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    Wyświetlanie 1-4 z 4
    Tytuł:
    Ekologia i biologia ptaków Puszczy Białowieskiej z perspektywy czterdziestoletnich badań
    Ecology and biology of birds in the Bialowieza Forest: a 40-year perspective
    Autorzy:
    Czeszczewik, D.
    Walankiewicz, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1294404.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    Bialowieski Park Narodowy
    fauna
    ptaki
    bogactwo gatunkowe
    ekologia zwierzat
    ptaki legowe
    zagrozenia zwierzat
    czynniki antropogeniczne
    Białowieża National Park
    temperate forests
    predation
    forest birds assembly
    forest management
    Opis:
    The aim of this study was to review the most important results from the last 40 years of intense ornithological research conducted in the Białowieża Forest. Furthermore, we discuss the threats that may destroy the unique ecology and characteristics of this forest. Studying the avifauna of the Białowieża Forest provides us with a good general knowledge about natural ecological conditions and relationships, which prevailed in temperate European forests in the past. The avifauna of the Białowieża Forest is characterized by features associated with primeval habitats such as the stability of communities over time, high species richness, relatively low densities, high proportion of hole-nesting birds, very high predation pressure and weak, insignificant competition interactions. This emphasizes the importance of predation, excess of nesting sites for cavity nesting birds, high abundance of food, especially for insectivorous species and fluctuation of bird population size due to rodent outbreaks (pulsed resources). The most severe threats for the avifauna of the Białowieża Forest are: rejuvenation of tree stands, removal of dead wood, fragmentation of old-growth stands, change of tree stand composition (reducing the proportion of some tree species). In order to expand our ecological knowledge about birds, we should keep the Białowieża Forest fully protected for years to come. The main priority should be the maintenance of natural processes changing the forest’s species composition.
    Źródło:
    Leśne Prace Badawcze; 2016, 77, 4
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Znaczenie skrzynek lęgowych dla ptaków obszarów leśnych na przykładzie Wielkopolskiego Parku Narodowego
    Importance of nest boxes for breeding birds in forest areas - the Wielkopolski National Park case study
    Autorzy:
    Kudelska, K.
    Podkowa, P.
    Karaśkiewicz, K.
    Surmacki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/988948.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy
    fauna
    ptaki legowe
    wystepowanie
    sukces legowy
    skrzynki legowe
    wykorzystanie
    Wielkopolski Park Narodowy
    breeding birds
    secondary cavity−nesters
    breeding success
    Opis:
    The study embraced 159 nest boxes placed in three different study plots in the Wielkopolski National Park in western Poland. In the first season, 64% of nest boxes were occupied by four species: great tit Parus major, blue tit Cyanistes caeruleus, Eurasian nuthatch Sitta europaea and European pied flycatcher Ficedula hypoleuca. The dominant species were great and blue tits. Over 80% of broods of great tits and blue tits were reared successfully. Birds preferred nest boxes located in plots with domination of oaks and Scots pine and with rich underbrush. Woodpeckers damaged entrances of 70% of the nest boxes, but did not cause any brood losses. In 13% of the boxes nests of hornets, bumblebees and wasps were found. Bumblebees chose boxes with a bird nest material, whereas wasps and hornets avoided sites occupied by the birds. In general, the insects had a small impact on breeding success of birds and caused failure of only 3% of all broods. Obtained results show that nest boxes in forests may increase density of the most common cavity nesters and secure their high breeding success.
    Źródło:
    Sylwan; 2017, 161, 11; 949-957
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rzadkie gatunki ptaków gniazdujące na terenie Nadleśnictwa Rogów w latach 1949-2015
    Rare species of birds nesting in the area of the Rogow Forest District in the years 1949-2015
    Autorzy:
    Gryz, J.
    Krauze-Gryz, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1293934.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    lasy
    Nadlesnictwo Rogow
    fauna
    ptaki legowe
    gatunki rzadkie
    czapla siwa
    Ardea cinerea
    bocian czarny
    Ciconia nigra
    bielik
    Haliaeetus albicilla
    rybolow
    Pandion haliaetus
    trzmielojad
    Pernis apivorus
    kobuz
    Falco subbuteo
    zuraw
    Grus grus
    siniak
    Columba oenas
    lelek
    Caprimulgus europaeus
    kraska
    Coracias garrulus
    central Poland
    legal protection
    extinction
    recolonization
    Opis:
    The aim of the study was to combine and summarize data on rare species of breeding forest birds found in the area of the Experimental Forest District near the Rogów village (Łódź Province). Our study area comprised 230 km2 of field and forest mosaic, where forests accounted for almost 17% of the area (13 forest complexes of 37–1000 ha). The results are based on the authors’ own field observations from the years 2000–2015 as well as historical data since 1949 including original research papers, diploma theses, unpublished manuscripts, oral information and analyses of museum collections. The following criteria were used to categorize bird species as rare: (1) species that ceased breeding in the area, (2) taxa that were under strict protection and their abundance was no higher than 6 breeding pairs. In overall, 10 species were classified as rare, of which three do not breed in the area any more: grey heron Ardea cinerea, osprey Pandion haliaetus, European roller Coracias garrulus. However, non-breeding individuals of grey heron and osprey are still recorded in the area (the last cases of breeding pairs were recorded in the 1970s and 1961, respectively), while the European roller went extinct. In recent years, the abundance of another three species was probably stable: European honey buzzard Pernis apivorus, Eurasian hobby Falco subbuteo and nightjar Caprimulgus europaeus. Four species started breeding in the last 30 years: black stork Ciconia nigra, white-tailed eagle Haliaeetus albicilla, common crane Grus grus, stock dove Columba oenas. The trends in the abundance of the investigated species are similar to those observed in the country in overall.
    Źródło:
    Leśne Prace Badawcze; 2016, 77, 2
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preferencje siedliskowe leśnych ptaków drapieżnych a struktura wiekowa lasów gospodarczych ? na przykładzie Lasów Parczewskich
    Habitat preferences of birds of prey vs age structure of forest - Lasy Parczewskie case study
    Autorzy:
    Keller, M.
    Buczek, T.
    Różycki, A.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013410.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    fauna
    struktura wiekowa
    lasy
    lesnictwo
    Lasy Parczewskie
    preferencje siedliskowe
    ptaki drapiezne
    lasy gospodarcze
    birds of prey
    habitat selection
    age structure of tree−stands
    Opis:
    The study was conducted in Lasy Parczewskie forest complex in eastern Poland in two periods: 1991−1993 and 2002−2004. We analysed the location of 384 nests belonging to 6 species of diurnal birds of prey that are common in Poland: Honey Buzzard (Pernis apivorus), White−tailed Eagle (Haliaeetus albicilla), Goshawk (Accipiter gentilis), Sparrowhawk (Accipiter nisus), Buzzard (Buteo buteo), and Lesser Spotted Eagle (Aquila pomarina). We found that all species preferred particular age classes of tree stands (Fig. 2). Sparrowhawk chose tree−stands at age of between 30 and 50 years, Honey Buzzard – older than 50 years, Buzzard and Lesser Spotted Eagle – older than 70 years, Goshawk – older than 80 years, and White−tailed Eagle – older than 90 years. Beside the fact that the Parczew Forests are cultivated and harvested in a common manner, they play an important role for all the species concerned.
    Źródło:
    Sylwan; 2008, 152, 02; 30-35
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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