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    Wyświetlanie 1-8 z 8
    Tytuł:
    Wpływ czyszczeń późnych i trzebieży wczesnych na skład i strukturę zgrupowań biegaczowatych zamieszkujących drzewostany sosnowe
    The effect of late cleanings and early thinnings on the composition and structure of carabid assemblages of inhabiting pine forest
    Autorzy:
    Skłodowski, J.
    Zdzioch, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026369.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    struktura zgrupowan
    drzewostany sosnowe
    fauna
    sklad gatunkowy
    owady
    czyszczenia pozne
    lesnictwo
    biegaczowate
    Carabidae
    zabiegi pielegnacyjne
    trzebiez wczesna
    carabidae
    assemblage structure
    sbo
    mib
    late cleanings
    early thinnings
    Opis:
    The effect of late cleanings and early thinnings on carabid assemblages in a stand was established one year and three years following the treatment. Cuttings have caused changes in the composition of the main carabid species. The number of the representatives of the xerophilous, Palaearctic and Holarctic species has declined while the share of individuals of the autumn development type and of forest species has increased. Following the cuttings the SCP index and the Mean Individual Biomass have attained higher values. The results suggest that tending cuttings in the stand have a favourable effect on the carabid assemblages.
    Źródło:
    Sylwan; 2003, 147, 03; 57-64
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biegaczowate (Carabidae, Col.) drzewostanów Puszczy Piskiej zniszczonej przez huragan - rok "zero"
    Autorzy:
    Skłodowski, J.
    Zdzioch, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022635.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    fauna
    drzewostany pokleskowe
    owady
    Puszcza Piska
    lesnictwo
    biegaczowate
    Carabidae
    carabidae
    windthrow
    windbreak
    hurricane
    forest
    regeneration succession
    Opis:
    Exceedingly violent winds can result in windbreak and in windthrow. It has happened in summer of 2002 in Pisz Forest District (north part of Poland). Strong wind damaged about 30 000 hectares of pine forest. In most situations, damaging wind resulted in windthrow rather than windbreak. In total 30 plots were selected for the studies, 15 plots in Pisz forest (damaged by wind) and 15 control plots in Maskulińskie District Forest (not damaged by wind). There were distinguished 5 age variants of stands, all of them in three recapitulations. The five age classes of stands were: I class (20−30 years old), II class (30−40 y.), III class (40−50 y.), IV class (50−70 y.) and V class (above 70 years old). In total 4 000 carabids individuals belonging to 46 species were caught during studies. The wards analy− sis showed substantial diference of carabid assemblages occurring in damaged and non damaged forest. In damaged forest, small zoophages, hemizoophages, an open area or eurtyopic species, xerophilus species were frequently observed. Substantial differences in mean individual biomass of assemblages occurring in damaged and non damaged forest were also observed.
    Źródło:
    Sylwan; 2005, 149, 05; 43-51
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wartość rekreacyjnej funkcji lasu w świetle wyników ogólnopolskiego badania opinii społecznej
    Value of leisure-related function of forest in view of the results of nationwide survey in Poland
    Autorzy:
    Skłodowski, J.
    Gołos, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989348.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    funkcje lasu
    funkcje rekreacyjne
    wartosc rekreacyjna
    hipotetyczna gotowosc finansowania
    opinia spoleczna
    badania ankietowe
    ce method
    wtp
    education
    age
    respondents' financial situation
    forest management for tourist purposes
    Opis:
    Driven by social and economic changes, which have taken place for the last 30 years, the European forest management objectives have been redefined. By the action of public opinion, forest management, increasingly frequently and in a broader range, focuses on public benefits from forests. One of the most important functions is the possibility of leisure and recreation in the forest. The purpose of the research was the analysis of the hypothetical readiness to finance the leisure−related function of forest based on WTP (Willingness To Pay) amount. A question, which enabled the assessment of a social value of leisure−related function of forest, was asked to a random−quota sample of 1000 people over 18 years of age during the nationwide survey carried out in 2013 by TNS Polska. Out of 1000 respondents, the WTP>0 was declared by 29% respondents. Surveyed persons indicating forest with poorer infrastructure declared higher values calculated per household (PLN 13.59 ±0.84) than respondents who selected a better managed forest (PLN 12.86 ±0.88, PLN 12.91 ±1.46). The average WTP amount per person for respondents with the university degree (bachelor and master degree) was PLN 6.23 ±0.48, whereas for respondents with lower education, it was on the level of PLN 5.26 ±0.25. The average WTP also depended on the age of respondents. It was PLN 11.42 ±1.43 for 20−year−olds per family, whereas for 40−year−olds it was PLN 14.16 ±1.05. The average WTP per person increased along with the age of respondents; from PLN 4.37 ±0,42 (20−year−olds) to PLN 6.00 ±1.11 (80−year−olds). Disregarding the top WTP value per household of respondents in the worst financial situation (20.00 ±10.00), the average WTP value per household increased from PLN 10.26 ±1.69 (in poor financial situation) to PLN 14.55 ±2.97 (very well−off).
