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    Wyświetlanie 1-7 z 7
    Tytuł:
    Effect of the coniferous forest - grassland edge on ground vegetation in the mixed European forest zone, Lithuania
    Autorzy:
    Marozas, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/41375.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    coniferous forest
    grassland
    forest edge
    ground vegetation
    mixed forest
    species richness
    forest fragmentation
    Europe
    Lithuania
    Opis:
    The objective of this study was to estimate the edge effect on the species richness in agriculturally maintained forest-grassland boundaries of coniferous forest and to determine how species respond to a forest edge. We hypothesised that species number, cover of herbs and mosses is higher in the edge, and species penetrates from nearby grasslands into forest interior. The study was conducted in the Southwestern Lithuania. The edge effect on overall herbaceous species composition of coniferous forests was evaluated by Canonical Correspondence Analysis. The species richness of herbs and mosses in the coniferous forest was highest in the forest edge and declined towards interior. The highest decrease in the number of species occurred within 0 to 5 m to the edge. The highest cover of herbs and mosses was in the forest edge and decreased towards the forest interior. CCA biplot showed a good correlation of overall species composition and the distance to the forest edge. Distribution of species along edge to interior gradient depended on the species response to different ecological factors. Ellenberg value of light was higher in the edge. Ellenberg value of nitrogen was higher in the forest interior.
    Źródło:
    Dendrobiology; 2014, 71
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamics of changes in the structure of the forest edge in Slovakia
    Autorzy:
    škodová, Martina
    Gajdoš, Alfonz
    Powiązania:
    https://bibliotekanauki.pl/articles/471539.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
    Tematy:
    krawędź lasu
    różnorodność gatunków
    działania antropogeniczne
    Góry Starohorské
    forest edge
    species diversity
    anthropogenic activities
    Starohorské Mountain
    Opis:
    Forest edges generally represent a very important element of ecological stability. The goal of this paper is to classify the types of anthropogenic forest edges in the area of Starohorské Mountains and to analyze anthropogenic impacts on the selected attributes of forest edges. We evaluated the attributes of a biocomplex, type of forest edge, its structure, consistence, species composition and other factors. The differences in environment variables and anthropic impact were influenced by singularities in the composition and species variability of vegetation. In the monitored areas we defined seven types and four subtypes of forest edges according to its vertical and horizontal structure. With the help of detrended correspondence analysis (DCA) we also interpreted organization relevés and species by gradients of environment variables, and with the help of canonical correspondence analysis (CCA) we tested their statistical significance. From the results of our research, there is a clear tendency for high diversity of living species in the forest edge. Environmental variables interpreting the highest volume of species variability are the altitude and transect position.
    Źródło:
    Annales Universitatis Paedagogicae Cracoviensis Studia Geographica; 2010, 1 Dynamika zmian środowiska geograficznego pod wpływem antropopresji; 22-29
    2084-5456
    Pojawia się w:
    Annales Universitatis Paedagogicae Cracoviensis Studia Geographica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pełnik europejski Trollius europaeus L. w zbiorowiskach leśnych i okrajkowych północnej części Niziny Południowopodlaskiej
    Globe flower Trollius europaeus L. in forest and forest edge communities in the northern part of the Poludniowopodlaska Lowland
    Autorzy:
    Ciosek, M.T.
    Krechowski, J.
    Piórek, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1318569.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    fitosocjologia
    zbiorowiska lesne
    zbiorowiska okrajkowe
    gatunki chronione
    pelnik europejski
    Trollius europaeus
    wystepowanie
    stanowiska
    Nizina Poludniowopodlaska
    forest communities
    forest edge communities
    Po³udniowopodlaska Lowland
    Opis:
    The distribution of Trollius europaeus in the northern part of the Południowopodlaska Lowland was described and a phytosociological study made of the localities where it was present between 2010 and 2012. The condition of all sites where T. europaeus was historically present was also verified. These field studies reveal that the number of sites of occurrence and the abundance of T. europaeus populations have rapidly diminished over recent years. Only 15 populations of the species in the vicinity of 7 sites were confirmed. Trollius europaeus is usually considered a species characteristic of moist meadows of ordo Molinietalia and in the plant community type, Polygono bistortae-Trollietum. In the northern part of the Po³udniowopodlaska Lowland, no meadow sites containing Trollius europaeus still remain according to our survey. All the confirmed stands are situated in deciduous forests of class Querco-Fagetea (Tilio-Carpinetum and Potentillo albae-Quercetum) and moist forest edge communities of ordo Glechometalia. The disappearance of all meadow populations is mainly considered a result of intensification of the agricultural use of these habitats. We suggest that the category of threat to Trollius europaeus is increased on the regional list from VU to EN, and consolidated with further monitoring and active protection of stands where it is present.
    Źródło:
    Leśne Prace Badawcze; 2013, 74, 3; 233-243
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie danych satelitarnych i Systemu Informatycznego Lasów Państwowych w badaniach rozmieszczenia przestrzennego i wielkości szkód spowodowanych przez wiatr w drzewostanach wybranych obszarów Polski Północnej
    The use of satellite data and the System of National Forests in the study of spatial distribution and assessment of damages caused by wind storms in forests of chosen areas of Northern Poland
    Autorzy:
    Koziński, G. J.
    Nienartowicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/132315.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Geograficzne
    Tematy:
    wiatrołomy
    pozyskiwanie drewna
    las wtórny
    krajobraz
    wzorzec przestrzenny
    teledetekcja
    GIS
    GPS
    baza danych
    numeryczny model terenu
    brzeg lasu
    windthrows
    timber harvesting
    secondary forest
    landscape
    spatial pattern
    remote sensing
    database
    digital elevation model (DEM)
    forest edge
    Opis:
    The study presents the Geographic Information System created to analyse spatial distribution of wind-induced damages in forest stands of the Tuchola Forest, northern Poland, and in the vicinity of Toruń. It was used in several forest complexes mainly on the territory of the following Forest Districts in the Tuchola Forest: Woziwoda, Przymuszewo and Czersk, as well as in the Bory Tucholskie National Park. The following Forest Districts were analyzed in the vicinity of Toruń: Gniewkowo, Golub-Dobrzyń, Dobrzejewice and Toruń. The damages in Tuchola Forest were caused mainly by hurricanes in 26th of December 1999 and 22nd of June 2000. The dates of hurricanes caused the largest damages in the vicinity of Toruń were 17th of July 2001 and 28th of October 2002.
    Źródło:
    Teledetekcja Środowiska; 2014, 51; 57-72
    1644-6380
    Pojawia się w:
    Teledetekcja Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The vascular plants in the “Puszcza Notecka” forest roadside
    Autorzy:
    Mizera, P.
    Grajewski, S. M.
    Kasztelan, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/100975.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    forest roads
    road edge effect
    Scots pine
    pine forests
    vegetation cover
    Opis:
    This paper presents the edge effect of a very low-volume road on the belt of roadside vegetation in the “Puszcza Notecka”, Poland - one of the largest compact forest complexes in Europe. The observations were carried out in the vicinity of pine stands in the fresh coniferous forest and fresh mixed coniferous forest sites. Twelve rectangular experimental sites 30 and 50 meters wide at a distance of 0 to 10 meters from the edge surfaces were established. 75 species characteristic for the 13 phytosociological classes and 20 species associated devoided of the diagnostic value were recognized in the roadside area. Native species dominated, where the most numerous species belonged to meadow communities (Molinio-Arrhenatheretea) and ruderal (Artemisietea vulgaris). Despite the significant participation of synanthropic plants, there was no invasion of alien species.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/1; 1143-1156
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ oddziaływań brzegowych na roślinność polan leśnych w Sudetach Środkowych
    Influence of the edge effect on the vegetation of forest glades in the Middle Sudety Mts. (SW Poland)
    Autorzy:
    Pruchniewicz, D.
    Żołnierz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/989965.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gory
    Sudety Srodkowe
    Gory Sowie
    Gory Bardzkie
    Wzgorza Wlodzickie
    Wzgorza Wyrebinskie
    polany srodlesne
    oddzialywania brzegowe
    roslinnosc lakowa
    sklad gatunkowy
    roznorodnosc gatunkowa
    forest glades
    edge effect
    species composition
    functional groups
    species diversity
    Opis:
    The influence of the edge effect on the meadow vegetation pattern was studied in the forest glades in the central part of the Middle Sudety Mts. (SW Poland). The spectacular edge effect is seen in the range of 4 m from the forest border towards the center of the glades. Within that belt we observed decrease in tree and bush species number, increase in share of graminoids and Fabaceae species, as well as increase in share of species generally related to grassland communities. A significant increase in species number and values of Shannon−Wiener diversity index was noticed within the distance of eight meters from the edges of glades.
    Źródło:
    Sylwan; 2014, 158, 07; 524-530
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ efektu brzegowego drogi na cechy drzewostanów sosnowych Puszczy Noteckiej
    Edge-effect of the road on the Scots pine stands characteristics in the Notecka Forest
    Autorzy:
    Grajewski, S.M.
    Mizera, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989417.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Notecka
    drogi publiczne
    drogi o malym natezeniu ruchu
    oddzialywanie na srodowisko
    efekt brzegowy
    drzewostany sosnowe
    cechy taksacyjne
    zasobnosc drzewostanu
    miazszosc drzew
    road−edge effect
    diameter at breast height
    growing stock
    forest stand value
    very low−volume roads
    Opis:
    The development of the transportation network brings both benefits and threats. Much attention is paid to soil contamination with trace elements, difficulties in animal migration, noise propagation or synanthropisation of the vegetation cover. This paper deals with the effect of provincial road No. 150 on inventory characteristics of neighboring Scots pine stands in the Notecka Forest (western Poland) – one of the larger forest complexes in Europe. Twelve rectangular experimental sites were established perpendicular to the road axis, called belt transects. Each transect consisted of 3−4 plots located at different distances from the pavement edge (fig.). Measurements and estimations were recorded for the plots. Values from all belt transects were approximated within plots at the same distance from the road and then compared using statistical methods. Observations were conducted in Scots pine stands growing on fresh coniferous forest (Bśw) and fresh mixed coniferous forest (BMśw) sites. Reduced stand density that resulted in decreased basal area, volume and growth rates were observed in the immediate vicinity of the road compared to the forest interior. Individual trees were thicker, but more often burdened with defects decreasing timber value. Any considerable effect of the road on tree height wasn't observed. The above mentioned changes were more evident in poorer habitat conditions, while the location in relation to the road had no significant effect. Modified lighting conditions are probably the main cause of these changes. At the edge of Scots pine stands in the Notecka Forest, a unique ecotone has formed under the influence of the provincial road.
    Źródło:
    Sylwan; 2016, 160, 11; 915-922
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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