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    Wyświetlanie 1-12 z 12
    Tytuł:
    Jarząb brekinia (Sorbus torminalis) w polskich lasach
    Wild service tree (Sorbus torminalis) in Polish forests
    Autorzy:
    Bednorz, L.
    Urbański, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/991153.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    botanika lesna
    drzewa lesne
    jarzab brekinia
    Sorbus torminalis
    wystepowanie
    Polska
    sorbus torminalis
    forest trees
    species protection
    commercial cultivation
    Opis:
    The paper presents a brief history and present state of Sorbus torminalis in Polish forests. It shows the history of research and conservation of this species and changes in conservation strategies and methods. The future of the species, concerning both conservation and cultivation context looks optimistically.
    Źródło:
    Sylwan; 2014, 158, 08; 614-620
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jak chronić jarząb brekinię (Sorbus torminalis) w polskich lasach?
    How to protect the wild service tree [Sorbus torminalis] in Polish forests?
    Autorzy:
    Bednorz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012264.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Sorbus torminalis
    zasoby genowe
    wystepowanie
    ochrona gatunkowa
    Polska
    zagrozenia roslin
    gatunki rodzime
    jarzab brekinia
    lesnictwo
    drzewa lesne
    species protection
    genetic resources
    in situ and ex situ measures
    sorbus torminalis
    Opis:
    The paper presents the proposal of the strategy of conservation of genetic resources of Sorbus torminalis in Polish forests. The need of active protection of the species based on both, in situ and ex situ methods, was emphasized.
    Źródło:
    Sylwan; 2009, 153, 05; 354-360
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozprzestrzenianie się zarośli drzewiastych w piętrze połonin Bieszczad Zachodnich
    Expansion of brushwood in the subalpine zone of the Western Bieszczady Mts.
    Autorzy:
    Durak, T.
    Żywiec, M.
    Ortyl, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/993087.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Bieszczady Zachodnie
    rzeka Mala Rawka
    Wielka Rawka
    poloniny
    zarosla
    drzewa
    jarzab pospolity
    Sorbus aucuparia
    olsza zielona
    Alnus viridis
    rozprzestrzenianie sie roslin
    abandoned grasslands
    land use
    sorbus aucuparia
    succession
    eastern carpathians
    Opis:
    Complete discontinuation of agricultural use of subalpine meadows in the Western Bieszczady, which dates back to 1940s, started the process of their overgrowing with brushwood. Based on available cartographic material the following features were analysed: changes in the area occupied by brushwood on Mała Rawka and Wielka Rawka subalpine meadows, their growth rate and the relationship between the overgrowth process and the previous manner of agricultural use as well as topographic conditions throughout last 30 years. In that period the brushwood on Mała Rawka meadow (in the past the area had been reaped) was characterised by a small initial area (in the 1980s), a significant growth rate of the area and its relation to the slopes exposed to N, NE and E, the zone adjacent to the timber line and steeper slopes. In 1980 on Wielka Rawka meadow (previously used as a pasture) a high share of brushwood was found (about 25% of the meadow area), whose distribution was related only to the slopes of N, NE and E exposure. In subsequent years the growth rate was low. The results indicate a progressing process of overgrowing of subalpine meadows by brushwood. The brushwood expansion is related to discontinuation of agricultural use of the meadows and its course depends on the earlier regime of cultivation. The pattern of brushwood distribution also depends on altitude, exposure and the grade of slopes. Those relations result from the expansion of the rowan tree, dominating in the brushwood, also climatic conditions and accessibility of the ground.
    Źródło:
    Sylwan; 2013, 157, 02; 130-138
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tempo wzrostu jarzębiny (Sorbus aucuparia L.) a rozpad górnoreglowego drzewostanu świerkowego
    The growth rate of rowan [Sorbus aucuparia L.] versus subalpine spruce stand break down
    Autorzy:
    Żywiec, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012925.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wzrost roslin
    odnowienia lasu
    Babia Gora
    tempo wzrostu
    drzewostany swierkowe
    lasy gorskie
    Sorbus aucuparia
    zamieranie lasow
    regiel gorny
    lesnictwo
    jarzab pospolity
    luki drzewostanowe
    babia góra national park
    sorbus aucuparia l.
    subalpine spruce forest
    growth rate
    stand breakdown
    Opis:
    The paper presents temporal relationships between the breakdown of tree stand in the subalpine spruce forest and the regeneration of rowan (Sorbus aucuparia L) as well as the rate of height growth of rowan stems. Rowans growing in a large gap recruited mostly from the seedling and sapling bank established under the living spruce stand before its breakdown. The rate of stem height growth was five times higher after the gap formation than under spruce stand. In spite of considerable age differences of rowans the variability in their final height after over 20 years of rapid growth was small.
