DIGITALNA ARHIVA ŠUMARSKOG LISTA
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| ŠUMARSKI LIST 9-10/2011 str. 57 <-- 57 --> PDF |
T. Kirin, J. Kralj, D. Ćiković, Z. Dolenec: HABITAT SELECTIONAND SIMILARITY OF THE FOREST ...Šumarski list br. 9–10, CXXXV (2011), 467-475 The highest bird population densities were found inspecies in particular forest type between two study areas oak and mixed coniferousstands. Fourthe most abundant species (that include ChaffinchFringilla coelebsandRobinErithacus rubeculain all forest types, and eight other species depending on the forest type) made 45–53 % of songbird population in Medvednica and 41–50 % in Žumberak – Sa mo borsko gorje. They had the lowest percentage in oak stands and the highest in mixed stands.The differences between the proportion of four the most abundant 2 were not significant (.test).Six bird species showed the preference for the particular forest type (with more than 40% of pairs recorded in one forest type).Those were Willow Tit (Poecile montanus), Firecrest (Regulus ignicapilla) and Eurasian Treecreeper (Certhia familiaris) in mixed deciduous stands, Goldcrest (Regulus regulus) and Coal Tit (Periparus ater) in coniferous stands and Short-toed Treecreeper (Certhia brachydactyla) in oak stands. The association between the Figure 2 Average population densities (bars) and Shannon-Wiener biodiversity index (lines) of bird communities in forest types of two studied areas. Slika 2.Gustoće populacija (stupci) i Shannon – Wienerov indeks raznolikosti (linije) zajednica ptica u različitim tipovima šuma na dva istraživana područja. Figure 3Sorensen index of similarity of tree species and bird species composition of particular type of forest between two studied areas. Slika 3.Sorensenov index sličnosti vrsta drveća i ptica u pojedinom tipu šuma između dva istraživana područja. |