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    Wyświetlanie 1-5 z 5
    Tytuł:
    Chrząszcze w pokarmie kuny kamionki Martes foina i kuny leśnej Martes martes
    Autorzy:
    Skłodowski, J.
    Posłuszny, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022136.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drapiezniki
    kuna lesna
    Coleoptera
    Martes martes
    kuna kamionka
    chrzaszcze
    Martes foina
    lesnictwo
    analiza skladu pokarmu
    martes foina
    martes martes
    diet
    coleoptera
    carabidae
    Opis:
    The paper is an analysis of 225 excrements of beech and pine martens with regard to species composition of beetles consumed by these animals. On the basis of consumed species a hypothesis was put forward about the penetration of trunks, branches and hollows of trees with loose bark and litter.
    Źródło:
    Sylwan; 2005, 149, 10; 61-66
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ pory roku i dostępności gryzoni leśnych na skład pokarmu puszczyka Strix aluco w warunkach mozaiki polno-leśnej środkowej Polski
    Influence of season and availability of forest rodents on diet composition of tawny owl Strix aluco inhabiting field-forest mosaic in central Poland
    Autorzy:
    Gryz, J.
    Krauze-Gryz, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/989671.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    ornitologia
    sowy
    puszczyk
    Strix aluco
    sklad pokarmu
    gryzonie
    analiza skladu pokarmu
    mozaika srodowisk polno-lesnych
    dostepnosc pokarmu
    pory roku
    wybiorczosc pokarmowa
    pellets
    rodents trapping
    functional response
    season
    prey selectivity
    Opis:
    The aim of the study was to characterize the diet composition of tawny owl in relation to environmental variables: season and availability of small rodents. Study area was located in central Poland, in Łódź voivodship, in the area of Rogów Forest District. It comprised of a mosaic of forests and arable lands. The study was done in the years 2003−2010. Pellets were collected at least twice a year in 18 tawny owl territories. Material collected between April and September was categorised as coming from spring−summer, while this from October−March period as autumn−winter season. Simultaneously, in the years 2004−2007, changes in the number of small rodents were monitored by live−trapping. Standard procedures of pellet analyses were used to identify 1926 prey items. Generally, diet composition was dominated by small rodents. Yet, their share was significantly higher in autumn−winter season (71.3 vs. 57.3%). Among rodents, yellow−necked mice, common voles and bank voles were caught most often. Soricomorphs accounted for 3% of prey items in both seasons on average. Birds formed approximately 15% of prey items and their share was comparable in warm and cold half year. On the other hand, in a warmer period owls preyed on invertebrates more often (23.0 vs. 7.5%). A breadth niche was wider in a warm (D=4.01) half year than in cold one (D=3.36). When a peak of rodent number was recorded, owls preyed on bank voles twice as often as compared to other years (increase from 6.4 to 11% of prey items), while an increase in the consumption of yellow−necked mouse was lower (from 27.5 to 34.2%). Tawny owls preferred yellow−necked mice and bank voles were avoided. This study showed that in the Rogów Forest tawny owl is an opportunistic predator. However, composition of its diet does not absolutely reflect the structure of assemblage of small mammals as certain species are preferred.
    Źródło:
    Sylwan; 2016, 160, 01; 57-63
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza składu chemicznego gleby i pokarmu muflonów w Górach Sowich
    Analysis of chemical composition of soil and mouflon diet in the Sowie Mountains
    Autorzy:
    Czyżowski, P.
    Karpiński, M.
    Drozd, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013116.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lowiectwo
    sklad chemiczny
    gleby
    mikroelementy
    lesnictwo
    muflon
    makroelementy
    Gory Sowie
    analiza chemiczna
    Ovis musimon
    metale ciezkie
    analiza skladu pokarmu
    ostoje
    chemical composition
    soil
    forest vegetation
    element deficiency
    sowie mountains
    Opis:
    Paper focuses on content of macro− and microelements as well as heavy metals in the soil and vegetation (herbaceous plants, browsed shoots, peeled bark and browsed needles) constituting a food base of mouflon Ovis musimon. The material was collected from the territory of the mouflon refuges located in the Mouflon Breeding Centre in the Sowie Mountains. The aggregated results were related to the altitude. The analysis of the material did not show deficiency of basic mineral elements. The lead and cadmium levels in the soil and vegetation did not exceed the NRC standards.
