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    Wyświetlanie 1-6 z 6
    Tytuł:
    Występowanie jeżyn (Rubus L.) w młodych uprawach leśnych na Płaskowyżu Kolbuszowskim
    The occurrence of brambles (Rubus L.) in young forest plantations on the Kolbuszowa Plateau
    Autorzy:
    Wolanin, M.M.
    Wolanin, M.N.
    Oklejewicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1292603.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    Plaskowyz Kolbuszowski
    uprawy lesne
    krzewy
    jezyna
    Rubus
    jezyna gruczolowata
    Rubus hirtus
    jezyna sloneczna
    Rubus apricus
    jezyna Bellardiego
    Rubus pedemontanus
    jezyna faldowana
    Rubus plicatus
    jezyna ostrega
    Rubus gracilis
    jezyna wyniosla
    Rubus ambrosius
    jezyna gliwicka
    Rubus glivicensis
    jezyna bukietowa
    Rubus grabowskii
    malina
    Rubus idaeus
    jezyna wzniesiona
    Rubus nessensis
    jezyna orzesiona
    Rubus camptostachys
    wystepowanie
    genus Rubus
    forests
    south-eastern Poland
    Opis:
    In the Kolbuszowa Plateau forest areas, aggregations of brambles were observed most often in young forest plantations and forest clear cuts. In the 20 plantations that we examined, 11 bramble species were found. The most common bramble species in young forest plantations were Rubus plicatus, R. nessensis, R. hirtus, R. idaeus and more rarely R. gracilis, R. ambrosius and R. apricus. The largest bramble aggregations occurred in plantations located in mixed pine-oak forests, subcontinental lime-oakhornbeam forests and drained black alder forests. In young forest plantations the Rubus species were accompanied by species characteristic for the Vaccinio-Piceetea, Querco-Fagetea, Epilobietea angustifolii, Molinio-Arrhenatheretea and Nardo-Callunetea associations. There are three groups of bramble species which occur in young forest plantations: I – species with thin, prostrate and rooting stems (R. hirtus, R. apricus, R. pedemontanus), the negative impact of which on tree seedlings could have been very significant if the bramble specimens or diaspores had been present at the moment of tree planting; II – species with strong, poorly branched and arched stems (R. plicatus, R. gracilis, R. ambrosius, R. glivicensis), which negative influence on tree seedlings depends on the capability of the species to produce a big, dense bush in a short period of time thereby increasing shade; III – species with erect and relatively sparsely growing stems (R. idaeus), which are not a threat for the young forest plantations. Species with intermediate features (e.g. R. nessensis) may have a negative impact on young plantations generating a large, dense aggregation, however in most cases their populations only grow sparsely and do not hinder the growth of tree seedlings.
    Źródło:
    Leśne Prace Badawcze; 2017, 78, 2
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ przerzedzenia okapu górnego na rozwój podrostów sosny zwyczajnej (Pinus sylvestris L.) w pogradacyjnych drzewostanach w Lasach Pilskich
    Response of Scots pine [Pinus sylvestris L.] young-growth stands to an overstorey canopy in the postoutbreak stands in Pila Forests
    Autorzy:
    Andrzejczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1016341.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    stopien przerzedzenia okapu gornego
    rozwoj roslin
    odnowienia lasu
    hodowla lasu
    podrost
    sosna zwyczajna
    lesnictwo
    odnowienia naturalne
    odnowienia podokapowe
    Pinus sylvestris
    drzewa lesne
    scots pine
    pinus sylvestris l.
    natural regeneration
    undercanopy young−growth stands
    postoutbreak
    stands
    poland
    Opis:
    In the paper the density, height, diameter, slenderness and vitality of the 17 year−old pine young−growth stands depending on the basal area of the shelterwood (four thinning variants: G1−G4). The studies were carried out in eleven 70−90 year−old pine stands heavily damaged in the 80s of the past century by the nun moth (Lymantria monacha L.). With the development of the overstorey the growth, the vitality and the stability of young stands declined. In addition, a decrease in the survival of the young−growth stands under the dense canopy (variant G4) was recorded. A long−term maintenance of young stands under the shelter of the canopy in the areas of low annual precipitation (below 600 mm) requires the reduction of the dbh basal area to the level of at least 15 m3/ha before attaining the age of 15 years.
    Źródło:
    Sylwan; 2007, 151, 01; 20-29
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena liczebności pędraków Melolonthinae w pułapkach trocinowych w uprawach sosny zwyczajnej (Pinus sylvestris L.)
    Assessing the number of Melolonthinae larvae in the sawdust traps in young Scots pine (Pinus sylvestris L.) plantations
    Autorzy:
    Szmidla, H.
    Tkaczyk, M.
    Małecka, M.
