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    Wyświetlanie 1-8 z 8
    Tytuł:
    Influence of initial light intensity and deer browsing on Taxus baccata saplings: a six years field study
    Autorzy:
    Iszkulo, G.
    Nowak-Dyjeta, K.
    Sekiewicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/957073.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    light intensity
    deer
    browsing
    Taxus baccata
    sapling
    yew
    European yew
    rare species
    endangered plant
    Opis:
    European yew (Taxus baccata L.) is a rare species, but is the focus of great interest because of the species recovery attempts and its use in medicine. The aim of this study was to determine the optimum conditions for the development of the young generation of this species. Four-year old yew seedlings were grown under artificial light reduction: 2, 8, and 30%, as well as in full light. The seedlings were then planted in natural conditions in fenced and unfenced areas. The results of six years field studies indicated that the greatest impact on survival was shown by the light conditions from the period before planting under the canopy of trees. Seedlings from the 2 and 8% of light showed the greatest mortality. The reason was the sudden change in light conditions, because at the time of planting (early spring), there was no reduction of light under deciduous trees. Almost all of the unfenced yew seedlings were grazed by deer, but yew survival in the unfenced group was surprisingly high despite the permanent grazing. This was explained by the high resistance of yew to cutting and the protection of seedlings by a dense layer of Rubus. The results indicated that yew trees require protection against animals for normal development, even if animals have not previously had contact with Taxus and that yew seedlings are very sensitive to sudden changes in light. Both conclusions can be applied in the development of natural and artificial regeneration of European yew and other endangered plants.
    Źródło:
    Dendrobiology; 2014, 71; 93-99
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sezonowa dynamika zgryzania i jego wpływ na wzrost sadzonek gatunków liściastych w pierwszym roku po założeniu uprawy
    Seasonal dynamics of deer browsing and its impact on deciduous saplings during first year after planting
    Autorzy:
    Nasiadka, P.
    Lipski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1018509.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zgryzanie
    lowiectwo
    wzrost roslin
    drzewa lisciaste
    sadzonki
    dynamika zgryzania
    lesnictwo
    szkody lowieckie
    uprawy lesne
    browsing
    damage by game animals
    seasonal dynamics of browsing
    broadleaved species
    damage survey
    Opis:
    The lack of knowledge about seasonal dynamics and impact of deer browsing on deciduous saplings in plantations in managed forests in Poland raises difficulties in assessing the impact of cervids on forests and in selecting effective methods for protecting plantations against damage caused by deer. The studies covered 1129 saplings of sycamore, oak, beech, linden and birch species that were planted on the unfenced sites accessible for animals and fenced sites left for comparison.
    Źródło:
    Sylwan; 2006, 150, 05; 3-15
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Elektroniczne teksty: recykling kultury i zbiorowej tożsamości
    Digital Texts: Culture and Collective Identity Recycling
    Autorzy:
    Ślósarz, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/521286.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
    Tematy:
    Collective identity
    digital texts
    context
    browsing
    resources
    social media
    conversational archetypes
    Opis:
    Maleje czytelnictwo książek, prasy, rola doświadczenia. Współczesną zbiorową tożsamość odzwierciedlają teksty elektroniczne. Przejawiają się w nich różne tożsamości: cywilizacyjna, kulturowa, religijna, narodowa, rodzinna, płciowa, zawodowa, artysty i sztuki. Teksty kultury są jednak wyrwane z macierzystych kontekstów. Ulegają recyklingowi. Pośpieszne przeglądanie cyfrowych zasobów ogranicza ich przeżywanie, a media sprowadzają interakcje użytkowników do konwersacyjnych archetypów. Ludzie nie potrafią twórczo uczestniczyć w słabo rozumianych interakcjach. Zbiorowe tożsamości w Sieci strukturalizuje technologia.
    The role of readership and experience is declining. Collective identity is reflected by electronic texts. They show different identities: civilizational, cultural, religious, national, family, gender, professional, artistic. Cultural texts, however, are removed from their native contexts and recycled. Fast browsing of digital resources limits emotional experience. Social media limit the interactions of users to only six conversational archetypes. People are unable to function creatively in the poorly understood interactions. The collective identity on the Internet is molded by digital texts.
