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    Wyświetlanie 1-12 z 12
    Tytuł:
    Model wzrostu wysokości odnowień podokapowych buka
    Height growth model for shelterwood regeneration of beech
    Autorzy:
    Dudzińska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/994750.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    odnowienia lasu
    odnowienia podokapowe
    buk
    Fagus
    wzrost roslin
    modele wzrostu
    height growth
    beech
    undergrowth
    empirical equations
    Opis:
    The studies were based on the empirical material collected in 23 stands located in the territory of the Miłomłyn, Stare Jabłonki and Kudypy forest districts. Height growth model for beech was developed on the basis of measurements of 115 trees growing in the regeneration layer in pine stands. The developed function can be useful, inter alia, for building a 'network of site indices' for shelterwood regeneration. The studies on the height growth rate allow estimating the age at which undergrowth reaches the lower layer of a stand.
    Źródło:
    Sylwan; 2012, 156, 12; 895-901
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tempo wzrostu wysokości dębu szypułkowego (Quercus robur L.) w dolnej warstwie drzewostanu sosnowego
    Height growth rate of pedunculate oak (Quercus robur L.) in lower layer of Scots pine stand
    Autorzy:
    Paluch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/994087.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    odnowienia podokapowe
    dab szypulkowy
    Quercus robur
    wzrost roslin
    tempo wzrostu
    modele wzrostu
    pedunculate oak
    height growth
    undergrowth
    Opis:
    This study was carried out in north−eastern Poland in 20 Scots pine stands with well−developed lower layer of pedunculate oak. In each stand, 5 highest oak trees were selected. Basing on the stem analysis, a growth model for oak undergrowth in Scots pine stands was elaborated. It can be used for determination the height growth rate in relation to the age and height of oak. Obtained model was compared to the already existing one for oaks growing without canopy [Bruchwald at el. 1996]. Growth rate of undergrowth oaks was significantly delayed in the initial period by 20−30 years.
    Źródło:
    Sylwan; 2013, 157, 12; 909-916
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fazy wzrostu wysokości jodły pospolitej z Gór Świętokrzyskich
    Height growth phases of silver fir from the Swietokrzyskie Mountains
    Autorzy:
    Bronisz, K.
    Bijak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/972764.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    jodla pospolita
    Abies alba
    wzrost roslin
    fazy wzrostu
    przyrost wysokosci
    Gory Swietokrzyskie
    height growth
    phases
    silver fir
    Świętokrzyskie Mountains
    Opis:
    The paper presents an analysis of height growth phases of silver fir from the Świętokrzyskie Mountains. Basing on bilateral relations between average and current height increments, age of their culmination and duration of main (juvenile and sprouting) phases was determined. Empirical data consisted of 61 sample trees that were subjected to the stem analysis. Juvenile stage of fir height growth lasts 30 years, while sprouting phase is quite long as it lasts 45 years on average. Mean age when analyzed trees reach the culmination of current and average height increment equals 50 and 70 years respectively. Course of height growth of fir resembles this of beech, which can be explained by shade tolerance of these species.
    Źródło:
    Sylwan; 2012, 156, 07; 511-517
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena zmienności cech adaptacyjnych pięcioletniej jodły pospolitej pochodzeń objętych ochroną na powierzchniach zachowawczych Karpackiego Banku Genów
    Evaluation of the variability of adaptive traits in 5-year-old silver fir progenies from provenances protected on conservation plots in the Carpathian Gene Bank
    Autorzy:
    Kempf, M.
    Sabor, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009677.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    jodla pospolita
    wzrost roslin
    przezywalnosc
    zmiennosc cech
    Karpacki Bank Genow
    Abies alba
    cechy adaptacyjne
    lesnictwo
    drzewa lesne
    carpathian gene bank
    progeny testing
    silver fir
    adaptive traits
    survival
    height growth
    Opis:
    The paper presents the assessment of the adaptive traits (survival rate and height growth) of 5−year−old silver fir one year after planting on conservation plots of the Carpathian Gene Bank (KGB) located in the territory of Wisła, Andrychów, Sucha, Nowy Targ, Krościenko, Nawojowa, Rymanów oraz Bircza forest districts. The conducted studies showed a high (over 90%) survival rate of the tested fir provenances. The growth of the West Carpathian (Beskid Śląski, Beskid Żywiecki, and Beskid Mały) fir provenances was high on the majority of the KGB conservation plots, while the height growth of fir stands from the central part of the Carpathian Mountains (Beskid Wyspowy, Beskid Sądecki, and Beskid Niski) was on an average level. The East Carpathian (Pogórze, Słonne and Bieszczady Mountains) provenances were significantly diversified in terms of the height and did not form a homogenous group.
