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    Wyświetlanie 1-5 z 5
    Tytuł:
    Forest Return on an Abandoned Field – Secondary Succession Under Monitored Conditions
    Autorzy:
    Adamowski, Wojciech
    Bomanowska, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/764953.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    abandoned field
    long-term study
    permanent plots
    species turnover
    vegetation succession
    Białowieża Forest
    Polska
    Opis:
    The secondary succession pattern observed on an arable field abandoned since 1974 in Tilio-Carpinetum habitat is described and disscussed. Results obtained during 36 years of study confirm that succession on an abandoned field leads from a typical segetal community to the formation of a juvenile treestand composed of pioneer species. Our study supports the view that succession is a process which is largely dependent on the initial conditions and surrounding vegetation. The results indicate that some species can modify the course of this process, accelerating or slowing it down. Limitations of the method and prognosis of future vegetation development are also discussed.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2011, 7; 49-73
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Opracowanie Księdza Profesora Rektora Mariana Rechowicza na temat diakonatu stałego z 1961 roku
    The Study about the Permanent Diaconate since 1961 by Rev. Professor Rector Marian Rechowicz
    Autorzy:
    Białkowski, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/469592.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    Sobór Watykański II
    Kościół katolicki w Polsce
    ksiądz profesor Marian Rechowicz (1910–1983)
    opracowanie dotyczące odnowy diakonatu stałego w Polsce
    diakonisy
    Second Vatican Council
    Catholic Church in Poland
    Priest Professor Marian Rechowicz (1910–1983)
    study on the renewal of the permanent diaconate in Poland
    diaconata
    Opis:
    Przywrócenie diakonatu stałego w Kościele katolickim było jednym z kilku tematów żywo dyskutowanych w okresie przygotowań do Soboru Watykańskiego II. W 1961 r. opracowanie na ten temat sporządził ks. prof. Marian Rechowicz (1910–1983), ówczesny rektor Katolickiego Uniwersytetu Lubelskiego. Dokument Zagadnienie instytucji diakonatu z punktu widzenia sytuacji i potrzeb Kościoła w Polsce, został rok później opublikowany w języku niemieckim. Do chwili obecnej nie jest znany szerokiemu gronu odbiorców, stąd warto przywołać jego najważniejsze tezy. Autor dostrzega wiele problemów, jakie pojawiłyby się w przypadku ustanowienia tej posługi w Kościele w Polsce. Wskazuje na brak tradycji diakonatu stałego w Polsce, wysoki wskaźnik powołań kapłańskich oraz problem kosztów utrzymania (diakona i jego rodziny), przy ograniczonych możliwościach finansowych parafii. Zaleca natomiast, by wprowadzić posługę diakonis – sióstr zakonnych, których zadaniem byłoby: nauczanie religii; prowadzenie działalności charytatywnej; roznoszenie Komunii św. chorym; przewodniczenie w nabożeństwach nieliturgicznych. Tym samym propozycja ks. prof. Mariana Rechowicza odbiega znacząco od rozwiązań doktrynalnych, przyjętych przez Sobór Watykański II.
    The restoration of a permanent diaconate in the Catholic Church was one of the issues extensively discussed during the preparations for Vatican II. In 1961, Rev. Prof. Marian Rechowicz (1910–1983), at that time the rector of the Catholic University of Lublin, prepared a study on this subject. The document Zagadnienie instytucji diakonatu z punktu widzenia sytuacji i potrzeb Kościoła w Polsce (The Institution of Diaconate in Terms of the Situation and Needs of the Church in Poland) was published in German one year later. It has been unknown to a wider audience so far; therefore, it is worth recalling the most important theses. The author notices many problems that would appear, if this kind of ministry were established in the Church in Poland. He indicates a lack of tradition of the permanent diaconate in Poland, a high rate of priestly vocations, and the problems of the costs related to a deacon and his family support, taking into account the limited financial capabilities of a parish. However, he recommends implementation of a ministry of deaconesses – nuns, whose tasks would include: teaching of religion, charity activities, distribution of Holy Communion to ill parishioners, and leading of non-liturgical services. Thus, the recommendation of Rev. Prof. Marian Rechowicz significantly differs from the doctrinal solutions approved by Vatican II.
