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    Wyświetlanie 1-9 z 9
    Tytuł:
    Indeks waznosci roslin w jesienno-zimowym pokarmie jelenia szlachetnego [Cervus elaphus L.]
    Autorzy:
    Janiszewski, P.
    Szczepanski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/823093.pdf
    Data publikacji:
    2002
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    sklad pokarmu
    zwierzeta lowne
    lowiectwo
    preferencje pokarmowe
    lesnictwo
    jelen europejski
    Cervus elaphus
    Źródło:
    Sylwan; 2002, 146, 06; 65-73
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zawartosc zeru pedowego w jesienno-zimowym pokarmie jelenia szlachetnego [Cervus elaphus L.]
    Autorzy:
    Janiszewski, P.
    Szczepanski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/818220.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    sklad pokarmu
    zwierzeta lowne
    lowiectwo
    zer pedowy
    lesnictwo
    jelen europejski
    Cervus elaphus
    sezon jesienno-zimowy
    Źródło:
    Sylwan; 2001, 145, 05; 83-90
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Środowiskowe uwarunkowania funkcjonowania populacji daniela (Dama dama L.) w Wielkopolsce
    Environmental conditions of functioning of fallow deer population (Dama dama L.) in Wielkopolska Region
    Autorzy:
    Fruziński, B.
    Wlazełko, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026457.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Wielkopolska
    sklad pokarmu
    daniel
    zwierzeta lowne
    lowiectwo
    Dama dama
    lesnictwo
    preferencje siedliskowe
    fallow deer
    habitat selection
    composition of food
    Opis:
    On the basis of field work, evaluation of site quality in areas inhabited by fafflow deer was carried out. First of all the site quality, stand species composition and their age, as well as the composition of undergrowth and plants growing in the bottom of stands were assessed. In the results of investigations a clear preference by fallow deer more fertile sites with high proportion of oaks (Quercus sp.) and stand of older age classes was stated. The authors desribed also food composition of fallow deer in autumn and winter.
    Źródło:
    Sylwan; 2003, 147, 06; 28-33
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjał nietoperzy w biologicznej ochronie lasu
    Bats as a potential biological pest control agent in forest
    Autorzy:
    Burgiell, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/985874.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ochrona lasu
    ochrona biologiczna
    nietoperze
    Chiroptera
    sklad pokarmu
    owady
    szkodniki roslin
    bats
    forest pests
    pest control
    forest protection
    Opis:
    Bats have a set of features that make them very effective insects predators, thus they can potentially play an important role as a biological pest control agent in forests. The active flight ability, nocturnal lifestyle, high level of metabolism and a lack of a significant threat from predators make bats the most important predators of insects active in the evening and at night. All bats species noted in Poland are associated with forests, where they use various microhabitats and forage on various types of prey. According to foraging strategy and diet, insect−eating bats have been divided into several ecomorphological groups, which shows different efficacy in foraging on particular species of forest insects pests. Numerous studies indicate that bats diet includes primary forest pests from order Lepidoptera and also some species from Diptera and Coleoptera. Forest pests from Lepidoptera and Diptera represent a significant share in the diet of gleaning bats, especially long eared bats Plecotus sp., barbastelle Barbastella barbastellus and Natterer’s bats Myotis nattererii. During the swarming period Melolonthinae sp. and Amphimallon sp. (Coleoptera) dominate in the diet of all larger species of bats, especially aerial hawkers and bats foraging along the linear elements in the landscape: serotine bat Eptesicus serotinus, commone noctule Nyctalus noctula, lesser noctule Nyctalus leisleri and mouse eared bat Myotis myotis (which forage mainly on ground beetles). Moreover many bat species are able to change diet and adapt it to the most abundant prey. According to forest protection, the most important guilds are gleaners, bats foraging in the dense vegetation and canopy and aerial hawkers. Bats have a great potential as a biological control agents and all conservation practices including this group of animals will simultaneously support the natural forest resistance mechanisms.
    Źródło:
    Sylwan; 2018, 162, 09; 707-717
    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:
    Wpływ rodzaju pobieranego pokarmu na skład mikrofauny żwacza daniela europejskiego
    Influence of ingested forage on the composition of rumen microfauna in fallow deer
    Autorzy:
    Obidziński, A.
    Miltko, R.
    Bełżecki, G.
    Bolibok, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/991136.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Puszcza Bolimowska
    zwierzeta lowne
    daniel
    Dama dama
    sklad pokarmu
    zwacz
    mikrofauna
    orzeski
    Entodinium
    Epidinium
    dama dama
    protozoa
    entodinium
    epidinium
    digestion
    feeding opportunism
    central poland
    Opis:
    The aim of the study was to determine the correlation between ingested forage and composition of microfauna in the rumen of fallow deer. Rumen content of six specimens was obtained from the Bolimowska Forest during 2011/12 hunting season. Protozoa of the Entodinium and Epidinium genera belonging to the Ophryoscoleciade family were identified in analysed samples. Density of Entodinium population was positively correlated with percentage share of forage rich in starch. It was also reversely and equally strongly correlated to the share of forage rich in cellulose (p>0.05). Share of volume and biomass of Epidinium population was correlated negatively with the share of acorns in the forage (p>0.1). Differences in number and share of protozoa of the Entodinium and Epidinium genera in the rumen of fallow deer coexisting in the same place and time indicate feeding opportunism of this ruminant.
    Źródło:
    Sylwan; 2014, 158, 01; 61-71
    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
    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
      Wyświetlanie 1-9 z 9

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