    Źródło:
    Sylwan; 2009, 153, 10; 651-661
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model wzrostu wysokości buków rosnących w drugim piętrze drzewostanów bukowo-sosnowych
    Height growth model for beech growing in the lower storey of beech-pine stands
    Autorzy:
    Dudzińska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1007387.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany bukowo-sosnowe
    drzewostany dwupietrowe
    drzewa lesne
    buk zwyczajny
    Fagus sylvatica
    wzrost roslin
    modele wzrostu
    height growth
    beech
    two−storied stand
    fagus sylvatica−pinus sylvestris l. stands
    underplanting
    empirical equations
    Opis:
    The study was based on the empirical material collected from 12 beech−pine stands located in the territory of the Miłomłyn (6 plots) and Stare Jabłonki (6 plots) forest districts. On the basis of the collected material, a height growth model was developed for the beech growing in the lower storey of pine stands. The developed functions can be used, inter alia, for the characterisation of top−height growth with stand age, development of a network of site indices, as well as in the studies on the height growth rate.
    Źródło:
    Sylwan; 2012, 156, 05; 343-348
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fazy wzrostu wysokości modrzewia europejskiego (Larix decidua Mill.)
    Phases of height growth for the European larch [Larix decidua Mill.]
    Autorzy:
    Dmyterko, E.
    Bruchwald, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009432.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    dendrometria
    drzewa lesne
    modrzew europejski
    Larix decidua
    wzrost roslin
    fazy wzrostu
    przyrost wysokosci
    przyrost biezacy
    przyrost przecietny
    wiek kulminacji przyrostu
    height growth phases
    current increment
    average increment
    larix decidua
    Opis:
    The European larch (Larix decidua Mill.) belongs to the group of trees characterised by fast height growth in the juvenile phase of its development. The paper describes the length and variation of height growth phases and the age at which the current and average height increments culminate. The empirical material comprised 178 cut trees that were analysed for their height growth. The trees were collected from the larch stands located in different regions of Poland.
    Źródło:
    Sylwan; 2010, 154, 12; 803-808
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ osłony bocznej drzewostanu na wzrost dębu bezszypułkowego (Quercus petraea) i grabu pospolitego (Carpinus betulus) w fazie uprawy
    Effect of lateral shelter on a height growth of sessile oak (Quercus petraea) and common hornbeam (Carpinus betulus) in young growth phase
    Autorzy:
    Andrzejczyk, T.
    Dzwonkowski, M.
    Pawłowski, M.
    Działak, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/990860.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    uprawy lesne
    dab bezszypulkowy
    Quercus petraea
    grab pospolity
    Carpinus betulus
    wzrost roslin
    przyrost wysokosci
    oslona boczna
    sciana lasu
    oak silviculture
    hornbeam
    height growth
    mixed stands
    mixture form
    Opis:
    We investigated annual height increment of sessile oak and common hornbeam planted on clear−cut in respect to the distance to the adjacent mature Scots pine stand. The study area was divided into 3 zones (I−III) each of 20 m width. The four analyzed treatments were defined on a basis of a mingling form: W1 – a monoculture of oak (control plot), W2 and W3 – two types of row mixture, W4 – single tree mixture. Two years after planting an annual height increment of both tree species was significantly higher in the zone I (adjacent to the mature pine stand from the SW side) than in two other zones. The same significant differences were also found at the other inventories. Although hornbeam was on average higher than oak, a growth inhibition of oak by hornbeam was not significant. The annual height increment of both species was correlated with the precipitation in June and July.
    Źródło:
    Sylwan; 2014, 158, 10; 723-732
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tempo wzrostu wysokości i pierśnicy jodły pospolitej (Abies alba Mill.) w Beskidzie Niskim
    Height and diameter growth rates of silver fir (Abies alba Mill.) growing in Beskid Niski mountains
    Autorzy:
    Bruchwald, A.
    Dmyterko, E.
    Niemczyk, M.
    Łukaszewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989756.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    jodla pospolita
    Abies alba
    wzrost roslin
    wysokosc drzew
    piersnice drzew
    przyrost piersnicy
    przyrost wysokosci
    tempo wzrostu
    Beskid Niski
    height growth rate
    diameter growth rate
    spatial diversity of canopy layers
    physical age
    abies alba
    Opis:
    Silver fir is one of the main tree species of mountain and foothill forests in Poland that in optimal conditions forms pure stands with multi−layer structure. The study objective is to present differences in height and diameter growth rates of firs growing in upper stand layers and in the undergrowth. The research was conducted in 12 fir stands located in the Beskid Niski Mts. (southern Poland). In each stand height and diameter at breast height (dbh) were measured for 25 fir trees in order to develop a height curve. The first canopy layer included trees that were higher than ⅔ Hmax established from the height curve of the tree with the largest dbh. Height and diameter were measured on eight trees selected from the first canopy layer. An increment core was extracted at breast height in order to estimate the tree age. From the third canopy layer, which included trees higher than 2 m with dbh below 7 cm, five trees were selected. After cutting those trees, the length of the last ten branch whorls was measured. Five−year ring width measurements starting from the bark towards the pith were done at the stem cross−sections obtained at breast height. The number of rings was counted on remaining stumps. Height growth rate was defined as the height at the base age of 100 years (eq. 1). For the first canopy layer, the height growth rate was on average 31.8 m, while for the undergrowth it was 12.1 m. There was also large difference between diameter growth rate of the first stand canopy layer (55.7 cm) and undergrowth (18.3 cm). Both differences were significant at p=0.05. These discrepancies could result from low amount of light reaching the forest floor. The correlation between height and diameter growth rates and undergrowth tree age was negative in both cases. Long periods of shading result in smaller number of firs reaching the first canopy layer. Assuming that uneven−aged stand structure is optimal for that species, it should be characterized by a spatial variability (mosaic) of various canopy layers including even−aged patches with sparse canopy closure as well as gaps where fir regeneration will be initiated having favorable growth conditions.
    Źródło:
    Sylwan; 2015, 159, 10; 804-812
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Retrospektywna analiza wzrostu i przyrostu drzew w 30−letnim drzewostanie jodły kalifornijskiej (Abies concolor Eng.)
    Retrospective analysis of growth and increment of trees in 30−years−old stand of white fir (Abies concolor Eng.)
    Autorzy:
    Beker, C.
    Flieger, K.
    Turski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/994778.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany sosnowe
    sosna kalifornijska
    Abies concolor
    wzrost roslin
    dynamika wzrostu
    przyrost wysokosci
    przyrost piersnicowego pola przekroju
    przyrost miazszosci
    white fir
    growth
    height
    breast height diameter
    basal area
    volume
    Opis:
    The paper presents the results of the retrospective research on the height and diameter growth of trees in a 30−year−old white fir (Abies concolor Eng.) stand growing in the mixed broadleaved forest habitat in the Forest Experimental Station in Siemianice. The research concerned the volume and functionally related parameters including height, diameter at breast height and basal area.
    Źródło:
    Sylwan; 2012, 156, 12; 902-907
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wzrost i przyrost wysokości dębu szypułkowego (Quercus robur L.) w dolnej warstwie drzewostanu sosnowego
    Growth and increment of height of pedunculate oak (Quercus robur L.) undergrowth in Scots pine stands
    Autorzy:
    Paluch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/991145.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    dab szypulkowy
    Quercus robur
    wzrost roslin
    przyrost wysokosci
    odnowienia podokapowe
    oslona gorna drzewostanu
    drzewostany sosnowe
    height
    growth phases
    undergrowth
    pedunculate oak
    Opis:
    The study compares height growth of pedunculate oak (Quercus robur L.) undergrowth in Scots pine (Pinus sylvestris L.) stands and in open canopy conditions. Material was collected in 20 Scots pine stands with well−developed pedunculate oak undergrowth located in north−eastern Poland, representing the mixed deciduous forest type (Querco roboris−Pinetum). Fraction of oak undergrowth with slow height increment in Scots pine stands amounted 40% and was twice as high as in the open canopy conditions. On average 10 years longer than in the open canopy conditions juvenile phase characterizes the height growth of pedunculate oak undergrowth. A shift of height growth phases of oak undergrowth was recorded. However in most of the stands Scots pine shelter did not cause large delay in the age at which the culmination of current height increment of pedunculate oak is achieved.
    Źródło:
    Sylwan; 2014, 158, 08; 563-570
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura plonu i oddziaływanie na populację mątwika ziemniaczanego (Globodera rostochiensis) wybranych odmian gorczycy białej uprawianej w plonie głównym. I. Dynamika wzrostu roślin, kwitnienie i plon nasion
    Yield structure of selected varieties of white mustard grown as main crops and their impact on the potato cyst nematode (Globodera rostochiensis). I. Dynamics of plant growth, flowering and seed yield
    Autorzy:
    Nowakowski, M.
