Temat: beech forest - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Shoot morphology and leaf gas exchange of Fagus sylvatica as a function of light in Slovenian natural beech forests
Autorzy:: Cater, M.
Tematy:: shoot
plant morphology
leaf
gas exchange
Fagus sylvatica
light
Slovenia
natural beech forest
beech forest
plant growth; Pokaż więcej
Data publikacji:: 2010
Powiązania:: https://bibliotekanauki.pl/articles/41573.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2010, 64
1641-1307
Pojawia się w:: Dendrobiology
Opis:: Five plots with young beech trees of the same age (13–15 years) were established to study the threshold, where plagiotropic growth becomes evident as the consequence of the reduced light intensity. Trees were equally distributed along the light gradient and were divided according to light conditions (Indirect Site Factor, ISF) into three groups of stand conditions: close canopy stand (ISF
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Lumbricidae Biodiversity at the Sites in Bieszczady Mountains (Poland) After 25 Years
Autorzy:: Kostecka, J.
Mazur-Pączka, A.
Pączka, G.
Garczyńska, M.
Tematy:: earthworms
biodiversity
Carpathian beech forest
Fagetum carpaticum; Pokaż więcej
Data publikacji:: 2018
Powiązania:: https://bibliotekanauki.pl/articles/125291.pdf Link otwiera się w nowym oknie
Źródło:: Journal of Ecological Engineering; 2018, 19, 2; 125-130
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Opis:: Soil degradation is caused by geological, climatic and biological factors, as well as human activities. One kind of degradation involves loss of soil biodiversity as a result of global environmental changes. A study on earthworms was carried out near Ustrzyki Górne in the Bieszczady Mts (Poland), on a monthly basis, in 1986–1987 and 2009–2010 at various sites within the Carpathian beech forests (Fagetum carpaticum). During the years 1986–1987, a total of 13 species of earthworms were found: 6 species on site I, 8 species on site II, and 9 species were recorded within the site III. The highest abundance, i.e. 11 species was found on site IV. The study, which revisited the same locations in 2009–2010, identified only 10 species. In sites I, II and III, 7 earthworm species were found in each, and in site IV –10 species. The authors also investigated the factors endangering the fauna of earthworms in the Bieszczady Mountains, and following the example set by other countries which had made attempts to introduce earthworms into the red lists of the threatened species, it was proposed that such a procedure should be adopted for the endemic species O. transpadanus. It was also observed that specimens of L. terrestris had penetrated the natural areas of the National Park.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Some observations of slime moulds on wood and litter in beech forests
Obserwacje śluzowców na drewnie i ściółce bukowej
Autorzy:: Slusarczyk, D.
Tematy:: observation
slime mould
wood
litter
beech forest
Mycetozoa
ecology
nature reserve; Pokaż więcej
Data publikacji:: 2010
Powiązania:: https://bibliotekanauki.pl/articles/67086.pdf Link otwiera się w nowym oknie
Źródło:: Acta Mycologica; 2010, 45, 2
0001-625X
2353-074X
Pojawia się w:: Acta Mycologica
Opis:: The results of research into slime moulds in beech forest reserves in Central Poland are presented. Thirty species of slime moulds directly associated with beech wood and beech litter were recorded. Species associated with different decay phases of beech wood and litter were identified.
Artykuł prezentuje dane dotyczące występowania śluzowców w wybranych rezerwatach w Polsce Środkowej, w których buk zwyczajny osiąga północno-wschodnią granicę zasięgu. Przedstawiono listę 30 gatunków śluzowców, które występowały na substracie bukowym, zarówno drewnie jak i ściółce. W pracy przyjęto trójstopniową skalę rozkładu drewna. Wyróżniono: 1 – fazę inicjalną, 2 – optymalną i 3 – finalną kłód, pni i pniaków zalegających w dnie lasu. Na tak określonym substracie przedstawiono gatunki śluzowców. Wśród nich, sześć to taksony nowe dla tego terenu: Fuligo leviderma, Hemitrichia clavata, Collaria arcyrionema (Lamproderma arcyrionema), Physarum leucophaeum, P. notabile, Stemonitis pallida (Seta, Drozdowicz 2004).
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Spatial structure of managed beech-dominated forest: applicability of nearest neighbors indices
Autorzy:: Szmyt, J.
Tematy:: spatial structure
beech forest
forest
applicability
nearest-neighbor index
Fagus sylvatica
forest management; Pokaż więcej
Data publikacji:: 2012
Powiązania:: https://bibliotekanauki.pl/articles/41043.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2012, 68
1641-1307
Pojawia się w:: Dendrobiology
Opis:: High structural diversity is often attributed to old-growth forests, usually established naturally and unmanaged. Forest diversity should be considered not only in terms of species diversity and richness but also the variation in trees dimension and their spatial distribution have to be taken into consideration. The main goal of this paper was the answer if nearest neighbor indices are suitable for spatial forest structure description. To answer this question results obtained from 3 managed beech-dominated forests from natural regeneration are presented and discussed. The following indices were calculated: Clark-Evans aggregation index (R), DBH and height differentiation indices (TD and TH, respectively) and mingling index (DM) analyzing horizontal and vertical spatial structure of the forest. Results indicated that managed beech forests demonstrated rather homogenous spatial structure in both aspects. Living trees as well as future crop trees were mostly regularly distributed. Spatial variation in DBH and height between living nearest neighbors was rather low. The lowest variation in sizes was demonstrated by future crop trees. Mature beech forests revealed single species structure and other tree species – if present – were spatially segregated from beech. It can be supposed that high homogeneity structure of these forests results from biological characteristics of this species as well as thinning treatments conducted by foresters.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Spatial autocorrelation of tree attributes in naturally regenerated managed beech (Fagus sylvatica) forests in the Beskid Niski Mountains, southern Poland
Autorzy:: Szmyt, J.
