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    Wyświetlanie 1-3 z 3
    Tytuł:
    Wybiórczość siedliskowa żuka leśnego Anoplotrupes stercorosus (Scriba) i żuka wiosennego Trypocopris vernalis (L.) (Coleoptera: Geotrupidae) w borze sosnowym świeżym w zależności od wieku drzewostanu
    Habitat selection by two species of dung beetle, Anoplotrupes stercorosus (Scriba) and Trypocopris vernalis (L.) (Coleoptera: Geotrupidae), changes with stand age in a fresh pine forest
    Autorzy:
    Marczak, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1318489.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    entomologia lesna
    owady
    Geotrupidae
    zuk lesny
    Anoplotrupes stercorosus
    zuk wiosenny
    Trypocopris vernalis
    wystepowanie
    wspolwystepowanie
    wybiorczosc siedliskowa
    bor sosnowy swiezy
    wiek drzewostanu
    ecology
    afforestation
    NW Poland
    Opis:
    In Poland, Anoplotrupes stercorosus (Scriba) and Trypocopris vernalis (L.), are very common throughout the whole country and belong to the most numerous representatives of the Geotrupidae family. Research on the habitat selectivity of Anoplotrupes stercorosus (Scriba) and Trypocopris vernalis (L.) was conducted in the years 2004-2006 in the Wipsowo Forest Inspectorate (Regional Forest Department in Olsztyn). The dung beetles were collected using Barber traps installed in a clear-cut comprising, 2, 3, 5, 8, and 16 year old thickets and tree-stands aged 30, 45, 60, 80, 100 and 135 years. According to phytosociology these tree-stands are a plant community of fresh continental pine forest (Peucedano-Pinetum), while typologically all sites are within the fresh coniferous forest. During the course of this research 29197 individual dung beetles were captured, including 23137 individuals of A. stercorosus and 6060 individuals of T. vernalis. Both species were caught at each research site. At nearly all sites A. stercorosus dominated. Only within the clear-cut area were the number of T. vernalis was higher than at other sites. Very many individuals of T. vernalis were present in the clear-cut area but their numbers decreased gradually with increasing tree-stand age. An opposite situation was noted for A. stercorosus. There was an interesting statistically-significant decrease in the abundance of both species in the middle-aged tree-stands – 30, 45 and 60-year-old. Analyzing the seasonal dynamics revealed one peak in the population of T. vernalis in July, whereas there were two peaks in the population of A. stercorosus: a small peak in July and a much larger peak in September. There was a significant negative correlation between the numbers of T. vernalis and tree-stand age (p<0.05, r =-0.57), and a significant positive correlation between the A. stercorosus population size and tree-stand age (p<0.05, r = 0.48).
    Źródło:
    Leśne Prace Badawcze; 2013, 74, 3; 227-232
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czy łowność i długość ciała dwóch gatunków żuków zależą od stopnia zaburzenia drzewostanu?
    Do catch rate and body length of two dung beetles species depend on the severity of the stand disturbance?
    Autorzy:
    Skłodowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/985714.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    stan srodowiska
    bioindykatory
    zukowate
    Geotrupidae
    zuk lesny
    Anoplotrupes stercorosus
    zuk wiosenny
    Trypocopris vernalis
    dlugosc ciala
    lownosc
    anoplotrupes stercorosus
    trypocopris vernalis
    litter layer
    environmental variables
    lai
    Opis:
    The catch rate and body length of Anoplotrupes stercorosus and Trypocopris vernalis were studied in 2018 on permanent plots established in 2003 in Scots pine stands left for spontaneous succession in the Piska Forest (N Poland). The plots comprised treatment A – severely disturbed stands (canopy cover of 10−30%), treatment B – moderately disturbed stands (canopy cover of 40−60%) and treatment C – the least disturbed stands in which all or nearly all trees survived (canopy cover of 70−90%). Each treatment class was replicated six times. In addition, we included a Scots pine plantation established in 2006 after the soil preparation as a stand in the earliest phase of succession. The following hypotheses were set: (1) severity of stand disturbance affects the body size of both species and (2) in the surviving remnants of stands (later phase of succession development) the body length of both species is greater than in disturbed stands and in the young plantation. No differences between the catch rate of both species in different treatments was detected (tab. 1 and 2). However we found significantly longer body of T. vernalis. The increase in the difference between the length of both species in the least disturbed stands as well as in the late stages of stand development was found (fig. 1 and 2). The direct effect of the LAI and inversely proportional effect of soil temperature on the catch rate and length of the body of A. stercorosus and, to a lesser extent, T. vernalis were observed (fig. 1). The high catch rate of A. stercorosus and the length of its body was linked with the soil covered only with forest litter (which occurs in dense stands with a high LAI index) (fig. 2). The catch rate of T. vernalis was correlated with the predominant nitrophilous Deschampsia fexuosa, which suggests the preferential occurrence of T. vernalis in ‘open’ stands with a high level of solar radiation. In turn, the length of T. vernalis body correlated with a high proportion of Calluna vulgaris, which may suggest a dependence of this parameter on light reaching the soil. The above observations indicate that in the production cycle of Scots pine stands, T. vernalis prefers open stands (especially clear−cuts, young plantations), while A. stercorosus is more often met in dense stands. The catch rate of both species is not suitable for zooindication research, while the length of their body is suitable. The higher the stage of ecological successive of the pine stand, the greater the difference in the body length of these species.
    Źródło:
    Sylwan; 2019, 163, 05; 425-434
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany liczebności żuka leśnego Anoplotrupes stercorosus (Hartm.) pod wpływem zalesień
    Autorzy:
    Byk, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023816.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zmiany liczebnosci
    zalesianie
    zukowate
    Puszcza Czluchowska
    Anoplotrupes stercorosus
    lesnictwo
    zuk lesny
    oddzialywanie na zwierzeta
    Geotrupidae
    geotrupidae
    anoplotrupes stercorosus
    afforestations
    poland
    Opis:
    The objective of this study was to learn to what degree the afforestations affected the seasonal dynamics and changes in population abundance of Anoplotrupes stercorosus (Hartm.). The beetles were caught in traps in the Człuchowska Primeval Forest in 1998−1999. A total of 51 814 individuals of A. stercorosus were caught. The obtained results have shown that the peak activity of this beetle falls on June and September, and the optimal habitat conditions are poletimber and mature stands. A. stercorosus colonised coniferous stands growing on former agricultural lands more frequently than the same stands growing on forest lands.
    Źródło:
    Sylwan; 2004, 148, 03; 28-34
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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