    Źródło:
    Sylwan; 2016, 160, 09; 759-766
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zróżnicowanie wielkości ciała wybranych gatunków biegaczowatych w ekosystemach leśnych Puszczy Piskiej zaburzonych przez huragan w 2002 roku
    Body size differentiation in selected carabid species inhabiting Puszcza Piska forest ecosystems disturbed by the hurricane in 2002
    Autorzy:
    Garbalińska, P.
    Skłodowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013382.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    huragany
    Carabus arcensis
    Carabus violaceus
    kleski zywiolowe
    lesnictwo
    wielkosc ciala
    zmiennosc
    Pterostichus niger
    drzewostany pokleskowe
    owady
    Puszcza Piska
    zgrupowania zwierzat
    biegaczowate
    Carabidae
    body size
    carabus arcensis
    carabus violaceus
    pterostichus niger disturbance
    hurricane
    intraspecific differentiation
    Opis:
    Intraspecific differentiation in body size was investigated for Carabus arcensis, C. violaceus and Pterostichus niger populations inhabiting pine forests disturbed by the hurricane and non−disturbed ones. Post−hurri−cane stands were localized in Szast Reference Forest (Pisz Forest District, NE Poland) disturbed by the hurricane in July 2002 and left "untouched" as an experimental area. Non−affected stands were set in Maskulińskie Forest District (NE Poland). Beetles were sampled using pitfall traps. The hurricane contributed to significant reduction in both C. arcensis and C. violaceus body length. However, an opposite trend was observed for P. niger, which increased considerably in body size in disturbed stands compared to control ones. The most pronounced changes were observed in 2007. Differences in habitat preferences and food resources utilization of C. arcensis, C. violaceus and P. niger are discussed.
    Źródło:
    Sylwan; 2008, 152, 11; 3-15
    0039-7660
    Pojawia się w:
    Sylwan
    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
    Tytuł:
    Zmiany zgrupowań biegaczowatych zamieszkujących drzewostany zaburzone przez huragan – wyniki pierwszych 6 lat obserwacji w Puszczy Piskiej
    Changes in ground beetle assemblages inhabiting forest stands disturbed by the hurricane - the results of the first 6 years of the observations in Puszcza Piska Forest
    Autorzy:
    Skłodowski, J.
    Garbalińska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009397.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Piska
    drzewostany pokleskowe
    drzewostany pohuraganowe
    owady
    biegaczowate
    Carabidae
    zgrupowania zwierzat
    liczebnosc
    zmiany skladu gatunkowego
    hurricane
    disturbance
    post−hurricane stands
    carabidae
    ground beetles
    assemblages structure
    mib
    spc/mib model
    Opis:
    A survey on the structure and species composition of ground beetle assemblages inhabiting forest stands disturbed by the hurricane was carried out. During the first 6 years after the hurricane two distinct phases of carabids response to the disturbance could be observed. The first 3 years were characterised by relatively minor, although mostly statistically significant changes in carabids abundance, mean individual biomass and assemblages structure. In the 4th year after the hurricane, the second phase started comprising profound changes in all analysed parameters. The state of development of ground beetle assemblages inhabiting disturbed stands worsened considerably, however it did not reach the very low level recorded in assemblages inhabiting clear−cuts. The study revealed that the regression of carabid assemblages in post−hurricane stands occurred with a time lag of 3 years after the hurricane. Moreover, no symptoms of carabid assemblages regeneration could be observed.
