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Wyświetlanie 1-15 z 194
Tytuł:
Model wzrostu pierśnicy buka (Fagus sylvatica L.) rosnącego w drugim piętrze drzewostanu bukowo-sosnowego
Breast height diameter growth model for European beech (Fagus sylvatica L.) growing in the understorey of the beech-pine stand
Autorzy:
Dudzińska, M.
Powiązania:
https://bibliotekanauki.pl/articles/991519.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewostany bukowo-sosnowe
buk zwyczajny
Fagus sylvatica
piersnice drzew
modele wzrostu
diameter growth
two−storied stand
fagus sylvatica
empirical equations
Opis:
The study was based on the empirical material collected from 78 beech−pine stands located in the territory of the Miłomłyn (46 plots) and Stare Jabłonki (32 plots) Forest Districts. On the basis of the collected material, a breast height diameter growth model has been developed for the beech growing in the understorey of pine−beech stands. The developed function is an integral part of the growth model for mixed beech−pine stands.
Źródło:
Sylwan; 2013, 157, 04; 262-267
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie ekotypowe populacji buka zwyczajnego (Fagus sylvatica L.) w Polsce
Ecotype differentiation of European beech [Fagus sylvatica L.] populations in Poland
Autorzy:
Sułkowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1019503.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
buk zwyczajny
proweniencje
Polska
ekotypy
lesnictwo
Fagus sylvatica
drzewa lesne
fagus sylvatica
provenance test
genetic variation
izoenzyme analysis
Opis:
The aim of the study was to estimate the ecotype diversity of Fagus sylvatica L. in the context of the genetic variation within the natural range of its distribution in Poland. The study covered 13 beech provenances from the selected seed stand. Additionally, 13 natural beech populations were subjected to analysis with special consideration taken of the diversity of this species in the forest complexes of the Bieszczady region. The high inter−population variation was proved by way of natural selection processes depending on site−climate conditions. The results point out to the need of selection of provenances to match the individual environmental conditions.
Źródło:
Sylwan; 2006, 150, 07; 38-50
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dendroclimatic responses of four European broadleaved tree species near their southwestern range edges
Autorzy:
Rozas, Vicente
Olano, José M.
Powiązania:
https://bibliotekanauki.pl/articles/957031.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
acer campestre
fagus sylvatica
fraxinus excelsior
quercus robur
dendrochronology
Opis:
Iberian temperate forests are distributed along the boundary between the Atlantic and the Mediterranean biogeographical regions, and represent the south-western range edges of diverse European broadleaved deciduous tree species. Trees growing at the boundary between Atlantic and Mediterranean biomes suffer from different stresses, including increasing moisture deficit which has been identified as one of the main limitations for growth. In this work, dendrochronological techniques were employed to characterize the radial growth of Acer campestre L., Fagus sylvatica L., Fraxinus excelsior L., and Quercus robur L. in a mixed forest in northern Spain, and examine its relationships with local climate near their south-western range edges. Acer and Fagus tree-ring chronologies showed the highest common signal and the strongest responses to climate. Positive effects of precipitation, especially in the previous December and current summer, were relevant for growth of all species. Only Acer growth showed a detrimental effect of maximum diurnal temperatures in the previous autumn and current summer, while Fraxinus and Quercus growth was benefited by above-average winter temperatures. Cloud cover strongly improved the radial growth of all species, probably because cloudy conditions mitigate the detrimental effects of summer water depletion and low winter temperatures. The beneficial effects of precipitation and cloudiness on tree growth were temporally unstable and have become significant generally since the 1970s, suggesting that rising temperatures and decreasing rainfall shape radial growth-climate relationships of broadleaved deciduous trees near their southern range edges.
Źródło:
Dendrobiology; 2017, 77; 65-75
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maturation of Oriental beechnuts (Fagus orientalis)
Autorzy:
Yilmaz, M
Dirik, H.
Powiązania:
https://bibliotekanauki.pl/articles/41227.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Oriental beech
Fagus orientalis
beechnut
maturation
seed
tree
Opis:
In this study, both the morphological maturation and germination ability of the Oriental beechnut were investigated two months prior to seed dispersal to find out the appropriate period of ripened beechnut collection. Beechnuts were collected in the seed stand, Dokurcun-Adapazari, on August 21, September 9, and September 25 on trees, and on October 16, 2003, from the ground after the major seed fall. Germination percentages were 18.0%, 80.5%, 92.0%, and 94.7% on August 21, September 9, September 25, and October 16, respectively. Similarly, both beechnut weight and the embryo:beechnut weight ratio significantly increased with time and reached an approximate maximum level at September 25, 2–3 weeks prior to seed dispersal. This outcome indicates that ripened beechnuts can be collected from the trees, 15–20 days prior to major seed dispersal. The study also indicates that ripened Oriental beechnuts have physiological dormancy and need about 8–10 weeks chilling at 3°C for germination.