    Źródło:
    Annales Universitatis Paedagogicae Cracoviensis. Studia de Cultura; 2015, 7, 1 "Re: Reprezentacja – Rekonstrukcja – Reinterpretacja"; 53-69
    2083-7275
    Pojawia się w:
    Annales Universitatis Paedagogicae Cracoviensis. Studia de Cultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przydatność Emolu Plus BTX LA do ochrony sosny zwyczajnej przed zimowym zgryzaniem przez jeleniowate
    The usefulness of repellent Emol Plus BTX LA in Scots pine saplings protection against winter browsing by deer
    Autorzy:
    Nasiadka, P.
    Pudełko, M.
    Umiński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023356.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    ochrona roslin
    Emol Plus BTX LA
    skutecznosc
    ochrona lasu
    sosna zwyczajna
    lesnictwo
    repelenty
    Pinus sylvestris
    drzewa lesne
    emol
    emol plus btx la
    scots pine
    pinus sylvestris
    browsing
    forest protection against wildlife
    damage by widlife.
    Opis:
    The paper provides study results on the efficacy of Emol Plus BTX LA repellent used for the protection of Scots pine saplings against browsing by deer. Emol Plus BTX LA contains coarse−grained filler – calcium carbonate and denatonium benzoate (BTX) as active substance. The efficacy of both Emol Plus BTX LA and standard repellents were found to be high.
    Źródło:
    Sylwan; 2004, 148, 10; 59-66
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The spatial pattern and microsites requirements of Abies alba natural regeneration in the Karkonosze Mountains
    Autorzy:
    Szymura, T H
    Dunajski, A.
    Aman, I.
    Makowski, M.
    Szymura, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41501.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Karkonosze Mountains
    Norway spruce
    Picea abies
    silver fir
    Abies alba
    microsite requirement
    natural regeneration
    age structure
    browsing
    safe site
    seedling dispersal
    spatial distribution
    Opis:
    Progeny of four adult silver firs, which were an admixture in Norway spruce (Picea abies) stand was, analyzed. The study was done in lower mountain zone of the Karkonosze (Giant Mts.) National Park (SW Poland). The seedlings occurred in two clumps related to the position of adult trees, whereas spatial pattern of the seedlings inside each clump was random. The seedlings were spaced mainly in distances 5–25 from the nearest adult tree. The maximal distance was up to 50 m. Most seedlings were established in accordance with main wind directions. Also, in these directions seedlings were more distant from adult trees than in other directions. The seedlings grew in better light environment (12% of PPFD) than average (9,6% PPFD). This effect was statistically significant. The height increment of the seedlings was low and was not correlated with light conditions. Similarly, there was not any correlation between the apical dominance ratio and light. The lack of this correspondence we attributed to browsing. The silver fir seedlings were significantly underrepresented in patches of Vaccinium myrtillus, on raw needles, under crown of adult trees and in concave micro-relief form. The underrepresentation in the places covered by canopy and in patches of bilberry we related to the indirect effect of continuous browsing, which leads to higher seedlings mortality in more shaded places and sites of stronger competition between forest floor vegetation and silver fir seedlings.
    Źródło:
    Dendrobiology; 2007, 58; 51-57
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monitoring uszkodzeń spowodowanych przez jeleniowate w młodych drzewostanach i odnowieniach Gorczańskiego Parku Narodowego
    Monitoring of the deer-related damage to the young stands and regeneration in the Gorczanski National Park
    Autorzy:
    Miścicki, S.
