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    Wyświetlanie 1-7 z 7
    Tytuł:
    Ocena trofizmu gleb Obszaru Ochrony Ścisłej "Rybitew" w Kampinoskim Parku Narodowym na podstawie siedliskowego indeksu glebowego
    Evaluation of the trophism of soils in the ‘Rybitew strict protection area in the Kampinos National Park based on the soil trophic index
    Autorzy:
    Chojnicki, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/978896.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    soil trophic index
    forest site types
    Kampinos National Park
    Opis:
    The aim of the study was to assess the trophism of soils in the strict nature protection area using the soil trophic index (SIG). The ‘Rybitew’ strict protection area (224.2 ha, created in 1965), is located in the north−eastern part of the Kampinos National Park (central Poland). The results of field and laboratory studies of the physicochemical and chemical properties of soils made it possible to determine their trophism by the SIG index. In the ‘Rybitew’ strict protection area, significant typological diversity of soils (10 subtypes) was found. The soils belong to the following trophic groups determined by the SIG: mixed coniferous forests (BM), mixed broadleaved forests (LM), alder forest (swamp broadleaved forest site) (Ol) and soil developed from low and transitional peatlands. The average value and range of SIG for particular trophic groups was: 19 (15−23) for BM, 26 (25−28) for LM, 34 for Ol was well as 23 for organic soil developed from low peatland and 21 for organic soil made from transitional peatland. Most of the ‘Rybitew’ area is covered by Podzols, Brunic Arenosols and Luvisol occurring in the trophic group of BM and LM. A lot of the soils undergo acidification process, which leads to a reduction in their trophism due to the excessive share of pine in the stand. This causes the podzolization process of Luvisols and significant acidification of the upper horizons, high C:N value and the moder type ectohumus formation, especially in Haplic Gleysols and Haplic Phaeozems. The large typological and trophic diversity of soils and the vegetation covering them in the ‘Rybitew’ strict protection area confirm the rightness of its creation.
    Źródło:
    Sylwan; 2020, 164, 09; 758-766
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ odnowienia lasu zrębem zupełnym na trofizm gleb rdzawych na przykładzie Nadleśnictwa Spała
    Trophic soil index of the rusty soils affected by clear-cutting in the Spala Forest District
    Autorzy:
    Jamroz, E.
    Weber, J.
    Dębicka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/990984.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Nadlesnictwo Spala
    drzewostany
    zrab zupelny
    gleby lesne
    gleby rdzawe
    trofizm gleb
    indeks troficzny gleb
    forest soils
    trophic soil index
    forest soil quality
    soil organic carbon
    Opis:
    The paper describes the influence of clear−cutting on the fertility of rusty soils expressed by trophic soil index. Soils in the Spała Forest District (central Poland) were covered by coniferous or mixed coniferous forests. Clear−cutting in acidic and oligotrophic mixed coniferous forests decreased soil fertility and affected an increase of hydrolitic acidity, particularly in Oh and Bv horizons. This type of timber harvest influenced also decrease of organic carbon in the first year after cutting.
    Źródło:
    Sylwan; 2014, 158, 09; 669-674
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Siedliskotwórcze właściwości gleb brunatnych kwaśnych wytworzonych z granitoidów w Górach Stołowych
    Forest habitats on dystric Cambisols developed from granite in the Stolowe Mountains
    Autorzy:
    Gałka, B.
    Podlaska, M.
    Kabała, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/993271.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Gory Stolowe
    gleby lesne
    gleby brunatne kwasne
    wystepowanie
    morfologia gleb
    wlasciwosci fizykochemiczne
    zasobnosc gleb
    wlasciwosci siedliskotworcze
    Siedliskowy Indeks Glebowy
    granite
    dystric cambisols
    forest habitat
    trophic soil index
    Opis:
    Deep dystric Cambisols developed on the homogenous regoliths of granite in the Stołowe Mountains National Park (SW Poland). In general, the soils have a texture of gravelly sandy loam, apparently silty, the strong acid reaction and the base saturation below 30% throughout the profile (oligotrophic variant). Only the soils developed in lower parts of slopes have a base saturation up to 40−50% or more (oligo−mesotrophic and mesotrophic variants respectively). These soils rich in humus and biologically active create in the low mountain zone the habitats suitable for the mixed mountain forests and, in a less acid variant, for the broadleaf mountain forests. Combined trophic soil index reached the values from 29 to 33 that confirmed mesotrophic type of the forest habitats. Most Cambisols developed from granite in the Stołowe Mountains are currently covered with spruce stands of artificial origin. However, a phytosociological analyses of vegetation carried out in preserved beech stands documented the presence of Luzulo luzuloidis−Fagetum community of poor beech forest that should be considered a potentially natural forest community on these soils and the strategic goal of the forest reconstruction in the national park.
