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    Wyświetlanie 1-8 z 8
    Tytuł:
    Gleby siedlisk leśnych Żywiecczyzny Cz. I. Siedliska niskiego regla dolnego
    Autorzy:
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023518.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    Beskid Slaski
    Zywiecczyzna
    lasy gorskie
    Beskid Maly
    Beskid Zywiecki
    lesnictwo
    niski regiel dolny
    forest site type
    mountain forest site
    low elevations of lower montane zone
    west beskidy
    forest soil fertility
    Opis:
    The studies on soil properties affecting forest sites at low elevations (up to 900 m a.s.l.) of the lower montane zone were carried out in the Żywiec region. The paper describes the relationships between forest sites types and underlying parental rock, soil type and subtype, as well as basic physical and chemical properties of soils used for the assessment of their natural fertility and productivity.
    Źródło:
    Sylwan; 2004, 148, 02; 3-10
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal change of soil chemical properties in the southern forest-steppe of the Ufa region of the Republic of Bashkortostan, Russia
    Autorzy:
    Asylbaev, Ilgiz
    Khabirov, Ilgiz
    Khasanov, Ayrat
    Gabbasova, Ilysja
    Garipov, Timur
    Powiązania:
    https://bibliotekanauki.pl/articles/947131.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    agrochemical properties
    forest-steppe
    monitoring
    soil fertility
    soil maps
    Opis:
    Modern technologies make it possible to obtain a lot of diverse information about the soil properties using satellite images, but field studies are also required to create or refine digital soil maps. To create a digital soil map scaled 1:25 000 in 2016, a classical field study was conducted with the laying of soil sections in places with the same coordinates as in the mapping of 1982. It allowed to carry out retrospective monitoring of transformation of morphogenetic and agrochemical properties of soils of the southern forest-steppe of the Republic of Bashkortostan (Russia) for the 34-year period of farm use. Thus, the correction and digitization of the soil map allowed to establish that arable land occupies 69.792 ha (67.9%) in the structure of agricultural land (102 811 ha). The monitoring showed deterioration of the main characteristics of arable soil fertility: the diminishing of humus-accumulative horizons, significant decrease of humus content (p ≤ 0.05), a small but reliable acidification of the medium reaction and reducing labile phosphorus. Losses of organic matter occurred mainly in the most fertile soils; their proportion decreased from 55.9% of the total area of agricultural land to 12.4%.
    Źródło:
    Journal of Water and Land Development; 2020, 44; 8-12
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Earthworm species as pointer for herbaceous flora distribution and health of soil in Onigambari Forest Reserve, Oyo state Nigeria
    Autorzy:
    Onafurume, O. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076651.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Earthworms
    Floristic composition
    Natural forest
    Relative importance value
    Soil fertility
    Opis:
    Amongst various and diverse organisms, earthworms (Annelida: Oligochaeta) are the most important components of soil biota when it comes to soil formation and maintenance of soil structure and fertility. The presence of earthworms modifies the soil quality of the environment due to their burrowing and casting. This affects the activities of other organisms. Thus, they are also termed “ecosystem engineers”. However, while we begin to understand the role of surface casts, it is still unclear to what extent plants utilize subsurface casts. This work is a study of the floral community structure as influenced by surface cast so as to determine the functional groups of earthworms in the natural forest zone of Onigambari Forest Reserve. This reserve is located at latitude 07°25’N and longitude 3°53’E within the low and semi-deciduous forest belt of Nigeria. It is divided into two: natural and plantation forests. Herein, the simple random sampling technique was used to select 10 geo-referenced plots (15m × 15m each). Three 1.0m × 1.0m square quadrats were randomly laid on each plot to give 30 sampling points surveyed for data collection. Data were collected on floral composition, relative importance values (RIV), earthworm composition and diversity, and physicochemical components of the soil. Twenty eight herbaceous plants were enumerated. Andropogon gayanus had the highest relative importance value (RIV) of (20.499), while Acroceras zizanoides and Platostoma africanum had the least RIV (1.1782) amongst other four. Seven earthworm species were enumerated, with Eisenia fetida having the highest RIV (28.571), while Octoclasion cyaneam and Lumbricum rubellus had the least. The species richness of earthworms was high (0.8061) and evenly distributed (0.8405), but with a low diversity (H’ = 1.772). There are two functional groups of earthworm in the natural forest zone, seven were surface dwelling, while only Lumbricus terrestris was sub-surface dwelling. The health of flora and soil of the natural forest zone of Onigambari forest reserve is low. Prevention of outside influence on the forest zone, seeding and deposition of organic waste matter to the soil are strategies that would enhance abundance and diversity of earthworms in the natural forest zone.
