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    Tytuł:
    Wpływ sposobu przygotowania gleby na dynamikę jej warunków wodnych na wydmach Kotliny Toruńskiej
    Effect of site preparation method on dynamics of soil water conditions on inland dunes of the Torun Basin
    Autorzy:
    Sewerniak, P.
    Stelter, P.
    Bednarek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/987135.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Kotlina Torunska
    wydmy srodladowe
    uprawy lesne
    rzezba terenu
    przygotowanie gleby
    plug LPZ-75
    frez lesny
    gleby bielicowe
    zawartosc wegla organicznego
    higroskopijnosc
    wilgotnosc gleby
    warunki wodne
    zapas wody w gruncie
    soil
    site preparation
    forest site
    inland dunes
    topography
    podzols
    dry areas
    Opis:
    The research was conducted in a young Scots pine (Pinus sylvestris) plantation located in a dune area of the Toruń Basin (N Poland). The aim of the study was to investigate differences in dynamics of soil water conditions followed different method used for site preparation. The three plots were investigated in the study: belt of soil prepared by a mill, north−facing slope of a dune (FR−N), belt of soil prepared with a mill, south−facing slope of a dune (FR−S) and soil prepared with a plough (furrows) on the ridge of a small aeolian mound (LPZ). On each plot soil samples were taken and soil moisture was regularly measured from April to December of 2013 (the TDR method). The measurements of soil moisture were taken at four depths (3, 10, 25 and 50 cm) at intervals of ca. 2 weeks. Additionally, soil moisture was also measured on 25.08.2015. It was done to determine soil water conditions for a deep summer drought (the measurements were taken twice this day – just before and after rain which turned to be the first since ca. a month). Reserves of soil moisture and shares of water unavailable to plants were calculated for every measure day for each study plot. As a result of higher organic carbon content, values of soil actual moisture as well as reserves of soil moisture were almost regularly higher for belts mixed with a mill than for furrows prepared with a plough (fig. 1, 3). Opposite relation was found, however for the summer drought (tab. 2). This was explained by the higher repellence of rich in organic mater, dried material occurring in belts. On 25.08.2015 much lower improvement of water conditions after rain was also stated for this material than for topsoil in LPZ. Unfavoured soil water conditions for plants occurring in belts in dry periods could explain relatively low dynamics of pine growth revealed for the variant of soil preparation in a previous study. However, it was concluded that a forest mill should be recommended for forestry, because the device much less disturbs topsoil than a plough. Besides, differences in growth parameters of pines followed different methods of soil preparation used before planting decline in next years of a stand growth.
    Źródło:
    Sylwan; 2017, 161, 01; 52-61
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ sposobu przygotowania gleby na dynamikę jej temperatury na wydmach Kotliny Toruńskiej
    Effect of site preparation method on dynamics of soil temperature on inland dunes of the Torun Basin
    Autorzy:
    Sewerniak, P.
    Stelter, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989413.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Kotlina Torunska
    wydmy srodladowe
    uprawy lesne
    rzezba terenu
    przygotowanie gleby
    plug LPZ-75
    frez lesny
    gleby bielicowe
    gestosc objetosciowa
    porowatosc
    wilgotnosc gleby
    zawartosc materii organicznej
    temperatura gleb
    dynamika temperatury
    pojemnosc cieplna
    soil
    thermal conditions
    site preparation
    inland dunes
    topography
    podzols
    dry areas
    Opis:
    The objective of the study was to determine the dynamics of soil temperature on inland dunes in the Toruń Basin (N Poland) with reference to the two methods of site preparation: homogenization of belts with a forest mill (FR) and preparation of trenches with a double−mouldboard plough LPZ−75 (LPZ). The study was conducted in a young Scots pine (Pinus sylvestris) plantation on plots with soil prepared by a forest mill on north− and south−facing slopes of a dune (FR−N and FR−S respectively) and with soil prepared with a plough on the ridge of a small aeolian mound (LPZ). On each plot a soil pit was dug and soil samples were taken from distinguished horizons for laboratory analyses. Besides, from April to December of 2013, at interval of ca. two weeks, soil temperature was measured at the depths of 3, 10, 25 and 50 cm. To estimate daily amplitudes of temperature in topsoil on the studied plots, in a sunny summer day (23.08.2013) the temperature was additionally measured from 5 a.m. to 9 p.m. with an hourly interval. These measurements were taken at the two upper depths (3 and 10 cm). Despite the fact that soil surface was distinctly darker for belts prepared with a mill than in trenches prepared by a plough, soil temperatures were almost regularly lower in FR−N and in FR−S than in LPZ. This concerns all the investigated depths. The differences were explained by much higher moisture of soil material in belts what involves higher thermal capacity and with that slower heat of a soil, as well as causes higher losses of thermal energy for evaporation. Another agent explaining this was indicated to be related to high porosity of materials found in the belts. Namely, especially in dry periods, high volume of soil pores are filled on the FR plots with air what impedes heat transfer in a soil. It was concluded that stated in a previous study worse growth of pines planted in milled belts than in tranches prepared with a plough was unlikely related to differences in soil thermal conditions. Thus, differences in growth dynamics of young pines in plots with site prepared by the two studied methods are caused by other reasons rather as primarily other competitive impact of weeds and differences in soil water conditions occurring at root system of young trees.