    Sierota, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/986677.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    uprawy lesne
    sosna zwyczajna
    Pinus sylvestris
    pulapki trocinowe
    szkodniki roslin
    Melolonthinae
    pedraki
    liczebnosc
    melolontha spp.
    young forest plantations
    root−pest monitoring
    Opis:
    Root−feeding insects are an increasingly studied group of herbivores, whose impact on plant productivity and are some of the most damaging forest pests in Europe. Due to the mass feeding on the roots of seedlings and older trees in young plantation and stands, Melolonthinae larvae are classified as pests, which are the most dangerous on the land dedicated to afforestation. The research was located in the Wyszków Forest District (52°43'15' N; 21°39'03' E) on the mixed coniferous and mixed deciduous forest habitats. This study evaluated sawdust traps as the method for assessing abundance of Melolonthinae larvae in Scots pine plantations established artificially from open nursery, container production, and from natural regeneration. In spring 2015 i) ‘small sawdust pits’ in rows between seedlings, and ii) pits without soil in adjacent inter−rows as control were prepared. In spring and autumn 2016, and in spring 2017 sawdust and soil from both variants of pits were sieved and Melolonthinae larvae were counted and compared. The obtained results were analyzed in two ways. The first analysis compared the occurrence of grubs in small pits with or without sawdust, while the other one analysed influence of the time of making small pits, independently for the variant with or without sawdust. The final stage was to compare the number of Melolonthinae larvae in small pits between the origin of the seedlings. We found a greater number of grubs in spring assessment than in autumn. Both kinds of small pits showed higher number of Melolonthinae larvae when compared to traditional method of ‘great pits’. The number of Melolonthinae larvae was significantly higher on the plots with container seedlings than the others. The conceptual assumptions of this alternative and environmentally safe method of ‘sawdust traps’ seems to be optimistic.
    Źródło:
    Sylwan; 2018, 162, 07; 590-597
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Występowanie i szkodliwość choinka szarego (Brachyderes incanus L.; Coleoptera, Curculionidae) dla sosny zwyczajnej (Pinus sylvestris L.)
    Abudance and harmfulness of Brachyderes incanus L. [Coleoptera, Curculionidae] to scots pine Pinus sylvestris L.
    Autorzy:
    Malinowski, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1018692.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wystepowanie
    szkodniki roslin
    choinek szary
    Brachyderes incanus
    sosna zwyczajna
    lesnictwo
    szkodliwosc gospodarcza
    Pinus sylvestris
    drzewa lesne
    brachyderes incanus outbreak
    harmfulness
    young scots pine plantations
    post−fire areas
    Opis:
    The aim of this work was to evaluate the occurrence and harmfulness of Brachyderes incanus to young Scots pine (Pinus sylvestris L.) plantations on forest areas burned during the forest fire in 1992. The development of B. incanus outbreak had place 4 to 5 years after fire and was connected with the diminishing of macronutrients content in soil. The population of B. incanus is characterised by fast increasing or decreasing the number of individuals. During two years (two generations), the number of beetles increased from 1−2 individuals/tree (at one observation) to 50−80 individuals/tree. Also during two years, the number of beetles diminished to very low level (lower than one individual/tree at one observation). The outbreak of B. incanus in the mentioned above forest areas had place in 1999−2001.
    Źródło:
    Sylwan; 2006, 150, 09; 46-58
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Działanie odpadów przemysłowych na glebę i na uprawę sosnową (Pinus silvestris L.)
    Vozdejjstbie promyshlennykh otkhodov na pochvu i sosnu (Pinus sylvestris L.)
    Impact of industrial wastes upon soil and young plantation of pine (Pinus silvestris L.)
    Autorzy:
    Koter, Mieczysław
    Czapla, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2801665.pdf
    Data publikacji:
    1979
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    uprawy lesne
    gleby lesne
    odpady przemyslowe
    oddzialywanie na glebe
    uprawy sosnowe
    udatnosc uprawy
    Źródło:
    Sylwan; 1979, 123, 03; 57-62
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Skala zniekształceń systemów korzeniowych sosny zwyczajnej Pinus sylvestris (L.) w uprawach leśnych
    Range of deformation of root system in young Scots pine plantations
    Autorzy:
    Szewczyk, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/990850.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    uprawy lesne
    drzewa lesne
    sosna zwyczajna
    Pinus sylvestris
    system korzeniowy
    znieksztalcenia korzeni
    przyczyny znieksztalcen
    deformation of root system
    root pathogens
    scots pine plantation
    Opis:
    Deformation of root system as a result of root crookedness, bending or other injuries during plantation represent the main reason predestinating trees to parasitic infection. The objective of the presented work was the determination of the intensified occurrence of root deformation during tree plantation and the appearance of root pathogens. Observations were carried out on 5 sites localized in young Scots pine stands (up to 10 years old), from which 1522 samples of infected roots were collected. The obtained results confirmed that majority of trees showed deformed roots (95% represented roots with deformations). The greatest number of roots was characterized by symptoms accepted in the classification as second degree of deformation, i.e. without a visible main root and with numerous lateral roots.
    Źródło:
    Sylwan; 2014, 158, 10; 754-760
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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