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    Wyświetlanie 1-9 z 9
    Tytuł:
    Wplyw brzozy brodawkowatej [Betula pendula L.] na wzrost i pokroj debu szypulkowego [Quercus robur L.] w uprawach na przykladzie Nadlesnictwa Krynki
    Influence of silver birch [Betula pendula L.] admixture on growth and shape of pedunculate oak [Quercus robur L.] in plantations in Krynki Forest District
    Autorzy:
    Andrzejczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/45841.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    brzoza brodawkowata
    oddzialywanie na rosliny
    pokroj
    hodowla lasu
    Quercus robur
    lesnictwo
    dab szypulkowy
    uprawy lesne
    oslony naturalne
    wzrost roslin
    Betula pendula
    oslony lesne
    uprawy debowe
    drzewa lesne
    Źródło:
    Leśne Prace Badawcze; 2008, 69, 3; 203-209
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wplyw gatunkow domieszkowych na wzrost i pokroj debu szypulkowego [Quercus robur L.] w uprawie zalozonej metoda Szymanskiego
    Effect of admixture species on the growth of pedunculate oak [Quercus robur L.] in a plantation established using the Szymanski Method
    Autorzy:
    Andrzejczyk, T.
    Glodowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/46466.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    hodowla lasu
    odnowienia lasu
    metoda gniazdowa
    metoda Szymanskiego zob.metoda gniazdowa
    uprawy lesne
    wiezba drzew
    drzewa lesne
    dab szypulkowy
    Quercus robur
    wzrost roslin
    pokroj
    gatunki domieszkowe
    lipa
    Tilia
    swierk
    Picea
    Źródło:
    Leśne Prace Badawcze; 2010, 71, 4; 321-330
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ grabu (Carpinus betulus L.) na wzrost i przeżywalność dębu (Quercus robur L.) w fazie młodnika
    Effect of hornbeam (Carpinus betulus L.) on growth and survival of pedunculate oak (Quercus robur L.) during the thicket stage
    Autorzy:
    Andrzejczyk, T.
    Brzeziecki, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/985865.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    drzewostany mieszane
    mlodniki
    drzewa lesne
    grab pospolity
    Carpinus betulus
    oddzialywanie na rosliny
    dab szypulkowy
    Quercus robur
    wzrost roslin
    przyrost wysokosci
    przyrost piersnicy
    artificial regeneration
    carpinus
    interspecific competition
    mixing form
    mixed−stand
    quercus
    silviculture
    Opis:
    Growth and mortality of oak (Quercus robur L.) in young mixed stands with various admixture of hornbeam (Carpinus betulus L.) in the period of 9−13 years after planting were examined. The trial stand is located in central Poland (51.827023° N, 19.922315° E). It was established in 2004 on a moderately fertile site. Four experimental variants with different participation of oak (O) and hornbeam (H) were established: W1 – an oak monoculture (control variant, 100% O), W2 – a mixed stand consisting of two rows of oak and one row of hornbeam (67% O, 33% H), W3 – a mixed stand consisting of one row of oak and one row of hornbeam (50% O, 50% H), W4 – a mixed stand characterized by a single tree mixture, with three oaks and one hornbeam alternately occurring in each row (75% O, 25% H). During the first two years of the study period the height increments of oak trees were significantly larger in the study variants with hornbeam (the biggest in W3 variant), while during the next two years, the largest values of height increments occurred in the control variant (W1). Through the second part of the study period, the most pronounced, negative effect of hornbeam on the dbh increment of oak trees took place in the W3 variant. During the first nine years after planting the survival rate of oak trees in the variants with hornbeam were similar (82−94%) as in the control variant (85%). However, during the next four years, three times more oaks died in W3 variant (16,5%) than in other variants (5−7%). In general, the results obtained suggest that in order to create mixed oak stands with hornbeam as a nursery species, the share of hornbeam should not exceed 20−25% of all planted trees. The above value appears to be acceptable from the point of view of the negative competitive effects of hornbeam on oak trees during the initial stages of stand development.
    Źródło:
    Sylwan; 2018, 162, 12; 989-997
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gleby i siedliska drzewostanów nasiennych dębu szypułkowego (Quercus robur) i dębu bezszypułkowego (Q. petraea) w Polsce
    Soils and forest site types of the seed stands of common (Quercus robur) and sessile (Q. petraea) oaks in Poland
    Autorzy:
    Andrzejczyk, T.