    Źródło:
    Sylwan; 2008, 152, 04; 38-45
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zdrowotność jarzębu szwedzkiego (Sorbus intermedia L.) w wybranych lokalizacjach Tatrzańskiego Parku Narodowego
    Health status of Swedish whitebeam (Sorbus intermedia L.) in selected regions of the Tatra National Park
    Autorzy:
    Pusz, W.
    Baturo-Cieśniewska, A.
    Zwijacz-Kozica, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/985730.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    fitopatologia lesna
    jarzab szwedzki
    Sorbus intermedia
    zdrowotnosc drzew
    ocena zdrowotnosci
    parki narodowe
    Tatrzanski Park Narodowy
    swedish whitebeam
    pathogenic fungi
    tatra mts.
    Opis:
    Swedish whitebeam (Sorbus intermedia (Ehrh.) Pers.) is a species with a very limited range. It occurs only in southern Scandinavia and along the Baltic coast, without the Gulf of Finland. Its southernmost natural localities are situated in northern Poland. They are few in number, grouped in two regions: near Kołobrzeg and the Gulf of Gdańsk. Currently, only three of them survive: vicinity of Sarbinowo as well as Kępa Redłowska and Przylądek Rożewski. In the Podtatrze region, S. intermedia has long been planted along roads, on green areas, in gardens and parks, among others in Zakopane. In the Tatras it did not appear, so it is a foreign species for this region. Currently, in the Tatra National Park there are several hundred fruiting specimens of this species growing. Most of them are part of a forty−year−old stand planted on the back of the Grzybowiec ridge. The aim of this research was to recognise the health status of S. intermedia. Phytopathological research was conducted in 2018 in the Tatra National Park. Leaves that were subject to analysis were decontaminated in 1% surfactant solution of sodium hypochlorite. Their fragments of about 0.5 cm were placed on Petri plates with PDA (Potato Dextrose Agar). The growing fungal colonies were consequently re−planted onto PDA slants for further culturing and taxonomic identification. The pathogens were identified basing on morphological features and with molecular tools. All S. intermedia in the Tatra National Park showed disease symptoms. Infected S. intermedia leaves were colonized by A. alternata, which fraction amounted to over 40%. The following dominant was B. exigua with over 30% share. F. avenaceum (close to 10%) and E. nigrum and D. macrostoma were also found. The S. intermedia population growing in the Tatra National Park is characterized by a poor condition, which may in the future affect the population of this plant in the Tatra Mts.
    Źródło:
    Sylwan; 2019, 163, 06; 489-495
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ warunków klimatycznych na przyrosty roczne jarzębów szwedzkich Sorbus intermedia (Ehrh.) Pers. rosnących na stanowiskach miejskich
    Influence of climate conditions on tree-ring width of the Swedish whitebeam Sorbus intermedia (Ehrh.) Pers. growing at the urban sites
    Autorzy:
    Cedro, A.
    Nowakowska, M.
    Nowak, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/979224.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    miasta
    dendroklimatologia
    Sorbus intermedia
    przyrosty roczne
    warunki klimatyczne
    temperatura powietrza
    opady atmosferyczne
    drzewa liściaste
    jarząb szwedzki
    usłonecznienie
    dendroclimatology
    urban conditions
    Szczecin
    Opis:
    The aim of the research was to determine the impact of climatic conditions on the tree−ring width of Swedish whitebeam Sorbus intermedia (Ehrh.) Pers. growing in the urban conditions in Szczecin (NW Poland). The samples were taken from 26 trees growing along Rodziewiczówny, Ejsmonda and Santocka streets (left bank of the Odra river). On the basis of the tree−ring width measurements and cross−dating, two local chronologies (JS1 – Rodziewiczówny and Ejsmonda streets, and JS2 – Santocka street) were developed. Later on we indexed them (double detrending, least squares method and spline function) and subjected to the analysis of correlation and response functions. Growth−climate dependencies in both Swedish whitebeam communities are different. For the JS1 chronology the highest value of the multiple regression coefficient was obtained for air temperature, while for JS2 chronology for insolation and precipitation. For both sequences dependency on climate is similar in August and December of the previous year of vegetation and in January, February, April, June and July of the current year. The observed differences are the result of the impact of various factors related to human activity: traffic volume, soil pollution (mainly heavy metals and salt), damage to roots, trunks and crowns.