    Źródło:
    World News of Natural Sciences; 2019, 26; 80-95
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wartość siedliskotwórcza leśnych gleb niecałkowitych
    Site creating value of forest soil with lithological discontinuities
    Autorzy:
    Lasota, J.
    Blońska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/991134.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gleboznawstwo lesne
    gleby lesne
    gleby niecalkowite
    wlasciwosci siedliskotworcze
    siedliska lesne
    lithological discontinuities
    forest sites
    soil fertility
    Opis:
    The aim of this study was to determine the site−creating value of forest soil with lithological discontinuities. The second aim was to describe an influence of lithological discontinuities on the soil properties and forest communities. Tested soils were grouped according to the ability to create forest sites. The presence of discontinuities has influence on the development of the forest communities, floristic abundance and forest stand quality which is expressed by site index.
    Źródło:
    Sylwan; 2014, 158, 01; 10-17
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie indeksu trofizmu gleb leśnych do oceny jakościowej wybranych gleb leśnych Gór Bialskich i Złotych
    Application of the forest soil trophism index for determination of the quality of selected forest soils in the Bialskie and Zlote Mountains
    Autorzy:
    Jamroz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009685.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Indeks Trofizmu Gleb Lesnych
    gleby lesne
    Gory Zlote
    Gory Bialskie
    lesnictwo
    zyznosc gleb
    forest site
    forest soil trophism index
    fertility index
    mountain soils
    Opis:
    Fertility of forest soils in the Bialskie and Złote Mountains is presented in the paper. Forest soil trophism indexes were calculated for mountain coniferous forest (BG), mountain mixed coniferous forest (BMG) and mountain mixed broadleaved forest (LMG). Modification because of the mountain conditions was applied to standard calculation of the index. Analyzed soils from BG sites represented oligotrophic group of soils, soils from BMG were classified as lower mesotrophic and from LMG as medium mesotrophic soils.
    Źródło:
    Sylwan; 2009, 153, 10; 684-688
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gleby siedlisk leśnych Żywiecczyzny Cz. II. Siedliska wysokich położeń regla dolnego i regla górnego
    Solis of forest site types in Żywiec region Part II. Forest sites at high elevations of the lower montane zone
    Autorzy:
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023762.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    Beskid Slaski
    gleby lesne
    Beskid Maly
    Beskid Zywiecki
    regiel gorny
    lesnictwo
    wysoki regiel dolny
    forest site type
    mountain forest site
    high elevations of lower montane zone
    west beskidy
    forest soil
    fertility
    Opis:
    The studies on soil properties affecting forest sites at high elevations of the lower (900−1100 m a.s.l.) and upper montane zones were carried out in the Żywiec region. The paper describes the relationships between forest site types and underlying parental rock, soil type and subtype, as well as basic physical and chemical properties of soils used in the assessment of their natural fertility and productivity.
    Źródło:
    Sylwan; 2004, 148, 03; 14-20
    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:
    Właściwości gleby pod okapem czterech gatunków drzew leśnych po 30 latach od ich posadzenia na dwóch różnych siedliskach
    Soil properties under the canopy of four forest tree species 30 years after planting on two different forest sites
    Autorzy:
    Mroziński, P.
    Modrzyński, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1018330.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    Larix decidua
    Quercus robur
    wlasciwosci fizyczne
    daglezja zielona
    lesnictwo
    Picea abies
    dab szypulkowy
    bor mieszany swiezy
    modrzew europejski
    wlasciwosci chemiczne
    gleby lesne
    Pseudotsuga menziesii
    las mieszany swiezy
    drzewa lesne
    swierk pospolity
    forest trees
    humus type
    soil properties
    site fertility
    central europe
    Opis:
    The main objective of this study was to demonstrate a relationship between the direction and effectiveness of impact of particular tree species on soil properties and the initial site fertility. The studies were conducted on two neighbouring experimental plots with different forest site types (fresh mixed coniferous forest – BMśw and fresh mixed deciduous forest – LMśw). The analysed species Norway spruce (Picea abies L. Karst.), European larch (Larix deciduas Mill.), Douglas fir (Pseudotsuga menziesii Franco) and penduculate oak (Quercus robur L.) were planted in three replications on 400 m2 plots. It was stated that: 1) the humification processes ongoing under the canopy of the analysed tree species are, to a large degree, determined by the type of forest site; 2) under the same tree species the content of calcium and nitrogen in the nitrate form was found to by markedly lower in the BMśw forest site; 3) in the BMśw forest site, the pH and electrolytic conductivity of the soil under the majority of the analysed tree species were lower; 4) the degrading impact of coniferous species on soil was noticeably stronger on the poorer BMśw forest site.
    Źródło:
    Sylwan; 2006, 150, 08; 26-37
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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