    Żurek, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/989815.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    Gorczanski Park Narodowy
    drzewostany mlode
    odnowienia lasu
    odnowienia podokapowe
    szkody w lesie
    uszkodzenia drzew
    szkody lowieckie
    jeleniowate
    monitoring
    bark−stripping
    browsing
    district
    impact
    protection
    stem
    terminal shoot
    Opis:
    Assessment of the impact of large herbivores on young generation of trees in the protected forests can support decisions about whether to intervene in natural ecosystems (e.g. individual tree protection, animal culling) or not. A study on the condition of forest regeneration, including the assessment of the damage caused by deer, was performed in the Gorczański National Park (GNP; southern Poland) in 1993 for the first time. The inventory was repeated in 1996 and 2011 on the same 415 concentric permanent sample plots located in the centers of 400×400 m grid. Trees with diameter <16 cm or height 1.3 m were counted. The impact of deer was assessed using: (i) the share of browsed terminal shoots in h=0.3−1.3 m class trees and the tolerable (based on a reference) share of browsed trees of such height with the most damaged tree species taken into account and (ii) the proportion between the density of recently (the previous year) debarked, frayed or broken trees and the tolerable (based on a reference) density of such trees. The main interpretation unit was composed of all stands in the GNP, while stands in particular protection districts formed lower level. Over the time, the density of trees in the regeneration layer increased (fig. 1). The density of recently debarked (frayed or broken) trees decreased considerably (fig. 2), even if a large number of trees (especially silver fir) with old wounds existed (fig. 4). The density of the browsed trees remained more or less unchanged. This type of damage most frequently affected silver fir, sycamore maple and rowan (fig. 3). Differences between the level of forest regeneration damage in different protection districts of the GNP remained similar (fig. 5). The deer impact assessed on the basis of the density of debarked trees significantly decreased to be classified as tolerable in 2011. However, the impact assessed with the share of trees with the browsed terminal shoot did not reach the tolerable level in one protection district. Results show that measures undertaken to protect forest regeneration produce a partially positive effect. The browsing level was still too high. Differences in the deer impact on the forest regeneration between protection districts can be considered as permanent ones.
    Źródło:
    Sylwan; 2015, 159, 06; 505-515
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wzrost i przeżywalność jodły pospolitej (Abies alba Mill.) w zależności od gatunku osłaniającego na terenie Karkonoskiego Parku Narodowego
    Influence of stand canopy on growth and survival of silver fir (Abies alba Mill.) in the Karkonoski National Park
    Autorzy:
    Dobrowolska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/991860.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    odnowienia podokapowe
    drzewostany przebudowywane
    sklad gatunkowy
    Karkonoski Park Narodowy
    drzewa lesne
    jodla pospolita
    Abies alba
    wzrost roslin
    przezywalnosc
    conversion
    artificial regeneration
    browsing
    height increment
    survival
    Opis:
    Article presents the assessment of growth and survival of silver fir seedlings planted under stand canopies constituted by common beech, European larch, Norway spruce, Scots pine and silver birch. Measurements were carried out in Karkonoski National Park (SW Poland) in 2001 and 2011. The tallest trees were growing under the canopy of larch both in 2001 and 2011.
    Źródło:
    Sylwan; 2013, 157, 03; 197-203
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preferencje żerowe saren w odniesieniu do różnych odmian jabłoni z punktu widzenia wykorzystania tego gatunku w urządzaniu łowisk leśnych
    Preferences of roe deer to different varieties of apple from the point of view of managing the forest hunting grounds
    Autorzy:
    Nasiadka, P.
    Bors, K.
    Wajdzik, M.
    Skubis, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989505.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lowiectwo
    zwierzeta lowne
    sarny
    preferencje pokarmowe
    preferencje zerowe
    szkody lowieckie
    lowiska lesne
    baza pokarmowa
    jablonie
    odmiany roslin
    dobor odmian
    urzadzanie lowisk
    capreolus capreolus
    malus domestica
    damage
    orchard
    browsing
    Opis:
    The results of the inventory of damage caused by roe deer in a 2−year−old apple orchard in central Poland permitted to evaluate the browsing intensity as well as the relationship between biometric characteristics of trees and browsing intensity. The research showed that damage caused by the roe deer was mainly caused by shoot browsing, then rubbing the velvet antlers against trees and bark stripping. In one winter, roe deer damaged 35% of the orchard by browsing even up to 100% shoots on an individual tree. Significant differences were found between the intensity of browsing the different varieties of apple trees. The largest damage was noted in the case of the Ligol variety (35% of shoots on average), while the smallest – for the Idared and Golden Delicious varieties (approximately 5% of shoots on average). Branching and tree height were not found to affect the level of damage. When establishing forest hunting grounds, the Ligol variety, eagerly browsed by roe deer, should be planted on browsing plots, while Idared and Golden Delicious varieties – in orchards designed for fruiting.
    Źródło:
    Sylwan; 2016, 160, 10; 837-845
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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