Stoyan, D.
Tematy:: spatial structure
spatial correlation function
tree
natural regeneration
beech
Fagus sylvatica
beech forest
forest
Beskid Niski Mountains
Polska; Pokaż więcej
Data publikacji:: 2014
Powiązania:: https://bibliotekanauki.pl/articles/41093.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2014, 71
1641-1307
Pojawia się w:: Dendrobiology
Opis:: European beech (Fagus sylvatica L.) is a widely distributed forest tree species in central, southern and western Europe. In Poland it reaches the eastern limit of its natural range. The three forest stands selected for the analysis presented here are located in the Dukla Forest Inspectorate, southern Poland in the Beskid Niski Mountains. The measurement plots were rectangular, 0.35 ha each, established under homogenous conditions. The origin of all stands is natural and up to now they were thinned several times according to selective thinning method. The main tree species on each plot is European beech. In each stand (x, y) coordinates, the species, total heights of trees and their diameters at breast height were recorded. Total tree height, diameter, basal area and tree volume were considered as marks in statistical analysis. The aim of this paper is to find out the differences in the spatial autocorrelation of different tree marks as well as to explain the reasons for differences if they were observed. The empirical mark correlation functions indicated that there is a negative spatial correlation of all these marks in all three forest stands, i.e. trees close together tend to have smaller marks than the average in the stand. No significant spatial correlation was found for the tree heights. Diameter, basal area and volume show some correlation, but only in one stand a deviation test showed that the detected spatial correlation is significant. The mark variograms indicated that neighboring trees tended to have similar sizes.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Changes in horizontal structure of natural beech forests on an altitudinal gradient in the Sudetes
Autorzy:: Vacek, Z.
Vacek, S.
Bilek, L.
Remes, J.
Stefancik, I.
Tematy:: structural change
horizontal structure
natural forest
beech forest
European beech
Fagus sylvatica
forest dynamics
altitudinal gradient
Sudetes Mountains; Pokaż więcej
Data publikacji:: 2015
Powiązania:: https://bibliotekanauki.pl/articles/41453.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2015, 73
1641-1307
Pojawia się w:: Dendrobiology
Opis:: 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.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Comparison of four methods for estimating relative solar radiation in managed and old-growth silver fir-beech forest
Autorzy:: Rozenbergar, D.
Kolar, U.
Cater, M.
Diaci, J.
Tematy:: solar radiation
old-growth silver fir forest
beech forest
forest
light condition
forestry
hemispheric photography; Pokaż więcej
Data publikacji:: 2011
Powiązania:: https://bibliotekanauki.pl/articles/41259.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2011, 65
1641-1307
Pojawia się w:: Dendrobiology
Opis:: Methods based on the principle of hemispherical canopy projection, including hemispherical photography (digital andfilm), sensors like LAI 2000 (zenith cutoff anle 74,1°) andstable horizontoscope, represent less accurate, yet significantly less expensive andtime-consuming techniques for radiation measurements comparedto long-term measurement with a network of photosynthetically active radiation (PAR) sensors. With measurements taken at a single point in time they can provide reliable estimates of relative diffuse andd irect solar radiation andcan also be usedto estimate the light climate in different times of the year. The four above mentioned methods for solar radiation estimation were applied at the same points in gaps and under adjacent canopies in unevenaged, mixed Dinaric fir-beech and pure beech montane forests. Locations covereda range of radiation andstandstructure conditions. Data analyses showedgoodreliability of all four methods over the whole range (2–80%) of radiation conditions. The most comparable results come from LAI 2000 andfilm hemispherical photography (all R > 0.90). Digital hemispherical photography is an accurate andreliable (R = 0.89) replacement for film hemispherical photography, but the higher values estimatedfor direct radiation should be taken into account. Compared to the other three methods, the stable horizontoscope gives less accurate results, especially under canopies with poorly defined gaps. Our study showed that all four methods tested are suitable for estimating the solar radiation climate in gaps and stands with heterogeneous vertical structures, andhave potential value as a tool in decision making when practicing silviculture.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: The history and natural regeneration of a secondary oak-beech woodland on a former wood-pasture in Hungary
Autorzy:: Varga, A.
Odor, P.
Molnar, Z.
Boloni, J.
