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    Wyświetlanie 1-4 z 4
    Tytuł:
    Spodziewane konsekwencje ekologiczne w obniżeniu aktywności biologicznej gleb terenów poddanych presji turystyczno-rekreacyjnej
    Ecological consequences in reducing biological activity of soils under tourist-recreational pressure
    Autorzy:
    Tracz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023223.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    oddzialywanie na las
    lesnictwo
    degradacja gleb
    aktywnosc biologiczna
    rekreacja
    turystyka
    gleby lesne
    oddzialywanie na glebe
    lasy
    fauna glebowa
    tourist−recreational pressure
    soil biological activity
    soil fauna
    degradation
    Opis:
    Tourist tracks, ski routs, ski lifts and cable railways, vantage points, bivouacs, campgrounds are under most heavy tourist pressure. In recent research attention has been drawn to external and visible symptoms of recreational impact on synanthropisation and degradation of areas, which attract tourists for their out−standing natural features. In this study emphasis has been put on unfavourable changes ongoing in soil environment i.e. biological activity of soils.
    Źródło:
    Sylwan; 2004, 148, 06; 38-43
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czy zakładanie upraw dębowych metodą biologicznej racjonalizacji sprzyja zachowaniu leśnych zgrupowań skoczogonków (Collembola, Hexapoda)?
    Does alternative methods of oak plantations establishment create favourable conditions for forest collembolan assemblages (Collembola, Hexapoda)?
    Autorzy:
    Sławska, M.
    Sławski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/986682.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    hodowla lasu
    uprawy lesne
    uprawy debowe
    zakladanie upraw lesnych
    prowadzenie upraw lesnych
    metody biologicznej racjonalizacji
    fauna glebowa
    zgrupowania zwierzat
    skoczogonki
    Collembola
    oak cultivation
    corridor and tree group methods
    soil fauna
    species richness
    abundance
    Opis:
    Alternative methods of oak cultivation aim at reducing the cost of establishment of young plantations and decrease in the expenditure on their tending. In these methods, the corridors consisting of oak seedlings planted in the rows or isolated groups of twenty six seedlings are enclosed by stripes or patches without intervention left for natural succession. The restriction in site preparation on these areas and spontaneous development of young generation of trees are assumed to create favourable conditions for many forest organisms and, in results, significantly improve biological diversity of the managed forests. The aim of the study was to recognize the response of forest collembolan assemblages on alternative methods of establishment of oak plantations. The study was performed in the Forest Experimental Station in Rogów (Central Poland). In a mature stand on moderately humid mixed deciduous forest site, on clear−cut and on oak young plantations made by corridor and tree groups methods, fifteen study plots were established. In case of young plantations, these plots encompassed both artificially planted corridors or tree groups and adjacent fragments of plantation left for natural succession. Soil samples were taken in June and September 2014 and, using a simplified Tullgren apparatus, 18 thousands of collembolan specimens belonging to 84 taxa were identified. Our study proved that clear−cut and site preparation by rotary tiller on moderately humid mixed deciduous forest had a negative impact on Collembola assemblages, because caused a reduction in species number and abundance. However, the establishment of oak plantations by alternative methods, consisting in abandonment an artificial planting on some patches of renewed plots, significantly mitigate negative effects of clear−cut and reforestation on collembolan assemblages. The species number and abundance of springtails on patches left for spontaneous succession were distinctly higher than in artificially planted corridors or groups of trees in case of all studied plantations. Furthermore, it seems that corridor method in oak plantations establishment is advantageous for forest springtails, because the number of specimens per square meter on corridor plantation was higher than in tree group method. The beneficial effect on soil fauna of alternative methods of oak cultivation described in this paper weighs in favour of their wider application in silviculture.
    Źródło:
    Sylwan; 2018, 162, 07; 580-589
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ suszy na ściółkowo-glebowe zgrupowania skoczogonków (Collembola, Hexapoda) w lesie mieszanym
    Influence of drought on epigeic soil collembolan communities (Hexapoda) of moderately humid mixed deciduous forest
    Autorzy:
    Sławska, M.
    Sławski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/987116.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy mieszane
    sciolka lesna
    gleby lesne
    owady
    skoczogonki
    Collembola
    zgrupowania zwierzat
    bogactwo gatunkowe
    liczebnosc
    czynniki klimatyczne
    susza
    wysokie temperatury
    niedobor opadow
    soil fauna
    mature forest
    young plantation
    precipitation paucity
    indicator species
    Opis:
    The resilience of forest ecosystems to climate changes such as elevated temperature and frequent drought episodes, strongly depends on how the soil subsystems and its inhabitants responds to these perturbation. The epigeic soil Collembola communities of mature mixed deciduous forest and adjacent young plantation on moderately humid soil were compared in two consecutive years, out of which the second one was marked by significant deficiency of precipitation in growing− −season. The study plots were established on the area of experimental forests of Warsaw University of Life Science−SGGW in Rogów (central Poland). The objectives of the study was to assess the sensitivity of forest Collembola communities to drought stress and to check if the reaction depends on stand age. We also aimed to test if an indicator species of climate changes can be appointed. The results showed that three months drought episode had negative impact on forest Collembola communities of mature stands, while communities of young plantation were not affected. The reduction of total abundance of Collembola and clear changes in communities structure in mature stand was detected in the year of lower precipitation. The Collembola communities of young plantation were also significantly transformed, but in result of clear cutting and soil preparation. Therefore, the successional changes were the most evident process in these communities and there were no signs of drought influence. Among the most numerous species in Collembola communities of mature forest Isotomiella minor was appointed as an indicator of drought, because its abundance was drastically reduced in the year of lower precipitation. The small number of specimen of this species in young plantation may also prove its sensitivity to deficiency of humidity in soil. The significantly negative response to drought episode was documented also for Psuedosinella horaki, Micraphorura absoloni and Megalothorax minimus. Our study provided strong evidence that the drought, which lasted only three months, had a detrimental effect on forest Collembola commu− nities.
    Źródło:
    Sylwan; 2017, 161, 01; 71-80
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rola skoczogonków (Collembola, Hexapoda) w funkcjonowaniu ekosystemów leśnych
    The role of springtails (Collembola, Hexapoda) in forest ecosystems processes
    Autorzy:
    Sławska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1024205.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    materia organiczna
    ekosystemy lesne
    fauna glebowa
    sciolka lesna
    lesnictwo
    rozklad materii
    Collembola
    skoczogonki
    collembola
    soil food web
    decomposition
    forest ecosystem
    Opis:
    The paper provides a review of data on occurrence and importance of Collembola in forest ecosystems, emphasising their role in soil food web and nutrient cycling. Direct and indirect effect of sprintails on decomposition process in forest soils was presented.
    Źródło:
    Sylwan; 2004, 148, 07; 53-71
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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