    Źródło:
    Sylwan; 2008, 152, 08; 59-65
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Owady w pokarmie puszczyka (Strix aluco) na terenach leśnych w środkowej i północno-wschodniej Polsce
    Insects in the diet of the tawny owl (Strix aluco) in forest areas of central and north-eastern Poland
    Autorzy:
    Skłodowski, J.
    Gryz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/995758.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lasy
    sowy
    puszczyk
    Strix aluco
    sklad pokarmu
    wypluwki
    analiza skladu pokarmu
    owady
    wykaz gatunkow
    Puszcza Kampinoska
    Lasy Rogowskie
    Biebrzanski Park Narodowy
    tawny owl
    opportunistic predator
    pellets
    insects
    forest
    Opis:
    Studies on invertebrates in the diet of the tawny owl were carried out in Rogów, Kampinos and Białowieża forests as well as in the mosaic ecosystems of Biebrza wetlands. Invertebrates were identified on the basis of their remnants found in the pellets. The aim of the study was to answer the two questions: (1) does the tawny owl select its invertebrate prey or is it an opportunist predator, (2) is it possible to characterize places where the owl preys just on the basis of the invertebrate species composition in its diet. As a result we found out that indeed the tawny owl was an opportunist predator towards invertebrates, and also that the invertebrate species composition found in the pellets was a good indicator of the type of hunting habitat as it showed that the owl caught invertebrates in various sites, i.e. tree hollows, rotten trunks, soil litter or open area.
    Źródło:
    Sylwan; 2012, 156, 01; 36-46
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Skład pokarmu wybranych ssaków drapieżnych na terenie Gorczańskiego Parku Narodowego
    Diet composition of carnivore species in the Gorce National Park
    Autorzy:
    Gaspar, G.
    Wierzbowska, I.A.
    Misiewicz, A.
    Armatys, P.
    Loch, J.
    Czarnota, P.
    Wierzbowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/985769.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Canis lupus
    parki narodowe
    Gorczanski Park Narodowy
    ssaki drapiezne
    wilk
    rys
    Lynx lynx
    lis pospolity
    Vulpes vulpes
    kuna lesna
    Martes martes
    sklad pokarmu
    analiza skladu pokarmu
    ssaki kopytne
    drobne ssaki
    nisze pokarmowe
    canis lupus
    lynx lynx
    vulpes vulpes
    martes martes
    ungulates
    the carpathians
    Opis:
    The aim of the study was to assess the diet composition of four carnivore species inhabiting the Gorce National Park (Western Carpathians, S Poland), i.e., grey wolf (Canis lupus), Eurasian lynx (Lynx lynx), red fox (Vulpes vulpes), and pine marten (Martes martes). The food analysis was based on scats collected between June 2016 and February 2017 along seven transects of a total length 96.13 km. Altogether 187 faeces were found, 95 of grey wolf, 20 of lynx, 49 of red fox, and 23 of pine marten, respectively. The dominant food category of wolf and lynx were ungulates, comprising respectively 98% and 95% of the consumed biomass. The trophic niche overlap between wolf and lynx was very high (Pianka’s index Ojk=0.99). However, there were differences in the consumed prey species. Wolves fed on red deer (Cervus elaphus), roe deer (Capreolus capreolus) and wild boar (Sus scrofa), while lynxes foraged equally on two ungulates, red deer and roe deer. Medium−sized carnivores showed greater variety in consumed food. Both pine marten and red fox had higher values of Levins’ index of the trophic niche breadth than larger carnivores and highly overlapped their diets (Ojk=0.96). Pine marten and red fox consumed mostly small mammals. Additionally, martens consumed frequently fruits, whereas red foxes foraged on carrion of ungulates. This might explain the fact that wolf and lynx overlapped their trophic niches more with red fox than with the pine marten.
    Źródło:
    Sylwan; 2018, 162, 04; 333-342
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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