Tematy:: history
natural regeneration
secondary forest
oak-beech forest
socioeconomic change
forest cover change
large tree
wood pasture
Hungary; Pokaż więcej
Data publikacji:: 2015
Powiązania:: https://bibliotekanauki.pl/articles/59012.pdf Link otwiera się w nowym oknie
Źródło:: Acta Societatis Botanicorum Poloniae; 2015, 84, 2
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Opis:: Characteristic features of European woodland include both a reduction in natural forest areas and an increase in former agricultural areas occupied by secondary woodland. The management of these areas is challenging in terms of nature conservation, agricultural and forestry management and policy. The aim of our study was to reconstruct the history and to document the current tree stand structure for a secondary oak-beech woodland in Hungary. Towards the end of the 1800s, this area which was once almost completely occupied by a continuous forest, had been transformed into a wood-pasture. As a result of its gradual abandonment, the closed forest stand of the pasture increased from 10 to 52% between 1963 and 2005. The most characteristic feature of this woodland is the abundance of large trees. Globally, the number of large and ancient trees is rapidly diminishing. Therefore preserving and maintaining such areas, where large trees could live, is an essential management task.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Phytocenotical and ecological characterization of beech forest (Fagus silvatica L.) of Ukraine and possibility to expand their area due to global warming
Autorzy:: Parpan, V.I.
Stojko, S.M.
Parpan, T.V.
Tematy:: ecological characteristics
beech forest
Fagus sylvatica
Ukraine
possibility
global warming
phytocoenotic characteristics
hydrothermal coefficient; Pokaż więcej
Data publikacji:: 2013
Powiązania:: https://bibliotekanauki.pl/articles/59756.pdf Link otwiera się w nowym oknie
Źródło:: Infrastruktura i Ekologia Terenów Wiejskich; 2013, 2/IV
1732-5587
Pojawia się w:: Infrastruktura i Ekologia Terenów Wiejskich
Opis:: In the late Holocene (4 thousand years ago), there were favorable environmental conditions for the growth of beech and spread of beech forests formation in the western regions of Ukraine in a warm and humid climate. Continuous and disjunctive area of beech forest covered the area of 1,445 thousand ha, within which beech forests expanded in an area which was around 525 thousand ha. During the past two centuries due to various types of human impact beech forests have changed significantly both quantitatively and qualitatively. Those changes had negative impact on their coenotic structure. Within the natural habitat of beech forest the beech area decreased by 129.9 thousand ha, or 22.2% (relative to their current area). Ukraine is one of the least wooded countries in Europe (forest cover is only 15.7%). The reproduction of beech forests and the expansion of beech forest area is an important silvicultural and economic aim. Real opportunities for beech forests exist in moderately humid climate zone of West Ukraine. In Ukrainian areas of Roztochya, Opillya and Podillya, remains of natural beech forest are preserved. These phytocoenoses line out the Eastern European border area of beech forests. There is an interest to determine their dynamic trends due to global warming; furthermore such derivatives of natural biogeocenosis are subject to preservation.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: The dynamics and structure of dead wood in natural spruce-beech forest stand - a 40 year case study in the Krkonose National Park
Autorzy:: Vacek, S.
Vacek, Z.
Bilek, L.
Hejcmanova, P.
Sticha, V.
Remes, J.
Tematy:: forest
natural forest
mixed stand
dynamics
structure
dead wood
spruce-beech forest
European beech
Fagus sylvatica
Norway spruce
Picea abies
Czech Republic
Karkonosze National Park; Pokaż więcej
Data publikacji:: 2015
Powiązania:: https://bibliotekanauki.pl/articles/41560.pdf Link otwiera się w nowym oknie
Źródło:: Dendrobiology; 2015, 73
1641-1307
Pojawia się w:: Dendrobiology
Opis:: The study deals with long-term dynamics of snags and fallen dead wood from 1970 to 2010 in an unmanaged forest ecosystem dominated by European beech in the Bažinky area, Krkonoše National Park (Czech Republic). The volume of dead wood was estimated from 1970 separately for fallen dead wood (logs) and standing dead wood (snags and stumps). Total dead wood volume on permanent research plot (PRP) 6 increased from 41.9 to 241.6 m3 ha–1 and on PRP 7 from 27.7 to 170.0 m3 ha–1. During 40 year case study the mean total volume of fallen dead wood was 193.3 m3 ha–1 (± 29.8 S.E.) and 96.2 m3 ha–1 (± 19.4 S.E.) and the mean total volume of standing dead wood was 17.4 m3 ha–1 (± 3.4 S.E.) and 12.6 m3 ha–1(± 1.4 S.E.) on PRP 6 and PRP 7, respectively. Comparing tree species, the mean volume of fallen dead wood was significantly higher for Norway spruce than for beech in the decomposition class 1 (F(1, 14) = 5.7, P = 0.03) and significantly higher for beech in the decomposition classes 4 (F(1, 14) = 20.4, P < 0.001) and 5 (F(1, 14) = 25.5, P < 0.001). Dead wood was distributed from randomly to aggregated spatial pattern. Despite the rapid decay of beech wood, the amounts of deadwood are likely to increase further during the next decades with continuing disintegration of the forest stand.
Dostawca treści:: Biblioteka Nauki

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