    Źródło:
    Studia Koszalińsko-Kołobrzeskie; 2019, 26; 35-57
    1230-0780
    2719-4337
    Pojawia się w:
    Studia Koszalińsko-Kołobrzeskie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura i dynamika wielogeneracyjnych starodrzewów sosnowych występujących w obszarach ochrony ścisłej Kaliszki i Sieraków w Kampinoskim Parku Narodowym. Część 1. Zróżnicowanie gatunkowe, zagęszczenie i pierśnicowe pole przekroju
    Structure and dynamics of uneven−aged Scots pine−dominated old−growth stands in Kaliszki and Sieraków strict protection areas in the Kampinos National Park. Part 1. Species composition, tree density and basal area
    Autorzy:
    Brzeziecki, B.
    Zajączkowski, J.
    Olszewski, A.
    Bolibok, L.
    Andrzejczyk, T.
    Bielak, K.
    Buraczyk, W.
    Drozdowski, S.
    Gawron, L.
    Jastrzębowski, S.
    Szeligowski, H.
    Żybura, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/978936.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    forest dynamics
    long−term research
    old−growth forest
    permanent study plot
    strict protection
    tree
    species composition
    Opis:
    The paper describes changes, which took place over the last 30 years in old−growth forest stands occupying two permanent research plots, established in the Kaliszki and Sieraków strict protection areas in the Kampinos National Park (central Poland). Both plots have a form of ecological transects. The Kaliszki plot is 20 m wide and 700 m long (1.40 ha), while the Sieraków plot (total area of 2.56 ha) consists of two parts: main (40×460 m) and side (40×180 m) transect. In the Kaliszki plot, the stand measurements were conducted in 1993, 2007, and 2017, while in the Sieraków plot – in 1989, 1994, 2006, and 2017. For every tree with breast height diameter (DBH) 5 cm, species identity, DBH and spatial coordinates were determined. Starting from the second census, all trees which had died (‘losses’), as well as trees which exceeded the DBH threshold (‘gains’) since the previous record were noted, as well. The major tree species occurring on sample plots are Scots pine (Pinus sylvestris), pedunculate oak (Quercus robur), silver and downy birch (Betula sp.), and black alder (Alnus glutinosa). During the study period, the overall tree density declined by ca. 50%. The diminishing trends occurred for all dominant tree species. In contrast to major, dominant tree species, the demographic status of a group of minor tree species (lime, hornbeam and maple) was much more stable. One may even speak about some expansion in this case. Particularly, hornbeam density increased rapidly in the period 2006−2017 in some areas of the main transect located in the Sieraków plot. The future studies will show if this tendency will be maintained and will include other regions of sample plots. Assuming a lack of significant disturbances, one may expect that the stands growing on research plots will rather slowly change in the nearest future. Most dynamics will have a quantitative and not qualitative character. One may anticipate, for example, a growing role of pedunculate oak at the expense of Scots pine, however, considering that the two species are rather long−living, they will probably for a long time keep their dominant roles in the stand canopies.
    Źródło:
    Sylwan; 2020, 164, 05; 392-403
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura i dynamika wielogeneracyjnych starodrzewów sosnowych występujących w obszarach ochrony ścisłej Kaliszki i Sieraków w Kampinoskim Parku Narodowym. Część 2. Procesy zamierania i dorastania oraz ich wpływ na rozkład grubości drzew
    Structure and dynamics of uneven−aged, Scots pine−dominated, old−growth stands in Kaliszki and Sieraków strict reserves in Kampinos National Park. Part 2. Tree mortality and recruitment processes and their effects on tree diameter distributions
    Autorzy:
    Brzeziecki, B.
    Zajączkowski, J.
    Olszewski, A.
    Bolibok, L.
    Andrzejczyk, T.
    Bielak, K.
    Buraczyk, W.
    Drozdowski, S.
    Gawron, L.
    Jastrzębowski, S.
    Szeligowski, H.
