Awifauna krajobrazu rolniczego Wzgórz Opoczyńskich w okresie zimowania w sezonie 2012/2013
Journal Title: KULON - Year 2014, Vol 19, Issue
Abstract
The dynamics of birds in winter was studied on a 260-ha area in northern part of the Świętokrzyskie Mountain Region. The study area comprised a mosaic of habitats in an agricultural landscape, dominated by crop fields, wasteland, and meadows, characteristic of the Opoczyńskie Hills mesoregion. As a result of spontaneous plant succession, or intentional forestation, fragments of the study area were covered with pine-birch clumps. Twelve censuses were conducted, and a total of 1889 birds representing 33 species were recorded. The group of dominants comprised the Yellowhammer, Corn Bunting, Partridge, and Waxwing. The highest frequency was noted for the Buzzard (100%), Magpie (100%), and Yellowhammer (100%). The mean density over the winter period was 60.5 ind./100 ha), and it varied from 11.2 to 113.8 ind./100 ha, depending on the date of census. In the diversified agricultural landscape near Końskie, it was markedly higher than in more uniform habitats of the Mazovian Lowland. Both the mean number of individuals and the mean abundance of the recorded species declined from month to month over winter. Numbers of wintering birds depended of the depth of snow cover, air temperature, and anthropogenic factors (pouring of manure, formation of manure piles).
Authors and Affiliations
Piotr Dębowski
Keywords
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