRP) in juvenile growth and development phases (regrowth and advanced growth) in autochthonous beech forests in Broumovské stěny National Nature Reserve located in the Protected Landscape area in the northeast part of Czech Republic. The stands of herb-rich beech for...
Article
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The aim of this study was to determine the effect of agricultural land afforestation on soil characteristics. Two sites in two regions of the Czech Republic were evaluated, at lower as well as higher submountain elevations: in the regions of the Orlické hory Mts. and Kostelec nad Černými lesy, afforested, arable and pasture lands were compared for...
Article
Afforestation of agricultural lands may be a positive action in many cases. Especially, it is a beneficial feature for waterlogged soils, stony soils or for soils which are less fertile for any other reason and thus unsuitable for farming. Afforestation can be a very important action even in the agricultural landscape - Afforested belts of agricult...
Article
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Podrázský Vilém, 2015: Potential of Douglas-fir as a partial substitute for Norway spruce – review of the newest Czech literature. – Beskydy, 8 (1): 55–58 Presentation summarizes the results concerning the effects of cultivation of Douglas-fir (Pseudotsuga menziesii /Mirb./ Franco), especially in the last decades, on the intensity of production as...
Article
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Series of provenance plots was established for the evaluation of the potential of Douglas-fir (Pseudotsuga menziesii /Mirb./ Franco) in the forestry of the Czech Republic in the last decades. The most important are the plots of the international provenance IUFRO experiments. At Hůrky locality, South Bohemia, Czech Republic, 25 provenances of the Do...
Article
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Douglas-fir represents the most productive tree species in the Central European forestry. Despite its well known high production potential, the effects of this neophyte tree species on the other components of forest ecosystems were studied less frequently. The presented paper compares herb layer in stands of Douglas-fir with stands of another tree...
Article
Full-text available
European ash (Fraxinus excelsior) is an important tree species in most temperate forests in Europe. Its future is threatened however, especially by an invasive fungus, Hymenoscyphus fraxineus (Hymenoscyphus pseudoalbidus, Chalara fraxinea). The current study is focused on the health of ash in the Krkonoše Mountains National Park, Czech Republic. On...
Book
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This publication is based on the research project “Forestry Management in the Jizerské hory Mts.” financed by Grant Agency of Forests of the Czech Republic in 2003 and 2004. In the framework of this project, long term investigations of Forestry and Game Management Research Institute, forestry faculties in Brno and Prague, Forest Management Institut...
Article
Presented paper summarizes the generalized results of the forest inventories in the Czech Republic. It documents the dynamics of tree species composition comparing the natural, present and recommended species structure and the dynamics of the age as well as volume structure of the Czech forests. The former shift from broad-leaved and mixed forests...
Article
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The paper summarises the results concerning the effects of cultivation of Douglas-fir (Pseudotsuga menziesii /Mirb./ Franco), especially in the last decades, on the intensity of production as well as non-production forest functions in the conditions of the Czech Republic and Slovak Republics. It analyses the research outcomes from the point of volu...
Article
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The aim of study was to characterize Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) commercial stands and their influence on the forest floor plant communities. Study plots were performed in different regions of the Czech Republic. In total 44 plots were arranged in older Douglas fir stands with well developed forest floor vegetation. For the c...
Article
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This paper deals with the evaluation of the effect of afforestation of previously arable land to soil characteristics changes. One of the main aims was to evaluate the effects of each forest species on the soil structure quality after afforestation. Soil samples were taken at two climatically distinct subregions within the Czech Republic. Based on...
Article
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Gap regeneration in a European beech (Fagus sylvatica L.) forest reserve was analyzed in relation to within-gap resource heterogeneity and ground vegetation competition. The study was carried out in two one-hectare permanent research plots (PRP) which included five smaller research plots (RP) encompassing two large gaps (500-700 m(2)), two small ga...