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  • Kozača Strix uralensis v Sloveniji = Ural owl Strix uralensis in Slovenia
    Mihelič, Tomaž, 1974- ...
    The paper sets out to assess the distribution of the Ural Owl Strix uralensis macroura in Slovenia. In the breeding season it occurs between 150 and 1,600 ma.s.l. (1st and 3rd quartile between 660 ... and 1,100 m a.s.l.; median = 850 m a.s.l.), while in the nonbreeding and winter periods it is found some-what lower, i.e. between 180 and 1,230 m a.s.l. (1st and 3rd quartile between 300 and 850 m a.s.l.; median = 550 m a.s.l.) In Slovenia, the Ural Owl is considered a species with high tolerance in altitudinal distribution; its occurrence depends not so much on altitude but on habitat, where an important role is played by the state of the forest in which it lives, particularly by the proportion of old trees or their older phases of development. The majorityof Ural Owls in Slovenia inhabit the Dinaric zoogeographical region, where they live mostly in beech and fir forests Omphalodo-Fagetum s. lat., butcan be also found in other forest associations: Lamio orvale-Fagetum s. lat., Anemone trifoliae-Fagetum, Ranunculo- Fagetum, Adenostylo glabrae-Piceetum and Pseudostellario-Quercetum roboris. In winter, the Ural Owl was observed a number of times in habitats untypical of this species: opencultural landscapes, parks, orchards and urban environments. The majoritv of the Ural Owl's nest found in Slovenia were situated in tree holes and stumps (71.4%) at the height ranging from 1 to 10 m (avg. 5.2 m) from the ground. Less often (19.0%) they were found in stick nests of birds of prey (Common Buzzard Buteo buteo, Honey Buzzard Pernis apivorus) at heights rangingfrom 8 to 18 m (avg. 12 m) from the ground, once (4.8%) in nestbox and once on the ground. Some high ecological densities of these birds were established at separate Slovene localities, i.e. from 2-3 pairs/10 km2 (Krim Mountains, Ribnica-Kočevje district) to 4-5 pairs/10 km2 (Trnovski gozd, Mt. Snežnik). (Abstract truncated at 2000 characters.)
    Vir: Acrocephalus : glasilo Društva za opazovanje in proučevanje ptic Slovenije = journal of Bird Watching and Bird Study Association of Slovenia. - ISSN 0351-2851 (Letn. 21, št. 98/99, 2000, str. 9-22)
    Vrsta gradiva - članek, sestavni del
    Leto - 2000
    Jezik - slovenski
    COBISS.SI-ID - 12009945

    Povezava(-e):

    Repozitorij Univerze v Ljubljani – RUL
    Digitalna knjižnica Slovenije - dLib.si

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