    Źródło:
    Sylwan; 2013, 157, 05; 385-394
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ drzewostanów o zróżnicowanym udziale świerka na gleby różnych typów siedliskowych lasu w Górach Stołowych
    Influence of stands with diversed share of Norway spruce in species structure on soils of various forest habitats in the Stolowe Mountains
    Autorzy:
    Gałka, B.
    Kabała, C.
    Łabaz, B.
    Bogacz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/990987.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Gory Stolowe
    lasy gorskie
    drzewostany swierkowe
    typy siedliskowe lasu
    gleby lesne
    wlasciwosci fizykochemiczne
    indeks troficzny gleb
    odczyn gleby
    wegiel organiczny
    zawartosc glinu
    Siedliskowy Indeks Glebowy
    ph
    organic carbon
    soil fertility
    forest habitat type
    trophic soil index
    Opis:
    Chemical properties and fertility of soils were compared under spruce, mixed and beech stands in four types of forest habitat (mountain broadleaf forest, mountain mixed broadleaf forest, mountain mixed coniferous forest and mountain coniferous forest) in 373 sites of forest monitoring in the Stołowe Mountains National Park, SW Poland. Soils under the spruce stands had higher organic carbon pools in their upper horizons, but lower pH, increased activity of exchangeable aluminum, lower contents of exchangeable base cations, available potassium and magnesium, resulting finally in lower values of the soil trophic index (SIG). The negative impact of spruce monocultures on the physicochemical soil properties was much stronger in the eutrophic habitats (dedicated to broadleaf forest) than in dystrophic ones. Weak positive effect of the beech introduction on soils in the dystrophic habitats indicated that the conversion of the coniferous into mixed or deciduous stands would not cause a rapid improvement in the physicochemical properties deformed previously under spruce monocultures.
    Źródło:
    Sylwan; 2014, 158, 09; 684-694
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wybranych właściwości gleby na bonitację drzewostanów dębowych w Nadleśnictwie Międzyrzec
    Effect of selected soil properties on site index of oak stands in the Miedzyrzec Forest District
    Autorzy:
    Sacewicz, W.A.
    Bijak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/985836.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    siedliska lesne
    bonitacja siedliska
    gleby lesne
    wlasciwosci chemiczne
    indeks troficzny gleb
    drzewostany debowe
    Nadlesnictwo Miedzyrzec
    site index
    soil trophic index (sig)
    soil properties
    quercus sp.
    Opis:
    The objective of the study was to determine the impact of selected soil properties on site index of oak (Quercus sp.) stands in the Międzyrzec Forest District (eastern Poland). We utilised data from the soil−habitat survey, which provided information about physical and chemical properties of soils and stand descriptions for 21 oak stands (tab. 1). The collected data served to determine site index (SI), defined as the stand top−height at the age of 100, and soil trophic index (SIG) that is a synthetic measure of the soil fertility. For SI and SIG distributions met the criteria of the normal distribution (Shapiro−Wilk test p−values equalled 0.118 and 0.297, respectively), we applied one−way analysis of variance, t−test and correlation analysis to determine the influence of the forest habitat type and moisture as well as soil properties and fertility measures on the site index of analysed oaks. The SI of investigated oaks ranged from 23.2 to 29.3 m, 26.5 m on average (tab. 2). It was significantly dependent on the site type (F=6.913, p=0.006) with the lowest values on oligotrophic habitat and the highest – on eutrophic one. No effect of habitat moisture content and soil type was found (t=–0.408, p=0.688 and F=2.599, p=0.076, respectively). The SIG values ranged from 20 to 36, with the average of 29.5 (tab. 2). Similarly to the site index, we found significant impact of the forest habitat type (F=5.384, p=0.015) on SIG values. Soil fertility and physical properties significantly influenced site index of the analysed oaks (fig.). We found positive correlation between SI and SIG values (r=0.566, p=0.007) as well as between SI and clay content (r=0.454, p=0.037). Chemical properties of the soils under studied stands seem to have less profound effect on site index of oak. The highest, but insignificant, correlations were found for recalculated acidity (r=–0.420, p=0.056) and magnesium content (r=0.400, p=0.071).
