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    Tytuł:
    Zastosowanie punktowo-drzewostanowej metody inwentaryzacji ptaków w lasach zagospodarowanych
    Application of the point-stand method of the bird census in the managed forests
    Autorzy:
    Sikora, D.
    Borecki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/979013.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany gospodarcze
    inwentaryzacja zwierzat
    metoda punktowo-drzewostanowa
    leśnictwo
    ptaki leśne
    forest birds
    point counting method
    biodiversity indicators
    Opis:
    This paper presents the results of a bird census in the Morgi forest range in the Kolbuszowa Forest District (SE Poland). The census was conducted using the point−stand method, i.e. a modification of the point count. This modification enabled tailoring the method to the conditions of the Polish forestry, in which forest stand that is the basic unit of silviculture planning and forest management. The aim of the study was to test the new method of bird census in the managed and large−scale forest units, and to evaluate the utility of the results for conservation measures. Based on the list of stands of the Kolbuszowa Forest District, we drew randomly 270 forest stands, taking into account their most important features: dominant species, forest habitat type, age and vertical structure. Bird counts were carried out in spring of 2014 and 2015. Each stand was inspected twice during each season: 1) between April and mid−May, and 2) between mid−May and the first decade of July. In total, 1080 observation (listening) sessions were conducted and each of the stands was inspected four times. As a result, 14 982 bird observations of 15 757 individuals belonging to 113 species were made. In case of 6720 observations, 7186 individuals belonging to 85 species were recorded in the studied stands. The point−stand bird census presented in the paper, which is a forest−range census type, is adequate for use in large−scale forest units. It allows to determine fauna indices that characterise the forest range, together with the most important features of stands.
    Źródło:
    Sylwan; 2020, 164, 03; 237-245
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ hałasu drogowego na ptaki leśne - eksperyment z wykorzystaniem budek lęgowych
    Influence of road traffic on woodland birds - an experiment with using of nestboxes
    Autorzy:
    Wiącek, J.
    Kucharczyk, M.
    Polak, M.
    Kucharczyk, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/991152.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    infrastruktura drogowa
    ruch drogowy
    halas komunikacyjny
    oddzialywanie na srodowisko
    oddzialywanie na zwierzeta
    ptaki lesne
    budki legowe
    zasiedlenie
    bogatka
    Parus major
    mucholowka zalobna
    Ficedula hypoleuca
    sosnowka
    Parus ater
    sikora modra
    Parus caeruleus
    kowalik
    Sitta europaea
    gniazdowanie
    legi ptakow
    presja drapieznika
    road traffic noise
    hole−nesting birds
    habitat quality
    predator pressure
    Opis:
    We investigated whether high−intensity road traffic affects the nestbox occupancy pattern of secondary hole−nesting birds. Field studies were carried out in two forests in south−eastern Poland (Lasy Janowskie forest and Polichna forest). Both complexes were included in NATURA 2000 network. In our knowledge it was first field experiment on road−traffic noise influence on forest birds, conducted in the Polish environmental conditions. The results of this experiment can be used in work on the impact of road projects on forest birds. Nestboxes were hung at twelve linear transects located perpendicularly to the busy road and they were regularly inspected in 2011−2012. Road noise was measured by use of a digital measurer of sound level at each nestbox. Monitoring the activity of predators on the study area was done with the help of digital trail cameras and experiment with use of artificial nest with eggs. Noise level decreased with distance from the road. In the first year of experiment we observed that the birds settled preferentially habitats in the vicinity of road. However in next season the number of occupied nestboxes was independent from the distance from road. We found that the pressure caused by predators on the study area was very low, creating safer nesting places for birds. Our results provide evidence that these birds are well adapted to cope with anthropogenic noise. Some species of birds preferred nesting in neighbourhood of road.
    Źródło:
    Sylwan; 2014, 158, 08; 630-64
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wybiórczość siedlisk leśnych przez głuszce (Tetrao urogallus) w polskiej części Karpat Zachodnich
    Selection of forest habitats by Capercaillie (Tetrao urogallus) in Polish part of the Western Carpathians
    Autorzy:
    Ligocki, D.
    Merta, D.
    Bobek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/989511.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lowiectwo
    ptaki lowne
    gatunki chronione
    gluszec
    Tetrao urogallus
    preferencje siedliskowe
    siedliska lesne
    Nadlesnictwo Ujsoly
    Beskid Zywiecki
    capercaillie
    stand age
    altitude
    canopy closure
    habitat selection
    carpathians
    Opis:
    The objective of this paper is to analyse the forest habitat selection by Capercaillie in Polish part of the Western Carpathians. The study was carried out in the Ujsoły Forest District located in the Beskid Żywiecki Mountains in years 2002−2004. Habitats were investigated with regard to the forest types, age classes of the main tree species, canopy closure and altitude. We established 28 linear transects of the total length of 221 km. Data regarding Capercaillie occurrence (n=141) i.e., bird observations, tracks, feathers and droppings were collected twice during spring, summer, autumn and winter. Average index of Capercaillie density based only on birds seen amounted to 0.055/km of the transect and was the highest during spring (0,090/km). Availability and usage by Capercaillie, as well as preference index were calculated for distinguished habitat groups. As shown by Bailey's test, mountain mixed coniferous forest and mountain coniferous forest sites were preferred by Caperacillie, while mountain deciduous forest was avoided. The birds preferred spruce and beech stands of age ranging from 80 to 120 years. Moreover, stands with open and broken canopy and habitats located 800−1200 m a.s.l. turned to be highly preferred by Capercaillie. The obtained results were analyzed in relation to potential food resources, predator pressure and human disturbance. The following forest management measures in mountain refuges of Capercaillie were suggested: (1) maintaining open or broken canopy closure of stands, (2) policyclic timber harvesting system with a long period of regeneration, (3) patchy distribution of understory vegetation with cover below 50% of area, (4) maintaining in the ground flora at least 30% cover of bilberry, and (5) leaving seed trees and old−growth forest patches in clear−cuts as well as promotion of natural regeneration. This activities together with control of predation and reduction of human pressure allows to protect Capercaillie population in the Beskid Żywiecki Mountains.
    Źródło:
    Sylwan; 2016, 160, 07; 582-590
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rola ptaków w odnawianiu drzew ciężkonasiennych ze szczególnym uwzględnieniem buka Fagus sylvatica L.
    The role of birds in natural regeneration of large−seed trees with special reference to beech Fagus sylvatica L.
    Autorzy:
    Dula, P.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026747.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    ptaki
    zoochoria
    sojka
    botanika lesna
    lesnictwo
    Sitta europaea
    Garrulus glandarius
    buk zwyczajny
    nasiona
    orzechowka
    Nucifraga caryocatactes
    kowalik
    Fagus sylvatica
    ekologia
    drzewa lesne
    seed predation
    seed dispersal
    birds
    natural regeneration
    large−seeded trees
    beech
    coevolution
    jay
    nutoracker
    nuthatch
    Opis:
    The paper is a brief description of the role of birds in forest tree seed dispersal by synzoochory and seed consumption, as well as ecological consequences of these phenomena. Special attention has been drawn to the way seeds are stored by birds or in other words if the seeds can survive and be able to germinate. An overview of the most recent world literature connected with this subject was presented. An attempt has been made to assess the role of seed – eating birds in the natural forest ecosystem.
    Źródło:
    Sylwan; 2003, 147, 05; 65-75
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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