    Źródło:
    Sylwan; 2016, 160, 11; 923-932
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ rzeźby terenu na bonitację i cechy wzrostowe drzewostanów sosnowych na wydmach Kotliny Toruńskiej
    Impact of land relief on site index and growth parameters of Scots pine stands on inland dunes in the Torun Basin
    Autorzy:
    Sewerniak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989617.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Kotlina Torunska
    rzezba terenu
    ekspozycja terenu
    drzewostany sosnowe
    sosna zwyczajna
    Pinus sylvestris
    wzrost roslin
    wysokosc drzew
    piersnice drzew
    smuklosc drzew
    bonitacja drzewostanow
    topography
    pinus sylvestris
    slope aspect
    tree growth
    forest site
    soil
    inland dunes
    Opis:
    The aim of the study was to determine the impact of land relief on site index and growth parameters (height, diameter, slenderness) of Scots pine (Pinus sylvestris) stands on inland dunes in the Toruń Basin (N Poland). The study was conducted on 150 plots situated on north− and south−facing dune slopes (54 pairs of twin plots) as well as in intra−dune depressions (42 plots). Height and diameter of ten the thickest pines per 0.1 hectare was measured, and next site index as a potential height of a stand at the age of 100 years was calculated. As the results of the used equation, site index was strongly (R²=0.58) negatively biased to age, so the bias was removed using an elaborated regression model. For stands older than ca. 20 years, the clear higher site index values as well as higher heights and diameters were found for intra−dune depressions than for slopes of the two studied aspects. This was explained by the occurrence of much more fertile and moister soils in depressions. The only age class for which the advantage of site index and growth parameters was not stated for depressions was the youngest class (≤20 years old). This was likely caused by the competitive impact on young pines of Calamagrostis epigejos which prefers intra−dune depressions on inland dunes and forms in forest floor usually dense cover in this position. Impact of contrasting slope aspect was clearly related in the study to age of a stand. For the youngest studied age class both site index values as well as heights and diameters were lower on north− than on south−facing slopes. This was explained by the effect of weeds which form more dense cover on slopes of this aspect than on sunny slopes. For older stands; however higher site index values as well as heights and diameters were revealed for north−facing slopes, due to pines likely took advantage of higher moisture of soils occurring in this place. With reference to slenderness, regardless stand age the parameter was regularly the highest for north− than both for south−facing slopes and depressions. Because of the revealed distinct higher productivity of intra−dune depressions in normally dry and poor in nutrients dune landscape, it could be reasonable to use the depressions to introduce admixtures of broadleaved tree species into pine monocultures on inland dunes.
    Źródło:
    Sylwan; 2016, 160, 08; 647-655
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Późnoglacjalna i holoceńska ewolucja torfowiska w Dzikowie (Kotlina Toruńska) w świetle badań paleogeograficznych
    Late glacial and holocene evolution of the Dzikowo peatland (Toruń Basin) based on palaeogeographical analyses
    Autorzy:
    Krześlak, I.
    Andrzejewski, L.
    Gamrat, W.
    Kupniewska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/294992.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    analiza paleogeograficzna
    analiza pyłkowa
    makroszczątki roślinne
    paleojezioro
    Kotlina Toruńska
    paleogeographical analyses
    palynology
    lant macroremains
    paleolake
    Toruń Basin
    Opis:
    Przedmiotem badań są osady wypełniające zagłębienie wytopiskowe w Dzikowie, we wschodniej części Kotliny Toruńskiej, około 20 km na południowy wschód od Torunia. Analizowane wytopisko oraz sąsiadujące z nim Jezioro Dzikowskie usytuowane są na terasie Wisły. W celu odtworzenia ewolucji środowiska przyrodniczego tego obszaru przeprowadzono badania multidyscyplinarne. Badania geologiczne pozwoliły na określenie maksymalnej miąższości osadów biogenicznych w obrębie analizowanego wytopiska na około 10 m. Szczegółowe analizy paleoekologiczne (geochemiczne, palinologiczne i makroszczątków roślinnych) dostarczyły informacji o zmianach środowiska przyrodniczego w późnym glacjale i holocenie oraz umożliwiły wyodrębnienie kolejnych etapów rozwoju paleojeziora.
    The object of current research is core of the bottom sediments of a kettle-hole at the Dzikowo site. Study area is located in the eastern part of the Torun Basin, in the area of the Vistula terrace, approximately 20 km southeast of Toruń. In order to reconstruct the environmental history of this region, multidisciplinary research was carried out. Geological research allowed to determine the maximum thickness of biogenic sediments to approximately 10 m. Detailed paleoecological analyses (palynological, plant macroremains, geochemical) provided information about environmental changes in the Late Glacial and the Holocene and helped to identify stages in the evolution of the paleolake basin.
    Źródło:
    Landform Analysis; 2013, 25; 95-103
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ekspozycja stoków wydm w Kotlinie Toruńskiej a wybrane elementy ekosystemu boru sosnowego – wstępne wyniki badań
    Preliminary studies on the influence of dune-slope exposure on a pine forest ecosystem in the Torun Basin
    Autorzy:
    Sewerniak, P.
    Bednarek, R.
    Szymanska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/46376.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    Kotlina Torunska
    wydmy srodladowe
    stoki
    ekspozycja terenu
    warunki siedliskowe
    temperatura powietrza
    wilgotnosc powietrza
    gleby
    wilgotnosc gleby
    runo lesne
    drzewostany sosnowe
    Źródło:
    Leśne Prace Badawcze; 2011, 72, 1
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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