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    Wyświetlanie 1-11 z 11
    Tytuł:
    Charakterystyka pędu głównego dojrzałej olszy czarnej (Alnus glutinosa (L.) Gaertn.)
    Main shoot characteristics in the mature black alder (Alnus glutinosa (L.) Gaertn.)
    Autorzy:
    Dmyterko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026549.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    przyrost wysokosci
    lesnictwo
    olsza czarna
    pedy glowne
    Alnus glutinosa
    przyrosty roczne
    drzewa lesne
    main shoot
    height increment
    height growth rate
    alnus glutinosa
    Opis:
    A comparative analysis was made for different measures of location and variation in height increment of the main stem of the mature black alder from the north−eastern region (N) and two southern regions (S1 and S2) of Poland. Correlation was found between annual height increment and tree age and height, as well as the number of the nodes along the shoot and the length of the internode. It was demonstrated that the trees producing long shoots in a given year would produce long shoots also in the successive years.
    Źródło:
    Sylwan; 2003, 147, 08; 11-18
    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:
    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:
    Analiza faz wzrostu wysokości buka pospolitego rosnącego w drugim piętrze drzewostanów bukowo-sosnowych
    Analysis of height growth phases for beech growing in the lower storey of beech-pine stands
    Autorzy:
    Dudzińska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1008813.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany bukowo-sosnowe
    drugie pietro drzewostanu
    drzewa lesne
    buk zwyczajny
    Fagus sylvatica
    fazy wzrostu
    przyrost drzew
    przyrost wysokosci
    przyrost biezacy
    przyrost przecietny
    wiek kulminacji przyrostu
    height growth phases
    periodic annual increment
    mean annual increment
    height increment culmination
    second storey
    fagus sylvatica−pinus sylvestris l. stands
    Opis:
    The study focused primarily on the analysis of the periodic annual and mean annual increment and on the recognition of the growth phases for beech growing in the lower storey of beech−pine stands. The empirical material collected from 12 beech−pine stands located in the territory of the Miłomłyn and Stare Jabłonki Forest Districts was used for the study. The height increment of the beech trees from the second storey of beech−pine stands under study culminated earlier than the height increment of the beech trees from pure, one−storied stands. The beech trees growing in the second storey are also characterised by a shorter juvenile phase.
    Źródło:
    Sylwan; 2012, 156, 06; 420-426
    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:
    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
    Tytuł:
    Przyrost i wzrost nadziemnej i podziemnej części podrostów jodłowych w Nadleśnictwie Piotrków Trybunalski
    The increment and growth of above- and belowground part of the fir undergrowth in the Piotrkow Trybunalski Forest District
    Autorzy:
    Skrzyszewski, J.
    Taranowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1008941.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Nadlesnictwo Piotrkow Trybunalski
    hodowla lasu
    drzewa lesne
    jodla pospolita
    Abies alba
    podrost
    czesci nadziemne
    korony drzew
    strzala drzew
    czesci podziemne
    system korzeniowy
    przyrost drzew
    przyrost wysokosci
    wzrost korzeni
    abies alba
    root system
    height
    length
    growth
    increment
    poland
    Opis:
    The objective of the research was to determine the relationship between the dimensions and increment of the aboveground (easy to determine) and the belowground biomass of fir undergrowth in different shelter conditions. In the examined samples, the length of taproots (DKp) up to the age of 30 was dependent on its increment during the first three years of development. Later years saw an intensified growth of taproots. However, the differences from the first years of growth did not compensate for the differences in the first years. Reduced DKp growth was observed in the group of seedlings incrementing to a height of less than 4 cm. The height increment of fir undergrowth at about 20 years of age should not be less than 20 cm. The growth of roots and aboveground parts depends on other factors. The growth of roots was related to the growth of aboveground parts only to a small degree. Under the conditions of suppression, the extremely poor height increment of firs was compensated by the development of the aboveground biomass. With a moderate height increment (sufficient light availability) root growth was more intense. No clear relationship was found between the development of taproots and horizontal roots.
    Źródło:
    Sylwan; 2010, 154, 07; 488-498
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zróżnicowanie bieżącego przyrostu sosen w trzech klasach wieku
    The current growth increment of pine tree stands comprising three different age classes
    Autorzy:
    Kaźmierczak, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1339817.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    dendrometria
    drzewa lesne
    klasy wieku
    klasy Krafta
    drzewostany I klasy wieku
    drzewostany II klasy wieku
    drzewostany III klasy wieku
    sosna zwyczajna
    Pinus sylvestris
    przyrost drzew
    przyrost biezacy
    przyrost wysokosci
    przyrost piersnicy
    przyrost piersnicowego pola przekroju
    przyrost miazszosci
    height increment
    dbh increment
    basal area increment
    volume increment
    growth space
    crown
    age
    biosocial position
    Opis:
    The study presents the results of an analysis of the pine tree growth increments (height increment, dbh increment, basal area increment and volume increment) for a 5-year period. The study involved Scots pine trees of Kraft's class 1, 2 and 3 (dominant stand) in stands of different age classes (II, III, V) growing in fresh mixed coniferous (BMoew) and fresh coniferous (Boew) forest habitats. The multivariate analysis of variance was performed to assess the statistical significance of age and dominance of trees within a stand on their increment. The dominance position was classified for each tree using Kraft's criteria. The following characteristics were also measured: dbh of the trunk in two directions (N-S and W-E), and crown projection area on the basis of the characteristic tree crown points, projected using of a crown projector, characteristic points in tree crowns (7 to 14 on average). The actual height was determined after trees were felled. The following measurements of the single tree growing space were selected and determined: crown projection area – pk (m2), crown diameter – dk (m), Seebach's growth space number – dk / d1. 3 , crown projection area to basal area ratio –d d k 2 1 3 / 2. , crown deflection coefficient –d h k / , single tree space ppd=pk·h (m3). We assessed the strength of the relationships between tree growth parameters and tree growth space, crown length, relative crown length and slenderness. Both the age and dominance position of trees within the stand affected the growth increments. The strongest correlation among measured traits was between the 5-year volume increment and decreasing slenderness.
    Źródło:
    Leśne Prace Badawcze; 2013, 74, 2; 93-100
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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