    Źródło:
    Sylwan; 2020, 164, 02; 102-109
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tradycyjna gospodarka odroślowa w Europie Środkowej i jej wpływ na różnorodność biologiczną
    The traditional coppice management system in Central Europe and its impact on biological diversity
    Autorzy:
    Szymura, T.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009353.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gospodarka lesna
    gospodarstwa odroslowe
    uzytkowanie lasu
    ochrona bioroznorodnosci
    lasy
    Europa Srodkowa
    coppice stands
    natura 2000
    nature protection
    quercus petraea
    sorbus torminalis
    Opis:
    Coppice management system uses the ability of trees to produce shoots from felled stumps. A modification of this type of management is the system of so called coppice with standards where low−forest individuals grow along with single, high−forest trees originated from seeds. Both types of silvicultural systems have been used in Central Europe since Middle Ages supplying small assortments of wood and tanbark. The economic changes that took place in the 1700s initiated conversion of coppice forests into high−forest ones. A brief renaissance of coppice system occurred in 1850−1900 as a result of rapid growth in the demand for oak tanbark, which overtime was gradually replaced by synthetic materials. Today there is a return to coppice management, this however being the result of increased nature protection efforts. Withdrawal from coppice cuts causes increased shading of the forest floor and, in consequence, a decline in biological diversity following disappearance of thermophilous and heliophilous animal and herb species. Restoration of coppicing or similar forms of management restrains their extinction. In Poland, coppice management is practically unknown, however in the Pogórze Kaczawskie (Sudety Mountains) there have preserved oak coppice stands – the remains of the former German management. Such stands abandon with rare and protected species of forest floor vegetation and a relatively numerous population of wild service. The experiences of other countries indicate that preservation of such species−rich and very specific plant communities will probably require very active treatments.
    Źródło:
    Sylwan; 2010, 154, 08; 545-551
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ cech biometrycznych drzewostanu oraz wybranych czynników środowiskowych na kształtowanie się bieżącego przyrostu miąższości górskich drzewostanów świerkowych
    Effect of stand biometrical parameters and selected environmental factors on the current annual volume increment of mountain spruce stands
    Autorzy:
    Socha, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012268.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    czynniki srodowiska
    cechy biometryczne
    drzewostany swierkowe
    lasy gorskie
    przyrost miazszosci
    lesnictwo
    przyrost drzewostanu
    zmiennosc
    species protection
    genetic resources
    in situ and ex situ measures
    sorbus torminalis
    Opis:
    The paper presents the proposal of the strategy of conservation of genetic resources of Sorbus torminalis in Polish forests. The need of active protection of the species based on both, in situ and ex situ methods, was emphasized.
    Źródło:
    Sylwan; 2009, 153, 05; 323-331
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Występowanie Phytophthora cactorum na jarząbie zwyczajnym (Sorbus aucuparia) w szkółkach leśnych
    The occurrence of Phytophthora cactorum on rowan (Sorbus aucuparia) in forest nurseries
    Autorzy:
    Orlikowski, L.B.
    Duda, B.
    Oszako, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023374.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wystepowanie
    grzyby
    czynniki chorobotworcze
    Phytophthora cactorum
    szkolki lesne
    Sorbus aucuparia
    lesnictwo
    jarzab pospolity
    drzewa lesne
    fitopatologia lesna
    phytophthora spp.
    inoculation
    rowan
    disease
    stem necrosis
    isolation
    Opis:
    Phytophthora cactorum was isolated from about half of the rowan seedlings taken from 2 nurseries. Additionally, Botrytis cinerea and Fusarium solani were found in diseased tissues. In laboratory trials, the pathogen colonized plants of the family Rosaceae, and most especially Prunus avium, Pyrus communis and Rosa canina, as well as Alnus glutinosa, Betula verrucosa and coniferous plants. In a greenhouse trial, isolates from rowan and rhododendron were found to cause necrosis of the stem base, with a rate of disease spread of about 1.3 mm/24 h.
    Źródło:
    Sylwan; 2004, 148, 10; 67-72
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gatunki Phytophthora jako czynniki zagrażające Sorbus aucuparia w Polsce
    Phytophthora species as the causal threats of Sorbus aucuparia in Poland
    Autorzy:
    Orlikowski, L.
    Ptaszek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/973850.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewa
    jarzab pospolity
    Sorbus aucuparia
    zagrozenia roslin
    zgnilizna korzeni i pedow
    czynniki chorobotworcze
    Phytophthora cactorum
    izolaty grzybowe
    patogenicznosc
    kolonizacja
    wystepowanie
    phytophthora cactorum
    p. citrophthora
    occurrence
    isolates
    colonization
    Opis:
    Phytophthora cactorum and P. citrophthora were isolated from diseased plants of Sorbus aucuparia. P. cactorum was the dominant species on seedlings and 3−15 years old trees, while P. citrophthora was isolated only from 3−6 years old trees. Isolates of both species obtained from 10 host plants colonized stem fragments and leaf blades of S. aucuparia and S. intermedia. In greenhouse trials only isolates from Pinus sylvestris and Viola wittockiana did not cause root and stem base rot symptoms of rowan seedlings.