Źródło:
Dendrobiology; 2008, 60; 57-62
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uszkodzenia nasion buka w koronach drzew Część II. Uszkodzenia bukwi powodowane przez kręgowce
Predispersal beech seed predation Part II. Predation of beech seeds by vertebrates
Autorzy:
Skrzydłowski, T.
Piotrowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1026676.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
kregowce
buk zwyczajny
szkodniki nasion
nasiona
korony drzew
lesnictwo
uszkodzenia nasion
Fagus sylvatica
drzewa lesne
predispersal seed predation
vertebrates
fagus sylvatica
seed survival
Opis:
The paper provides a comparative analysis of damage caused by vertebrates to beech seeds in the Babia Góra and Ojców National Parks. The assessment of damage of beech seeds by vertebrates is the part of the broader research concerning the predispersal seed predation in tree crowns.
Źródło:
Sylwan; 2003, 147, 05; 86-92
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Toponimy a zasięg występowania drzew na przykładzie rozmieszczenia buka zwyczajnego w Polsce
Toponyms and tree range - a case study of European beech distribution in Poland
Autorzy:
Barabach, J.
Powiązania:
https://bibliotekanauki.pl/articles/986463.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
toponimia
nazwy miejscowe
Panstwowy Rejestr Nazw Geograficznych
buk zwyczajny
Fagus sylvatica
wystepowanie
Polska
phyto−toponyms
fagus sylvatica
national register of geographical names
toponymy
Opis:
The paper presents the inventory of place names (toponyms) connected to European beech (Fagus sylvatica L.). This tree species reaches its eastern distribution limit in Poland and covers around 5.9% of forest area in the country. Due to the fact that its occurrence depends mostly on climatic conditions it is present on the west, north and south, but not in the central and eastern part of Poland. The aim of this study was to compare, using geographic information system (GIS) tools, spatial distribution of toponyms derived from the core ‘buk’ (i.e. beech in Polish) with present occurrence of this tree known from botanical studies, and its natural limits described in the literature. Thanks to National Register of Geographical Names 1314 topographic objects names derived from beech were determined and classified into several groups of origin. Around 38% of phyto−toponyms are names of settlements or their parts. The results of spatial analysis of this objects show great similarity with present day distribution of this species in Poland. As much as 75% of them are located within the area presently covered with Fagus sylvatica (according to European Forest Genetic Resources Program) and around 92% within its range limit. Some regions where the density of phyto−toponyms is quite high and which nowadays are covered by other species than beech were also delimited (e.g. Dalkowskie Hills or Bytów Lakeland). This results suggest that European beech may be the natural representative of local dendroflora, but due to the changes in land cover it was replaced by other species. This hypothesis seems to be confirmed by palaeoecological studies. Huge similarity of distribution of toponyms derived from beech and distribution of this tree known from the literature shows that this method have a great potential as a reliable, simple and cheap proxy in studies on the spatial range of the species.
Źródło:
Sylwan; 2018, 162, 08; 664-670
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality of beechnuts from different crop years
Autorzy:
Prochazkova, Z
Bezdeckova, L.
Martincova, J.
Palatova, E.
Powiązania:
https://bibliotekanauki.pl/articles/41398.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
viability
beechmast
Fagus sylvatica
quality
crop
germination value
storage
germination
Opis:
Fresh and stored beechnuts collected in 1992, 1995, 1998, 1999 and 2000 were tested for viability and in 1998, 1999 and 2000 also for germination. Germination parameters such as peakvalue, mean weekly germination (modified mean daily germination), germination capacity, and germination value (Czabator 1962) were calculated from the germination test data and these indicators were also used for comparing beechnut quality. The highest viability for pre-stored beechnuts occurred in 1998 (80%) and this increased by 4% when these seedlots were stored for 1.5 years. Viability of fresh beechnuts collected in 1992, 1995 and 1999 was 64, 73 and 77%, respectively. Viability of 1995-collected beechnuts decreased after 3 years storage. Germination of fresh seeds was only done for the 1998, 1999 and 2000 collections where the best germination occurred for the 1998 collection. Germination of beechnuts collected in 1992 and 1995 was significantly reduced after 3 and 6 years of storage, respectively, while beechnuts collected in 1998 and stored for 1.5 years germinated about 15% better than fresh seeds of the 1999 crop. The peakvalue, mean weekly germination and the time required for viable seeds to reach 80% germination showed that the 1998 crop had the highest, overall quality. Eighty percent of the viable seeds collected in 1998 germinated in 9-10 weeks while fresh beechnuts from 1999 needed nearly 13 weeks to germinate, as did beechnuts collected in 1992 and stored for 7 years. Besides the germination capacity the germination value seems to be the very good indicator for determining the quality of stored beechnuts.
