Issue:
VOL 34(2) 1991
Keywords:
Birds, density, spruce forest, mountains, Carpathians
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Abstract:
Thirty-eight bird species were found in the upper (coniferous) mountain forest zone (ca 1150-1360 m a.s.l.) on Mt Polica in 1987 and 1988. The density of pairs in the 10 ha sample plot in a timber spruce forest on the northern slopes of Polica was respectively 49 and 50 pairs/10 ha. In both years of investigation Fringilla coelebs, Erithacus rubecula, Regulus regulus, Prunella modularis and additionally in 1988, Parus ater were dominant species.