    Żybura, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/979128.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    demographic non−equilibrium
    diameter structure
    long−term study
    old−growth forest
    permanent study
    plot
    scots pine
    strict protection
    Opis:
    Two fundamental demographic processes (tree recruitment and mortality) are analyzed for forest stands growing on permanent study plots located in strictly protected Scots pine−dominated, old−growth stands of Kampinos National Park (central Poland). The major implications of the observed demographic trends for the general shape of tree size distributions are determined, as well. During the past ca 30 years, in the stands sampled, there was a pronounced lack of balance between mortality and recruitment processes. Mortality rate was eight times higher than recruitment rate. Eventually, there was a net significant decline in population density, observed for all major tree species, including Scots pine, pedunculate oak, silver and downy birch, and black alder. As mortality processes affected mainly smaller trees, there was also a significant deterioration of the general demographic status of most important tree species. This effect was shown by the change of the overall shape of diameter distributions over the study period: from reverse J−shaped to flat curves running nearly parallel to X−axis. The values of recruitment rates were markedly lower, and the values of mortality rates – significantly higher, than analogous values characterizing comparable forests (e.g., those obtained for the natural stands of Białowieża National Park). Low recruitment rates, as obtained for Kampinos stands, suggest that presently, in the local, Scots pine−dominated, old−growth stands, the general conditions for forest regeneration and for maintaining a long−term demographic stability are unfavorable. Most probably, the regeneration of this type of forest has an episodic, ‘wave−like’ character and corresponds to the ‘catastrophic’ model, according to which the successful regeneration of current dominants (especially Scots pine, silver and downy birch, black alder) must be preceded by a stand−initiating (stand−replacing) disturbance, leading to total or partial, but heavy, destruction of the currently existing stand. At the moment, it would be difficult to predict, however, if and when such a disturbance will affect the stands under investigation. Thus, we predict that in the nearest future at least, the state of overall demographic unbalance will continue or even increase.
    Źródło:
    Sylwan; 2020, 164, 06; 443-453
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tempo i kierunki zmian składu gatunkowego drzewostanów naturalnych w wybranych zbiorowiskach leśnych Puszczy Białowieskiej
    Rate and direction of changes in tree species composition of natural stands in selected forest associations in the Bialowieza Forest
    Autorzy:
    Paluch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1313006.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    drzewostany naturalne
    zbiorowiska lesne
    sklad gatunkowy
    bor swiezy brusznicowo-sosnowy
    bor mieszany trzcinnikowo-swierkowy
    grad miodownikowo-grabowy
    grad typowy
    grad trzcinnikowy
    leg olszowo-jesionowy
    zmiany skladu gatunkowego
    podobienstwo skladu gatunkowego
    stale powierzchnie obserwacyjne
    hornbeam expansion
    natural stands
    permanent study plots
    ash dieback
    Białowieża forest
    Opis:
    The main aim of the study was to determine changes in the species composition and structure of natural tree stands in the Białowieża Forest (BF), which occurred in the years 1975-2012, as well as to evaluate their trends, directions and rate. The study was carried out on 121 permanent research plots (50×50m), which represented the most important forest phytocenoses in BF, i.e. fresh pine-whortleberry forest Vaccinio vitis-idaeae-Pinetum Sokoł. 1980, fresh mixed spruce-reed grass forest Calamagrostio-Piceetum Soko³. 1968, oligotrophic form of hornbeam - bastard balm forest Melitti-Carpinetum Soko³. 1976, different forms of linden- hornbeam forest: Tilio-Carpinetum Tracz. 1962, alder-ash forest Fraxino-Alnetum W. Mat. 1952 and sub-boreal spruce forest on bog moss Sphagno girgenshonii- Piceetum Polak. 1962. On the plots selected, there was measured the diameter at breast height (DBH) of all trees, as well as every tree and shrub up to 1.3 m high was counted and described with reference to species. The measurements and observations were regularly repeated every 10-15 years. The results showed that over the last period of nearly 40 years, there has increased a share of common hornbeam Carpinus betulus L. in the structure of forest stands in numerous BF associations. This tree species has expanded into different forest habitats including poor, medium fertile and wetland sites. The results obtained indicate a trend towards formation of linden-hornbeam forests in BF phytocenoses. The most evident changes were recorded in hornbeam - bastard balm forest. In natural conditions of the majority of forest associations analyzed, there prevailed hornbeam trees in forest regeneration, except for the stands in fresh mixed pine forest and spruce forest on bog moss. In the latter two cases, hornbeam showed signs of its presence in the last observation period. Norway spruce (Picea abies L.) retreated into oligotrophic forest associations. In the recent decades, spruce populations have been dramatically reduced in the stands in mixed coniferous and different kinds of broadleaved forests. There have also decreased a share of light-demanding tree species, such as Scots pine (Pinus silvestris L.), pedunculate oak (Quercus robur L.) and silver birch (Betula pendula L.) in BF tree stands, including their regeneration-layer. Especially, Scots pine regeneration has not been successful. In the short period of time (about 15 years) there has been observed rapid and outsized reduction of ash Fraxinus excelsior L. populations in natural conditions of alder-ash forests. All through the last 10-15 years, there has been also observed increased rate of change in stand species composition. The trend and rate of change in stand species composition point out to a possibility of human intervention towards stimulation of natural regeneration so as to preserve valuable populations of threatened tree species in the Białowieża Forest.
    Źródło:
    Leśne Prace Badawcze; 2014, 75, 4; 385-406
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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