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Grassland bird species in mountain pastures Zaprikraj and Zapleč in the southern Julian Alps, Slovenia = Travniške gnezdilke na planinah Zaprikraj in Zapleč v južnih Julijskih AlpahBordjan, Dejan, 1981-Grassland birds were surveyed in two mountain pastures (Zaprikraj and Zapleč) in the southern part of the Julian Alps, Slovenia. The survey was carried out during the mornings between 26 and 30 June ... 2005. Due to the incomplete survey (only one visit, no nocturnal or targeted surveys and late season survey), the surveyed birds’ breeding density is only a rough estimate. 167 pairs belonging to 12 species were counted, with Tree (average density of 1.64 p/10 ha) and Water Pipit (average density of 1.60 p / 10 ha) being the most abundant. Both were observed in all altitudinal belts. The highest density in individual altitudinal belt was calculated for Red-backed Shrike Lanius collurio (3.78 p/10 ha) and Water Pipit (3.61 p/10 ha). In well preserved grasslands in the study area, most species reached high breeding densities compared to other parts of Slovenia and all were recorded higher than during the 1992 survey, although still mostly within limits of the elevations elsewhere in Slovenia. Breeding density of Skylark Alauda arvensis decreased with the elevation. Whinchat Saxicola rubetra, Skylark and Red-backed Shrike used significantly gentler slopes, while Pipits showed no preference for particular slopes.Vir: Acrocephalus : glasilo Društva za opazovanje in proučevanje ptic Slovenije = journal of Bird Watching and Bird Study Association of Slovenia. - ISSN 0351-2851 (Letn. 41, št. 184/185, 2020, str. 33-39)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2020Jezik - angleškiCOBISS.SI-ID - 169816579
Avtor
Bordjan, Dejan, 1981-
Teme
ptice |
ornitologija |
travniške ptice |
gnezditvena gostota |
planine |
birds |
ornitology |
grassland bird species |
breeding density |
mountain pastures
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vir: Acrocephalus : glasilo Društva za opazovanje in proučevanje ptic Slovenije = journal of Bird Watching and Bird Study Association of Slovenia. - ISSN 0351-2851 (Letn. 41, št. 184/185, 2020, str. 33-39)
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