    Sewerniak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989647.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    dab bezszypulkowy
    Quercus petraea
    dab szypulkowy
    Quercus robur
    drzewostany nasienne
    siedliska lesne
    gleby lesne
    bonitacja drzewostanow
    quercus
    seed stands
    forest site
    soil
    silviculture
    Opis:
    The aim of the study was to investigate the structure of forest site types and of soil types of oak seed stands in Poland. The study was comparatively conducted with reference to sessile (Quercus petraea) and common (Q. robur) oaks. As in Poland the seed stands are established only in stands characterized by favourable both growth parameters and timber quality, it was suspected that the results of the study would enable to indicate optimal sites and soil units for oak breeding in Poland. The study was conducted on the basis of data obtained from the SEMEN database (www.bnl.gov.pl) which were broadened by descriptions of the investigated seed stands found in the Forest Data Bank (www.bdl.lasy.gov.pl). For both oak species, the research was conducted with reference to the two types of seed stands: permanent (WDN) and temporary (GDN). In total, 531 stands of Quercus petraea and 2043 of Q. robur located across whole Poland were investigated in the study. It was found that optimal soils as well as forest site types overlap for both investigated oak species only for fresh broadleaved forest (Lśw). For other forest type sites distinct differences for the oak species were found. The optimum for common oak were expanded towards the wet sites (moist broadleaved forest – Lw, and riparian forest – Lł), while for sessile oak towards semi−fertile mixed broadleaved forest (LMśw). It is interesting that seed stands of both oak species overgrow not only fine−textured soils, but significant share of them (ca. 50% area of Q. petraea and 15% of Q. robur seed stands) occurs on sandy soils (Brunic Arenosols mainly). It proves that Brunic Arenosols constitute forest sites enabling production of broadleaved forests characterized by favourable growth parameters and high timber quality. However, it is possible unless the soil have been podzolized by conifers due to podzolized Brunic Arenosols were rarely represented in the oak seed stands and, if so, the stands were characterized by relatively low site index. It was also stated that on podzolized Brunic Arenosols of fresh mixed coniferous forest (BMśw) admixture of oak should enable reducing negatively impact of conifers on a soil.
    Źródło:
    Sylwan; 2016, 160, 08; 674-683
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Odnowienie naturalne drzew w Puszczy Białowieskiej
    Natural regeneration of trees in the Bialowieza Forest
    Autorzy:
    Brzeziecki, B.
    Andrzejczyk, T.
    Żybura, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/985949.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    odnowienia naturalne
    drzewa lesne
    topola osika
    Populus tremula
    brzoza brodawkowata
    Betula pendula
    brzoza omszona
    Betula pubescens
    olsza czarna
    Alnus glutinosa
    sosna zwyczajna
    Pinus sylvestris
    dab szypulkowy
    Quercus robur
    jesion wyniosly
    Fraxinus excelsior
    klon pospolity
    Acer platanoides
    wiaz gorski
    Ulmus glabra
    swierk pospolity
    Picea abies
    lipa drobnolistna
    Tilia cordata
    grab pospolity
    proces dorastania
    ekosystemy lesne
    dynamika lasu
    active approach
    deer browsing
    long−term study
    multifunctional forest management
    natural recruitment
    nature conservation
    silvicultural treatment
    strict protection
    tree competition
    tree diversity
    Opis:
    Since several years already, a massive infestation of bark beetle has taken place in the Białowieża Forest, decimating a local Norway spruce population. In consequence, many open areas appeared, practically deprived of trees and other forest vegetation. The existence of such areas has a very negative impact on multiple values of the Białowieża Forest: natural, social, economical and landscape−aesthetic values. The local forest administration prepared a strategy aimed at active restoration of diverse woodland communities typical for the Białowieża Forest in all places, where bark beetle infestation wiped up the spruce stands. Those plans were criticized by representatives of the environmental organizations who blamed the foresters for transforming the Białowieża Forest into ‘plantation’ and claiming that such measures are inconsistent with the existing forest management and protection plan. The postulate of environmentalists is that the recovery of woodland communities should proceed completely naturally. Taking into account the above mentioned controversies, in this paper we examine the issue of natural regeneration in the Białowieża Forest in detail. In particular, we try to determine to which extent this method of forest reproduction enables re−establishment of compositionally diverse woodland communities, distinguished by a high level of biological diversity and able to provide a wide range of commodities and benefits important for today’s society. Based on an extensive literature review we show that a combination of different (abiotic and biotic) factors, influencing establishment and subsequent growth of seedlings and saplings in the Białowieża Forest has long been strongly unfavorable for many tree species. In this regard, one should particularly emphasize the negative role of large herbivores, especially red deer, which is present in the Białowieża Forest since the end of 19th century, when it became a private hunting ground for Russian tzars. The devastating effect of deer browsing on natural regeneration is a well−documented phenomenon and widely recognized problem in the forestry practice. The fencing of young forest generation against game pressure is an indispensable measure, needed to secure the continuous existence of several tree species (first of all those palatable and vulnerable to browsing). Very strong arguments for an active approach to the described problem delivers also a long−term study on natural forest dynamics conducted since 1936. It shows that under conditions of strict protection the regeneration capacity of the Białowieża tree species is very variable. These differences lead to the compositional simplification and impoverishment of many tree stands, with numerous negative consequences for local biodiversity. We underline that an active management strategy is a basic prerequisite for maintaining a diverse character of the Białowieża stands and their ability to provide all important ecosystem services on a sustainable basis. Such a strategy should include, beside of the phase of establishment, also the subsequent developmental stages of new forest generations. The general goal of such a strategy should be to secure a possibly high diversity of tree composition and to enable the development of tree species representing a full range of life−history strategies and playing different successional roles: from typical pioneer species, through intermediate, to climax species.
