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    Wyświetlanie 1-3 z 3
    Tytuł:
    Changing Land Use in Recent Decades and Its Impact on Plant Cover in Agricultural and Forest Landscapes in Poland
    Autorzy:
    Bomanowska, Anna
    Kiedrzyński, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/764910.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    cultural landscape
    human disturbance
    land use changes
    regeneration
    secondary succession
    vegetation dynamics processes
    Opis:
    The objective of this paper is to present the effects of general changes in land use in recent decades on plant cover structure in Poland. The paper is focused on spontaneous processes that occur in agricultural and forest areas being no longer under human pressure. Studies carried out in different geobotanical regions of Poland demonstrated that the directions and range of dynamic changes in plant cover are similar across the country. The formation of secondary forest phytocenoses, on the lands delivered from human activity is a common ecological process observed today in the agricultural landscape. In the dynamics of forest vegetation the basic process is regeneration after ceased use, and the introduction of legal protection.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2011, 7; 5-26
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regeneration of Nardus stricta subalpine grasslands in the Giant Mountains [Krkonose]
    Autorzy:
    Hejcman, M
    Nezerkova, P.
    Pavlu, V.
    Gaisler, J.
    Lokvenc, T.
    Pavlu, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/57507.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    generative reproduction
    grassland
    arable land succession
    regeneration
    subalpine grassland
    Giant Mountains
    Nardus stricta
    Opis:
    The origin of Nardus stricta dominated subalpine grassland (Nardo-Caricion rigidae alliance) is a frequently discussed topic in the Giant Mountains (Karkonosze in the Czech Republic). Many researchers considered them, as secondary stands arisen after Pinus mugo removal and by consequent oligotrophization of original plant communities, caused by long-term rough grazing and hay making activities without manuring. On the contrary, they are recognized as natural due to inability of generative reproduction of N. stricta and the very slow vegetative spread there. The aim of this study was to find proofs for generative reproduction of mat grass in subalpine conditions of the Giant Mountains. We identified a Pinus mugo nursery with arable land abandoned in 1956 and compared its vegetation with that of the surrounding area. Dense and homogenous sward dominated by N. stricta developed during the succession on the old arable land for 48 years, and it is an indisputable proof of generative reproduction of N. stricta there. Synthesizing historical facts on human activities in the past and the results of our contemporary vegetation analysis, we conclude that the Nardo-Caricion rigidae grassland was capable to spread relatively quickly, when agricultural activities above the upper timber line were introduced.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zgrupowania biegaczowatych (Coleoptera, Carabidae) w trzecim roku regeneracji drzewostanów Puszczy Piskiej zniszczonych przez huragan
    Ground beetle assemblages [Coleoptera, Carabidae] in the third year of regeneration of pine forests in Piska Forests destroyed by a hurricane
    Autorzy:
    Skłodowski, J.
    Garbalińska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1016025.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    regeneracja
    huragany
    fauna
    drzewostany pokleskowe
    Puszcza Piska
    zgrupowania zwierzat
    lesnictwo
    biegaczowate
    Carabidae
    ground beetles
    carabid beetles
    carabidae
    destroyed stands
    damaged stands
    hurricane
    regeneration
    succession
    windbreak
    windthrow
    Opis:
    The paper presents the results of a three−year research on ground beetle (Carabidae) assemblages conducted in the stands of the Piska Primeval Forest damaged by the 2002 hurricane and in control stands. Observations were carried out in the stands categorised into 5 age classes: class I (20−40 years), class II (40−50 years), class III (50−60 years), class IV (60−70 years) and class V (over 70 years). Beetles were caught using modified Barber's traps. The soil CO2 efflux rate and C:N ratio were measured. The Ward cluster analysis and Canonical Correspondence Analysis (CCA) clearly distinguished between carabid assemblages in the stands damaged by the hurricane and control stands. In damaged stands there was an increase in the number of Carabidae species with the simultaneous decrease in their abundance. The proportion of forest and European species has been considerably reduced. A marked decline in abundance of hygrophilous species in favour of xerophylous ones was also noted. The observed reduction in the SPC (Sum of Progressive Characteristics) index may indicate the preservation of changes in carabid assemblages and that their regeneration has not yet started.
    Źródło:
    Sylwan; 2007, 151, 04; 49-63
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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