Ptaki lęgowe Lasu Golickiego koło Siedlec
Journal Title: KULON - Year 2017, Vol 22, Issue
Abstract
A survey of the number of breeding birds in commercial forest surrounded by crop felds of Golice near Siedlce was conducted in 1977 and 1978 and covered an area of 152 hectares, while in 2004: 169 hectares. Thee forest was dominated by pine stands (60.7%) and oak (25.9%) from 40 to 80 years old. The remaining parts were dominated by birch, alder, spruce and aspen species. In the first period, only a few, not numerous and easily detectable species were recorded, whereas in 2004 almost all breeders were identified (44 species), with the exception of the most numerous: Common Chaffinch Fringilla coelebs and Wood Warbler Phylloscopus sibilatrix. In 2004, the Eurasian Blackcap Sylvia atricapilla (49.1 pairs/km2), Common Blackbird Turdus merula (35.9 pairs/km2) and Great Tit Parus major (31.2 pairs/km2) were the most widely studied. The Common Chiffchaff Phylloscopus collybita, Song Thrush Turdus philomelos, Eurasian Blue Tit Cyanistes caeruleus, European Robin Erithacus rubecula and Common Starling Sturnus vulgaris were also quite numerous and their densities reached from 17.6 to 25.0 pairs/km2. The other species were less numerous – from 0.3 to 15.3 pairs/km2. Due to the habitat surrounding the studied area, i.e., open agricultural land, there were also numerous ecotone species: Ortolan Bunting Emberiza hortulana, Woodlark Lullula arborea, Yellowhammer Emberiza citrinella and Tree Pipit Anthus trivialis. When compared to the period 1977-1978, we documented the local extinction of the breeding population of the European Turtle Dove Streptopelia turtur, the increase in the number of the Tree Pipit (from 6-7.5 to 17.5 pairs), probably due to the larger area of small patch cuts, the increase in the number of breeding pairs of the Lesser Spotted Woodpecker Dryobates minor and Middle Spotted Woodpecker Dendrocoptes medius and the settlement of the studied forest by the Common Buzzard Buteo buteo.
Authors and Affiliations
Henryk Kot
Keywords
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