    Źródło:
    Sylwan; 2018, 162, 11; 883-896
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Formy znieksztalcen pedu u debu szypulkowego [Quercus robur L.] w fazie mlodnika
    Autorzy:
    Andrzejczyk, T.
    Mirek, J.
    Zajaczkowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/813447.pdf
    Data publikacji:
    1999
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany debowe
    hodowla lasu
    znieksztalcenia roslin
    mlodniki debowe
    Quercus robur
    lesnictwo
    dab szypulkowy
    drzewa lesne
    Źródło:
    Sylwan; 1999, 143, 04; 21-34
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wysokość dwunastoletnich odnowień dębu szypułkowego na różnej wielkości gniazdach o wydłużonym kształcie w kierunku wschód-zachód
    Height of the 12-year-old regeneration of pedunculate oak in the cut patches of different size with an elliptical shape in the east-west direction
    Autorzy:
    Drozdowski, S.
    Andrzejczyk, T.
    Buraczyk, W.
    Turkot, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/991740.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    rebnie gniazdowe
    odnowienia lasu
    odnowienia na gniazdach
    gradient wschod-zachod
    wydluzanie osi gniazda
    drzewa lesne
    dab szypulkowy
    wzrost roslin
    wysokosc drzew
    patch cutting
    pedunculate oak
    gap size
    spatial height variability
    Opis:
    The study presents spatial variation in the height of a 12−year−old oak regeneration in the north−south and east−west gradients in the cut patches with a similar width (28 m) but differing in length (33−70 m), with the longer side facing east−west direction. A comparison of the cut patches with an area of 7, 11 and 16 ares showed that oaks in large patches were on average 25% higher than in small patches and the diversity of trees in the WE and NS gradients depended on the size of the patch. In each case, the lowest trees occurred in the zone of strong root competition of shelterwood, whose influence decreased with the enlargement of the cut patches. The results of the study show that the establishment of large (15−20 ares) elliptical or rectangular patches whose area can be expanded by lengthening the axis in the east−west direction is the recommended method of pedunculate oak renewal in forest practice.
    Źródło:
    Sylwan; 2013, 157, 06; 434-441
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wysokość siedmioletnich odnowień dębowych na gniazdach w różnych warunkach siedliskowych
    The height of seven-year-old oaks growing in gaps in different forest habitats
    Autorzy:
    Bolibok, L.
    Andrzejczyk, T.
    Drozdowski, S.
    Szeligowski, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/45960.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    hodowla lasu
    rebnie gniazdowe
    odnowienia lasu
    drzewa lesne
    dab szypulkowy
    Quercus robur
    wysokosc drzew
    warunki siedliskowe
    wielkosc gniazd
    zyznosc siedliska
    Źródło:
    Leśne Prace Badawcze; 2011, 72, 2
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ warunków siedliskowych na zróżnicowanie wysokości dębu na gniazdach
    Effect of habitat conditions on the variation of oak height in the gaps
    Autorzy:
    Andrzejczyk, T.
    Bolibok, L.
    Buraczyk, W.
    Drozdowski, S.
    Szeligowski, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/991003.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    rebnie zupelne gniazdowe
    hodowla lasu
    odnowienia lasu
    odnowienia na gniazdach
    drzewa lesne
    dab szypulkowy
    Quercus robur
    wzrost roslin
    warunki siedliska
    siedliska lesne
    bor mieszany swiezy
    las mieszany swiezy
    las swiezy
    pedunculate oak
    clear−cut gap
    plantations
    forest regeneration
    patch cutting system
    Opis:
    The paper presents the study on the height of 10−12−year−old pedunculate oak regeneration in clear−cut gaps in three fertility variants: mezotrophic of poorer productivity (fresh mixed coniferous forest – BMśw), mezotrophic of higher productivity (fresh mixed deciduous forest – LMśw) and eutrophic (fresh deciduous forest – Lśw). BMśw and LMśw were represented by two locations: Gostynin (G) and Parczew (P), while Lśw – by one: Czarna Białostocka (CzB). We analysed the variation of oak height in the patches along the north−south (N−S) and east−west (E−W) gap axes. In each location 3−5 gaps were selected and measurements taken on three transects along the N−S axis located in the western (W), central (C) and eastern (E) part. Significant differences in oak height were found along the N−S axis. Oaks in the BMśw and LMśw habitats in the south−central part, and those in the Lśw habitat in the centre−northern part of the patch were the highest. The height growth of oaks on sandy soils (BMśw, LMśw) was found to be limited by moisture deficit, while on loamy soils (Lśw) – by light deficiency. The differences in oak height along the E−W axis were smaller and less apparent, indicating a tendency towards the reduction of their height growth in the central part of the gap.
    Źródło:
    Sylwan; 2014, 158, 06; 404-413
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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