    Źródło:
    Sylwan; 2010, 154, 08; 552-568
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preferowany typ drzewostanu i czynniki decydujące o atrakcyjności turystycznej drzewostanu w opinii społecznej
    Preferred type of forest stand and factors deciding about the tourist attractiveness of the forest
    Autorzy:
    Skłodowski, J.
    Gołos, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989914.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    funkcje rekreacyjne
    atrakcyjnosc turystyczna
    typy lasow
    preferencje spoleczne
    badania ankietowe
    opinia spoleczna
    leisure−related function of forest
    social preferences
    semantic differential
    Opis:
    The objective of the paper is to analyse the social preferences to the type of the forest stand and factors deciding about the tourist attractiveness of the forest. Data was collected during the nationwide surveys carried out in 2013 on the random representative sample of 1000 respondents above 18 years of age. The surveyed persons do not indicate strong preferences for deciduous or coniferous forest stands. The analysis of preferences for different types of forest stands with regard to respondents' sex did not confirm the importance of differences. Instead they suggest that respondents of different age tend to change their preferences with time – from broadleaved forest (the youngest respondents) to coniferous forest. Respondents in poor financial standing choose deciduous forest and mixed broadleaved forest, and people in good and very good financial standing – a coniferous forest stand, or rather a mixed one. What makes a forest stand attractive is mostly the forest's appearance and the nature along with the abundance of species, and the least, the presence of water or culture and historic sites. The older the respondents are, the more they appreciate silence and relaxation far from other people, as well as nature along with its abundance of fruits and fungi to be collected, while the least important is the diversity of land. Respondents with higher education (university degree) indicate the availability of land and the presence of waters as the most important features which decide of the attractiveness of forest, whereas people with the lowest education level – nature along with its abundance of species and the forest appearance. Respondents, who are in the best financial situation declare the appearance and the presence of lakes and rivers (features related to leisure), to be the most important factors which decide about tourist attractiveness of forest, and people in poor and very poor financial situation indicated: nature along with the abundance of species, availability of forest, places related to culture and religion, nature reserves, and tourist infrastructure.
    Źródło:
    Sylwan; 2015, 159, 09; 747-756
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Próba oceny wpływu szerokości szlaków turystycznych na otaczające je środowisko lasu
    An attempt to assess the effect of tourist trail width on adjacent forest environment
    Autorzy:
    Skłodowski, J.
    Bartosz, S.
    Dul, L.
    Grzybek, D.
    Jankowski, S.
    Kajetanem, M.
    Kalisz, P.
    Korenkiewicz, U.
    Mazur, G.
    Myszek, J.
    Ostasiewicz, M.
    Primka, B.
    Puczyłowska, I.
    Radzikowski, M.
    Roeding, P.
    Serek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009663.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    turystyka
    zwiezlosc gleb
    wskazniki ekologiczne
    oddzialywanie na srodowisko
    wysokosc
    runo lesne
    lasy
    erozja gleb
    lesnictwo
    szlaki turystyczne
    tourist trails
    environmental changes
    soil compaction
    erosion
    height of herbaceous vegetation
    plant life forms
    indicator figures
    Opis:
    The impact of narrow (up to 2 m), medium (up to 3.5 m) and wide (>3.5 m) tourist trails on the surrounding environment was investigated. On wide trails, the value of soil erosion and compaction indices was found to be the highest, while the herb height index was the lowest indicating the greatest impact of wide trails on the environment. The phytosociological relevés were used to determine ecological indicator figures. Wide trails were characterized by higher thermal and continentalism indices and lower pH and trophic indices. The proportion of therophytes and geophytes was higher, while of hemicryptophytes, phanerophytes and chamaephytes on wide trails were lower than on medium and narrow trails. All the analysed indices pointed to a stronger impact of wide trails on the environment in comparison with medium and narrow trails.
    Źródło:
    Sylwan; 2009, 153, 10; 699-709
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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