    Franke, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1201124.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    gorczyca biala
    uprawa roslin
    odmiany roslin
    wzrost roslin
    dynamika wzrostu
    wysokosc roslin
    kwitnienie
    nasiona
    plony
    oddzialywanie roslin
    matwik ziemniaczany
    Globodera rostochiensis
    white mustard
    plant cultivation
    plant cultivar
    plant growth
    growth dynamics
    plant height
    flowering
    seed
    yield
    potato cyst nematode
    Opis:
    W latach 2008–2010 przeprowadzono doświadczenia na stanowisku z piaskiem gliniastym lekkim. Badania miały na celu porównanie dynamiki wzrostu roślin i udziału roślin kwitnących w trzech terminach oraz plonu nasion i masy 1000 nasion dziesięciu odmian gorczycy białej uprawianych w plonie głównym. Odmiany gorczycy białej różniły się istotnie wysokością roślin, kwitnieniem, plonem nasion i masą 1000 nasion. Największym plonem nasion i wysokością roślin charakteryzowały się odmiany Accent, Concerta, Bardena i Radena. Najmniejszy udział roślin kwitnących zarejestrowano u odmian Sirola i Accent, a największą masę 1000 nasion określono dla odmian Accent, Concerta, Bardena i Rota. Lata badań miały istotny wpływ na wszystkie badane parametry. W 2009 roku, przy dużych opadach deszczu w maju i czerwcu, zarejestrowano największe plony nasion oraz najwyższe rośliny gorczycy białej.
    In 2008–2010 experiments were carried out on the field with light loamy sand belonging to the Research Division of the Plant Breeding and Acclimatization Institute – National Research Institute in Bydgoszcz. The aim of the experiments was to compare ten white mustard varieties (Accent, Bamberka, Bardena, Barka, Concerta, Metex, Nakielska, Radena, Rota and Sirola), cultivated as the main crop. Observations according to plant growth dynamics and flowering were carried at three times. Yield of seed and 1000 seed weight were estimated after harvest. The varieties of white mustard differed significantly in terms of plant height, flowering, yield of seed and 1000 seed weight. The greatest height of plants and yield of seeds was obtained for the varieties Accent, Concerta, Bardena i Radena. The least share of flowering plants was found for varieties Sirola and Accent, and the greatest weight of 1000 seed – for Accent, Concerta, Bardena and Rota. The years of investigations had an influence on all the examined parameters. The largest yields of seed and the highest plants of white mustard were recorded in 2009 characterized with high rainfalls in May and June.
    Źródło:
    Rośliny Oleiste - Oilseed Crops; 2013, 34, 1
    1233-8273
    Pojawia się w:
    Rośliny Oleiste - Oilseed Crops
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ terminu i sposobu wycinania brzozy brodawkowatej na jej regenerację i wzrost w uprawie dębowej
    Effect of time and cleaning method on silver birch sprouting ability and growth in oak young growth
    Autorzy:
    Andrzejczyk, T.
    Milewski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/987203.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    uprawy debowe
    mlodniki debowe
    zabiegi pielegnacyjne
    ciecia pielegnacyjne
    wycinanie drzew
    terminy zabiegow
    gatunki domieszkowe
    brzoza brodawkowata
    Betula pendula
    zdolnosc regeneracyjna
    regeneracja roslin
    wzrost roslin
    przyrost wysokosci
    betula pendula
    sprouts
    stump height
    growth
    cleaning
    silviculture
    Opis:
    The objective of the study was to examine the sprouting ability and growth of silver birch after cleaning in a 11−year−old oak stand in Kolumna Forest District (central Poland). The purpose of the cleaning was to remove naturally regenerated birch. Six different treatments were applied as a cleaning methods. They differed in time of application and height of cutting or breaking the birch sprouts, i.e. spring cleaning at ground level in every second oak row (W1) or over the entire surface (W2), cutting or breaking at a height of 1 m in spring (W3a, W3b) and cutting or breaking at a height of 1 m in summer (W4a, W4b). We analyzed the formation of new sprouts and their height and dbh increment over a 4−year period after the treatment. On average, after spring cleaning 10−20% of birches produced new sprouts when birch was cut at the ground level. When cut at one meter, 85−90% of birches produced new sprouts. Cleaning in the summer decreased the sprouting ability by 20−25%. There were also significant differences in height growth of sprout between spring (better) and summer (worse) time of cleaning. There were no significant differences in sprouting ability and sprout growth between cutting and breaking when done at the same time of the year. Thus, the most effective way to restrict competition of birch in young oak stands is cutting at ground level.
    Źródło:
    Sylwan; 2017, 161, 04; 295-302
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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