    Źródło:
    Sylwan; 2011, 155, 06; 421-428
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zawartość węgla w biomasie pospolitych gatunków krzewów podszycia leśnego
    Carbon concentration in the biomass of common species of understory shrubs
    Autorzy:
    Jagodziński, A.M.
    Jarosiewicz, G.
    Karolewski, P.
    Oleksyn, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1008422.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    pietro lesne
    podszyt
    krzewy lesne
    leszczyna pospolita
    Corylus avellana
    czeremcha zwyczajna
    Prunus padus
    czeremcha amerykanska
    Prunus serotina
    kruszyna pospolita
    Frangula alnus
    bez czarny
    Sambucus nigra
    deren swidwa
    Cornus sanguinea
    jarzab pospolity
    Sorbus aucuparia
    biomasa
    zawartosc wegla
    carbon concentration
    shrubs
    biomass components
    Opis:
    Experimental data on carbon concentration in woody plant species biomass are very scarce and value of 50% of dry biomass is widely accepted in carbon storage modeling. On the other hand, some studies have proved that the carbon concentration in woody species biomass is variable and depends on the component. Thus, the main goal of the study was to determine carbon concentration in biomass of 7 understory shrub species (basing on 282 individuals): Corylus avellana, Prunus padus, P. serotina, Frangula alnus, Sambucus nigra, Cornus sanguinea and Sorbus aucuparia as well as to analyze variability of carbon concentration among shrub species and biomass components. Carbon concentration was analyzed for leaves, fruits, branches, stemwood, stembark, coarse and fine roots. Our study revealed that the mean carbon concentration in biomass of all species studied was 47.7%. We found statistically significant differences in carbon concentration among the shrub species studied in all biomass components. The mean value for particular species was as follows: Prunus serotina – 47.5%, P. padus – 47.6%, Frangula alnus – 47.7%, Sambucus nigra – 47.7%, Corylus avellana – 47.8%, Cornus sanguinea – 47.8% and Sorbus aucuparia – 47.8%. Additionally, we found statistically significant differences in carbon concentration among biomass components within the species studied. The mean carbon concentration in fruit biomass was 46.2%, in fine roots – 47.0%, in leaves – 47.2%, in coarse roots – 47.7%, in branches – 47.9%, in stemwood – 48.5% and in stembark – 48.6%. The variability of carbon concentration in fruit, branches and leaves biomass was higher than in the remaining biomass components. The variability of carbon concentration in biomass of woody species should be considered in carbon storage modeling in forest ecosystems.
    Źródło:
    Sylwan; 2012, 156, 09; 650-662
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Obce gatunki drzewiaste w południowym kompleksie Puszczy Niepołomickiej
    Alien woody species in the southern complex of the Niepolomice Forest
    Autorzy:
    Gazda, A.
    Fijała, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009449.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Niepolomicka
    drzewa lesne
    gatunki obce
    czeremcha amerykanska
    Prunus serotina
    dab czerwony
    Quercus rubra
    gatunki lasotworcze
    jarzab pospolity
    Sorbus aucuparia
    dab szypulkowy
    Quercus robur
    brzoza brodawkowata
    Betula pendula
    sosna zwyczajna
    Pinus sylvestris
    czeremcha zwyczajna
    Prunus padus
    topola osika
    Populus tremula
    odnowienia naturalne
    alien species
    invasive species
    niepołomice forest
    poland
    Opis:
    Managed forests are likely to be exposed to uncontrolled, spontaneous spread of alien/invasive species as a result of a frequently conscious introduction of alien species to forests in order to achieve economic gains. Unfortunately, we still lack data on the intensity of such invasions to forests on a larger scale. The aim of the paper is to provide a detailed qualitative and quantitative description of the existing regeneration of tree species, particularly the alien ones, and to determine the impact of selected factors on the regeneration of introduced species. The research was carried out in a mixed coniferous forest habitat in the "Uroczysko Główne". Particular focus was on the regeneration of alien species. Eight tree species were found to be regenerating naturally on the examined plots of which two were alien species. The scale of occurrence of alien species in comparison with native ones, particularly the black cherry, may now become a problem. Alien species accounted for nearly 25% of all tree species regeneration in the examined area and were noted in over half of the plots. It can therefore be said that the conditions occurring in the southern complex of the Niepołomice Forest have a great impact on tree regeneration and may favour spontaneous spread of alien species. The research helped to quantified and qualified the intensity of forest colonisation by the two most frequently occurring alien species.
    Źródło:
    Sylwan; 2010, 154, 05; 333-340
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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