polno besedilo - Digitalna knjižnica BF - Univerza v Ljubljani

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Perušek M. Vpliv nekaterih ekoloških in drugih dejavnikov na razširjenost izbranih vrst ptic v gozdovih kočevske. Mag. delo. Ljubljana. Univ. v Lj., Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, 2006 KEY WORDS DOCUMENTATION DN Mt DC FDC 148.2+150:(497.12*06)(043.2) CX habitat selection/ecological niche/Ural Owl/Strix uralensis/Tengmalm's Owl/Aegolius funereus/Pygmy Owl/Glaucidium passerinum/Hazel Grouse/Bonasa bonasia/Black Woodpecker/Dryocopus martius/White-backed Woodpecker/Dendrocopos leucotos/Three-toed Woodpecker/Picoides tridactylus/ Red-breasted Flycatcher /Ficedula parva/forests/virgin forest remains/Kočevska/Natura 2000/Slovenia CC AU PERUŠEK, Mirko AA ADAMIČ, Miha (mentor) PP SI-1001 Ljubljana, Slovenija, Večna pot PB Univ. of Ljubljana, Biotechnical Faculty, Department of Forestry and Renewable Forest Resources PY 2006 TI THE INFLUENCE OF SOME ECOLOGICAL AND OTHER FACTORS ON THE DISTRIBUTION OF SELECTED BIRDS IN KOČEVSKO FORESTS DT master thesis NO XIV, 106 p., 34 tab., 49 fig., 4 ann., 110 ref. LA sl AL sl/en AB On the basis of systematic watching of birds in Kočevsko forestry region and their survey in fir-beech virgin forest remains, the impacts of various ecological (forest community, altitude, gradient, relief, fructification of some tree and shrub species, etc.) and other factors (forestry management classes, forest development phase, growing stock, prescribed increment, hunting management) on the distribution of selected bird species in Kočevsko forests were studied. The selected species were: Ural Owl (Strix uralensis), Tengmalm's Owl (Aegolius funereus), Little Owl (Glaucidium passerinum), Hazel Grouse (Bonasa bonasia), Black Woodpecker (Dryocopus martius), White-backed Woodpecker (Dendrocopos leucotos), Three-toed Woodpecker (Picoides tridactylus) and Red-breasted Flycatcher (Ficedula parva). The majority of observations were made in April and May, mostly on northern expositions and at higher altitudes. The Three-toed Woodpecker frequents dead standing coniferous trees in the stoniest high altitude areas. Owl niches overlap each other to a much greater extent than those of woodpeckers. The Ural Owl inhabits the more productive natural sites, while other owl species can be found predominantly in places with no larger species. Among the studied species, Ural Owl has the widest ecological niche, Little Owl the narrowest. Lower growing stock and greater variegation of the stands can be found in Hazel Grouse's habitat. As far as forest development trends are concerned, they appear to be favourable, in the short run, for the majority of bird species under consideration. All the studied birds are on the list of protected species within Natura 2000 network, and their living conditions should under no circumstances worsen in their habitats. The thesis can serve as an expedient for zonation and management plans concerning of the above studied bird species. IV

Perušek M. Vpliv nekaterih ekoloških in drugih dejavnikov na razširjenost izbranih vrst ptic v gozdovih kočevske. Mag. delo. Ljubljana. Univ. v Lj., Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, 2006 KAZALO VSEBINE Ključna dokumentacijska informacija III Key words documentation IV Kazalo vsebine V Kazalo preglednic VIII Kazalo slik X Kazalo prilog XII Okrajšave in simboli XIII 1 UVOD 1 2 ZNANSTVENE HIPOTEZE IN PROBLEMI 3 3 NAMEN DELA 4 4 IZBRANE VRSTE PTIC IN NJIHOVE ZNAČILNOSTI 5 4.1 VELIKOSTNA RAZMERJA IN NEKATERE ZNAČILNOSTI IZBRANIH VRST PTIC 4.2 IZBRANE VRSTE PTIC, NJIHOVA RAZŠIRJENOST IN TERITORIJI 7 4.2.1 Kozača Strix uralensis (Pallas, 1771) 7 4.2.2 Koconogi čuk Aegolius funereus (Linnaeus, 1758) 8 4.2.3 Mali skovik Glaucidium passerinum (Linnaeus, 1758) 9 4.2.4 Gozdni jereb Bonasa bonasia (Linnaeus, 1758) 10 4.2.5 Črna žolna Dryocopus martius (Linnaeus, 1758) 11 4.2.6 Belohrbti detel Dendrocopos leucotos (Bechstein, 1803) 12 4.2.7 Triprsti detel Picoides tridactylus (Linnaeus, 1758) 13 4.2.8 Mali muhar Ficedula parva (Bechstein, 1815) 14 4.3 PTICE PRAGOZDNIH REZERVATOV 15 5 METODE DELA, OPIS OBRAVNAVANEGA OBMOČJA IN DEJAVNOSTI 5.1 METODE DELA 16 5.1.1 5.1.1.1 5.1.1.2 Popisi ptic Naključna opazovanja izbranih vrst ptic Kartirna metoda popisa ptic v pragozdnih rezervatih Krokar in Strmec 5.1.2 Ekološki dejavniki 17 5.1.2.1 Višinska razširjenost in letno pojavljanje 18 5.1.2.2 Nekateri drugi parametri ekološke niše 18 V str. 5 16 16 16 17

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