Źródło:
Dendrobiology; 2002, 47 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dendrochronologiczna analiza przyrostów rocznych buka zwyczajnego (Fagus sylvatica L.) w Nadleśnictwie Iława
Dendrochronological analysis of European beech [Fagus sylvatica L.] tree rings in the Ilawa Forest District
Autorzy:
Koprowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1018497.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Nadlesnictwo Ilawa
dendrochronologia
buk zwyczajny
sloje przyrostu rocznego
lesnictwo
Fagus sylvatica
dendroklimatologia
drzewa lesne
dendrochronology
dendroclimatology
european beech
fagus sylvatica
Opis:
The study focused on tree rings of European beech in the stands in the Iława Forest District. The aim of the study was to analyse the effect of climatic conditions on the formation of the annual ring width at the limits of beech natural distribution in an area where the Atlantic and Continental climate meet and overlap. The mean tree−ring width was relatively wide and equalled 2,89 mm. The obtained time series covered the years between 1900 and 2002. On the basis of the response function analysis and indicator years it was demonstrated that there was a considerable impact of spring/summer precipitation on annual growth ring formation.
Źródło:
Sylwan; 2006, 150, 05; 44-50
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Practical implications of inconsistent germination and viability results in testing stored Fagus sylvatica seeds
Autorzy:
Bezdeckova, L.
Prochazkova, Z.
Matejka, K.
Powiązania:
https://bibliotekanauki.pl/articles/41257.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
practical implication
germination
viability
testing
Fagus sylvatica
beechnut
seed
Opis:
Germination and viability of stored European beech (Fagus sylvatica) seeds can vary depending upon the time when the tests are done during seed storage. To determine the possible sources of such variation the germination (GERM), germination rate expressed as mean germination time (MGT) and viability (VIAB) of six beechnut lots (three lots from two crop years) were determined monthly for one year using controlled laboratory conditions and standard tests. Higher GERM of some lots occurred when tests for stored seeds were carried out in spring and early autumn while other lots germinated better during summer tests. Similarly, different germination speed (dormancy release) and VIAB were observed in different months for different lots. However, no consistent seasonal fluctuation in GERM, MGT or VIAB of the beechnuts was observed in the tests. The reason for this fluctuation seems to be initial quality (germination and dormancy) of beechnut lots rather than any endogenous factors
Źródło:
Dendrobiology; 2014, 71
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mycena romagnesiana collected in the Bieszczady Mts
Mycena romagnesiana zebrana w Bieszczadach
Autorzy:
Komorowska, H.
Powiązania:
https://bibliotekanauki.pl/articles/67470.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Mycena romagnesiana
Bieszczady Mountains
Fagus
locality
morphology
distribution
Europe
Opis:
Mycena romagnesiana described by Maas Geesteranus (1991), is reported from two localities in Bieszczady Mts (SE Poland). Macro- and micromorphological description supplemented with the author’s observations of the dry material and its colour picture are given. Drawings of microcharacters and distribution map of species in Europe are provided.
Przedstawiono Mycena romagnesiana Maas Geest., takson nowy dla Polski. Został on opisany niedawno przez Maas Geesteranusa (1991). Prowadząc badania nad rodzajem Clitocybe w różnych częściach Polski (szczególnie w rezerwatach i parkach narodowych, w ramach projektów badawczych w latach 1996-1999 i 2002-2006) starano się zebrać ten gatunek. Sądzono, że i w Polsce powinien rosnąć. Wiadomo, że zbierany był w europejskich górach, na drewnie buka, a świeże okazy są podobne do M. galericulata. Zgromadzono bogaty materiał okazów Mycena, podobnych do M. galericulata, z buczyn w zachodniej Polsce, z Roztocza i Karpat. Po identyfikacji okazało się, że tylko 2 okazy zebrane na dwóch stanowiskach w Bieszczadach należą do M. romagnesiana. Większość została zidentyfikowana jako M. galericulata 2 sporowa. Część okazów ciągle pozostaje jeszcze nieoznaczona (są podobne do gatunku jak wyżej, ale mają inne zarodniki). Przedstawiono krótką charakterystykę makro- i mikromorfologii dokumentując je zdjęciami i rysunkami. Rozmieszczenie stanowisk, z literatury, uzupełnione własnymi danymi i z I nternetu, zestawiono na mapie Europy.
