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    Wyświetlanie 1-9 z 9
    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:
    Ocena zywotnosci jesionu wynioslego [Fraxinus exelsior L.] w drzewostanach po powodzi w 1997 roku na terenie Nadlesnictwa Przytok
    Autorzy:
    Ubysz, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/811326.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany pokleskowe
    opor elektryczny
    tereny popowodziowe
    jesion wyniosly
    zywotnosc
    Fraxinus excelsior
    lesnictwo
    Nadlesnictwo Przytok
    metody oceny
    drzewa lesne
    Źródło:
    Sylwan; 2001, 145, 04; 57-65
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biegaczowate jako zooindykatory regeneracji drzewostanów sosnowych zaburzonych przez huragan w 2002 roku - wyniki obserwacji z lat 2003-2011
    Carabids as bioindicators of regeneration of Scots pine stands disturbed by a hurricane in 2002 - results of observations from 2003-2011
    Autorzy:
    Skłodowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/993268.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewostany pokleskowe
    drzewostany sosnowe
    drzewostany pohuraganowe
    regeneracja
    bioindykatory
    chrzaszcze
    biegaczowate
    Carabidae
    zgrupowania zwierzat
    struktura zgrupowan
    struktura gatunkowa
    ground beetles
    assemblages
    species diversity
    forest species
    mib
    Opis:
    During the period from 2003 to 2011 observations of carabid community regression and selected habitat indicators were conducted on 15 plots in stands that had been disturbed by a hurricane and on 15 plots in control stands. Regression of carabid communities delayed 3−4 years was observed, consisting in increases in the number of species and the proportion of xerophilous species and reductions in the percentage of forest fauna and in mean individual biomass. Only after 7 years did these indicators begin to show a tendency in the reverse direction, albeit not very strong, indicating that carabid communities had begun to regenerate.
    Źródło:
    Sylwan; 2013, 157, 05; 376-384
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza strat jakościowych i wartościowych w surowcu drzewnym w wyniku szkód huraganowych na przykładzie Nadleśnictwa Mircze (RDLP w Lublinie)
    The analysis of losses in timber quality and value resulting from the hurricane damage on the example of Mircze Forest District
    Autorzy:
    Nagadowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012502.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    huragany
    Nadlesnictwo Mircze
    drzewostany pokleskowe
    straty wartosciowe
    szkody w lesie
    straty jakosciowe
    RDLP Lublin
    surowce drzewne
    lesnictwo
    quality loss
    value loss
    timber
    hurricane
    Opis:
    The study presents analysis of the quality and value losses in timber in the selected stand in Mircze Forest District what was damaged by the hurricane. The analysis showed changes in the wood classification resulting from the timber depreciation and value losses being the result of lowering the total amount of timber sold after the hurricane and also the decrease in prices of timber.
    Źródło:
    Sylwan; 2008, 152, 07; 46-52
    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:
    Wytrzymałość na ściskanie wzdłuż włókien drewna sosny zwyczajnej uszkodzonej i nieuszkodzonej przez wiatr
    Compressive strength parallel to grain of Scots pine wood of wind-damaged and undamaged trees
    Autorzy:
    Jakubowski, M.
    Jelonek, T.
    Tomczak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/990848.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    uzytkowanie lasu
    drzewostany pokleskowe
    wiatry
    uszkodzenia drzew
    drzewostany sosnowe
    drzewa uszkodzone
    sosna zwyczajna
    Pinus sylvestris
    drewno sosnowe
    wytrzymalosc na sciskanie wzdluz wlokien
    wood properties
    strong wind
    scots pine
    wood defects
    Opis:
    Research was carried out in Scots pine (Pinus sylvestris L.) stands damaged by strong wind in six locations in Poland. The aim of this study was to analyse the radial variation of compressive strength parallel to grain in the wind−broken trees and neighbouring survivors. Strength tests were conducted in moisture above saturation fibre point. There were no significant differences in the radial distribution of the compressive strength between the compression side (breakage side) and the tension side (the opposite one). Either there were no significant differences between compression strength of damaged trees and neighbouring standing trees.
    Źródło:
    Sylwan; 2014, 158, 10; 787-794
    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:
    Gatunki Phytophthora i Pythium w glebie i w korzeniach dębu szypułkowego na terenach popowodziowych w Nadleśnictwie Wołów
    Phytophthora and Pythium species in soils and in roots of the pedunculate oaks in periodically flooded areas in Wolow Forest District
    Autorzy:
    Kwaśna, H.
    Szewczyk, W.
    Behnke-Borowczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989782.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tereny pokleskowe
    tereny popowodziowe
    drzewostany debowe
    drzewa lesne
    dab szypulkowy
    Quercus robur
    korzenie
    gleby lesne
    grzyby
    Phytophthora
    Phytium
    wystepowanie
    Nadlesnictwo Wolow
    pedunculate oak
    fungi
    globisporangium
    oomycota
    flood
    phytophthora
    pythium
    Opis:
    Phytophthora and Pythium species (Oomycota) are known to be serious pathogens of forest trees. Little is known, however, about their presence in Polish oak forests and their role in the oak decline, especially in the flooded areas. The aim of this study was (1) to detect and compare populations of microorganisms from Oomycota and fungi in roots and soil of healthy and declining pedunculate 30−126 years old oak stands, which had been flooded by the Odra River for three months in 1997 and one month in 2010, (2) to demonstrate the relationship between different chemical factors of soil and the occurrence of microorganisms, and (3) to assess the contribution of Oomycota to oak decline. Study was carried out in Wołów Forest District (south−western Poland). Microorganisms were isolated from fine (1−5 mm in diameter) roots and non−rhizosphere soil collected from 0−50 cm horizon. Isolation procedure from roots included surface sterilization and plating the root segments on the nutrient agar. An oak leaf baiting method was used for isolation of Oomycota from soil. Identification of microorganisms was based on morphology and sequencing of the ITS1/2 rDNA. Oomycota was represented by: Globisporangium, Phytophthora and Pythium and fungi mostly by: Aspergillus, Chaetosphaeria, Cylindrocarpon, Mortierella, Mucor, Penicillium, Trichoderma and Umbelopsis. Globisporangium attrantheridium (syn. Pythium attrantheridium) occurred locally and was found in roots of only one flooded oak. This is the first record of this species on oak and in Poland. G. intermedium, P. gibbosa/P. gregata, P. plurivora and Pythium sp. were found in soil of flooded and non−flooded (control) oak stands. The organisms occurred in podzolized brown soils, brown alluvial soils and gley soils that had most nitrogen (21−60 mg/kg), various amounts of calcium (61.1−347.6 mg/100g) and moderate acidity (pH=3.85−4.2). There was often a significant association between exposure to flood and the health status of oak trees assessed by the scale of defoliation. Oomycota seemed to be only moderately associated with increased tree defoliation as a symptom of oak decline.
    Źródło:
    Sylwan; 2015, 159, 07; 531-539
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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