    Źródło:
    Sylwan; 2018, 162, 01; 3-11
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie ITGL w ocenie gleb porolnych z naturalnym odnowieniem brzozy
    Application of ITGL in the assessment of post-agricultural soils with natural regeneration of silver birch
    Autorzy:
    Gawęda, T.
    Błońska, E.
    Małek, S.
    Bijak, S.
    Zasada, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985921.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gleby porolne
    metody oceny
    Indeks Trofizmu Gleb Lesnych
    odnowienia naturalne
    brzoza brodawkowata
    Betula pendula
    afforestation
    soil properties
    forest soil trophic index
    betula pendula
    Opis:
    The aim of the study was to apply the forest soil trophic index (ITGL) in the assessment of post−agricultural soil under naturally regenerated silver birch (Betula pendula Roth.) stands. The study was conducted in Mazowieckie region (central Poland) in 10 locations (tab. 1). In each location we established 4 study plots with naturally regenerated silver birch of different age. The age of the investigated stands ranged from 2 to 17 years. On each study plot samples from three upper soil horizons (0−5 cm, 5−15 cm and 15−50 cm) were collected for laboratory analysis. The following characteristics were determined in the soil samples: pH, organic carbon (C) and total nitrogen (N) content, particle size and the content of exchangeable base cations (Ca, Mg, Na and K). These soil characteristics were on used for ITGL calculation. Chemical properties of soils under silver birch regeneration varied with regard to trees age, whereas physical attributes turned to be rather stabile over the time (tab. 2). According to ITGL value investigated soils were classified as eutrophic. It is probably the effect of high base cations content, which is a result of systematic fertilization during the long term agricultural use. The insignificantly different ITGL values for the studied soils (tab. 3) indicated their similarity in terms of site productivity potential and soil−geological characteristics. The soil properties, especially the quality of soil organic matter described with C/N ratio, improved several years after the cessation of agricultural activity and spontaneous afforestation. The obtained results indicate that silver birch can be used in the stand composition on post−agricultural areas.
    Źródło:
    Sylwan; 2018, 162, 05; 396-402
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problemy diagnozy troficzności siedlisk leśnych na porolnych glebach aluwialnych
    Problems of trophic status diagnosis in the forest habitats on former arable alluvial soils
    Autorzy:
    Łabaz, B.
    Kabała, C.
    Bogacz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/989599.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gleby porolne
    doliny rzeczne
    dolina Baryczy
    gleby aluwialne
    siedliska lesne
    trofizm gleb
    indeks troficzny gleb
    forest site type
    soil trophic index
    alluvial soils
    Opis:
    The morphology and properties of the post−arable soils that influence the trophic status of forest habitats on the Barycz river terraces (south−western Poland) were analyzed. The fieldwork included the characterization of the soil, tree layer, and the vegetation of the forest floor, as required for the forest habitat evaluation. In the collected soil samples, a set of physico−chemical analysis was carried out, that included: soil texture, bulk density, pH in KCl and water, total organic carbon, total nitrogen, hydrolytic acidity, base cations, and the content of plant−available phosphorus, potassium, and magnesium. Sandy post−arable soils in the Barycz valley have a thick, double− or triple−layered ploughed humus horizon, and the high stock of humified organic matter, nitrogen, and phosphorus, that emphasizes anthropogenic transformation of soils and differentiates them from the natural soils of river valleys. The diagnosis based on the soil trophic index (SIG) indicates generally lower trophic status (mesotrophic) as compared to the diagnoses based on forest floor vegetation and tree−stand (eutrophic status). The SIG model for the post−agrar moist valley habitats should be supplemented with the factors, which improve the apparent trophic status of sandy soils, including the thick humus horizon (post−ploughing) and shallow table of eutrophic ground water.
    Źródło:
    Sylwan; 2016, 160, 08; 684-695
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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