Źródło:
Acta Mycologica; 2010, 45, 2
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cryptococcus fagisuga Lindinger, 1936 (Homoptera: Coccinea, Cryptococcidae) - szkodnik buka Fagus sylvatica L. w północnej części Parku Krajobrazowego Pojezierza Iławskiego
Autorzy:
Gazińska, P.
Powiązania:
https://bibliotekanauki.pl/articles/1021986.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
stopien porazenia
szkodniki roslin
buk zwyczajny
lesnictwo
Park Krajobrazowy Pojezierza Ilawskiego
Cryptococcus fagisuga
Fagus sylvatica
czerwce
drzewa lesne
cryptococcus fagisuga
scale insects
beech
fagus sylvatica
Opis:
Studies carried out in the Iława Lakeland Landscape Park were aimed at assessing the intensity of beech infection by scale insects C. fagisuga. The assessment was made in a 6−grade scale which involved the intensity of infection and the structure of colony distribution on trees. To do that, 500 trees were examined; the presence of pest was found on 91% of them. It seems reasonable to initiate monitoring programme and to remove highly infected trees.
Źródło:
Sylwan; 2005, 149, 06; 34-39
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przestrzenno-czasowe zróżnicowanie pojemności wodnej koron drzew leśnych na przykładzie buka zwyczajnego
Spatio-temporal variability of water storage capacity in forest canopies of European beech
Autorzy:
Klamerus-Iwan, A.
Szymański, W.
Powiązania:
https://bibliotekanauki.pl/articles/988987.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewa lesne
intercepcja
buk zwyczajny
Fagus sylvatica
korony drzew
pojemnosc wodna
opady atmosferyczne
opad podkoronowy
metody badan
metody geostatystyczne
throughfall
interception
stemflow
fagus sylvatica
Opis:
The study presents plant interception understood as a process of retaining rainfall over the entire surface of the plant. The objective was to collect and prepare data presenting changes in the amount of rainwater reaching the forest floor, and to inference on the diversity of water capacity within canopy of a single tree. A characteristic feature of an interceptive tank is the lack of tightness, which provides the possibility for the determination of horizontal distribution of water that reaches the forest floor. The amount of throughfall depends on direct rainfall and humidity, while its spatial distribution depends on the structure and species composition, the shape of crowns, the degree of compaction of foliage in the crowns and the distance from the tree trunk. Increase in rainfall was reported at specified time points, which, in combination with the distribution of rain gauges in the square grid, provided spatio−temporal image describing changes of water capacity of the treetops. Single tree and biogroups influence the specific mosaic of soil properties that change even on a small scale. This kind of interaction is somewhat important for the stand regeneration. The studies were carried out in Węgierska Górka Forest District (southern Poland). Changes in the amount of rainwater reaching the forest floor after successive time points during 47 individual rainfall events were controlled. Spatio−temporal distribution of rainfall was related to the distance from the trunk, but primarily to the construction of the treetop. As a result, the graphic interpolation of spatial data describing the amount of water retained in the treetop after a single rainfall was provided. The distance from the trunk, the branch system and construction of the treetop significantly affected the amount of water reaching the forest floor. The morphology of the treetop and root system, as well as the characteristics of beech trunk are causes, and simultaneously, consequences of penetration of rainfall into the forest floor that is characteristic for this species. The increasing attention is paid to determine the spatial variability of studied phenomena, which is a kind of physical−mathematical model, which takes into account the local variation of the analyzed traits.
Źródło:
Sylwan; 2017, 161, 02; 142-148
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przyczynek do zagadnienia buka
Nekotorye problemy buka v Beskidakh
Contribution to the promlem of beech in the Beskidy Mts.
Autorzy:
Twarog, J.
Powiązania:
https://bibliotekanauki.pl/articles/813462.pdf
Data publikacji:
1971
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
gospodarka lesna
Beskidy
buk
Fagus
pozyskiwanie drewna
drewno bukowe
wykorzystanie
Źródło:
Sylwan; 1971, 115, 09
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Miąższość i jakość 20-letnich drzewostanów bukowych krajowych proweniencji
Ob''em i kachestvo bukovykh nasazhdenijj otechestvennykh proiskhozhdenijj v vozraste 20 let
Volume and quality of beech stands of Polish provenances in age of 20 years
Autorzy:
Rzeznik, Z.
Powiązania:
https://bibliotekanauki.pl/articles/815635.pdf
Data publikacji:
1988
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
drzewostany bukowe
miazszosc drzewostanow
buk
Fagus sylvatica
proweniencje
Źródło:
Sylwan; 1988, 132, 08
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 194

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