The thesis analyses the quantity of eleven species of synanthropic birds. These species include House Sparrow (Passer domesticus), Eurasian Tree Sparrow (Passer montanus), Eurasian Collared Dove (Streptopelia decaocto), European Greenfinch (Carduelis chloris), European Serin (Serinus serinus), Black Redstart (Phoenicurus ochruros), European Goldfinch (Carduelis carduelis), Common Linnet (Cardielis cannabinal), White Wagtail (Motacilla alba), Common Chaffinch (Fringilla coelebs), and Common Starling (Sturnus vulgaris). The thesis focuses especially on House Sparrow (Passer domesticus), whose quantity has been decreasing in Czech Republic. The collection of data took place in 2012, 2014 and 2015, from April to June. The census was taken by ten people by means of a modified quick mapping method. The census took place in 180 villages located in eight regions of the Czech Republic. Only villages with population bellow 2000 were included. Two types of counting areas were set in these villages. The counting areas were squares of 100 x 100 metres. There were 229 areas of the first type, placed in ordinary built-up areas. Areas of the second type were set on grounds of factory farms, there were 151 of them. The main aim of the thesis was to find out whether the presence of a factory farm affects quantity of the studied bird species, and to determine which additional environmental factors affect the quantity. The analysed factors included the type of the biotope (a built-up area or a farm factory), location of the census, distance from the village edge, distance from the farm factory, proportion of built-up areas, and proportion of green vegetation. It was further investigated whether the quantity in built-up areas is affected by the presence of poultry, and whether the quantity in farm factories is affected by the functionality (or non-functionality) of the farm factory. It was proved that the overall quantity of all species was significantly affected by the type of biotope, proportion of built-up area and of green vegetation, and the location of the census. The quantity of House Sparrow was affected by the same factors, though the influence of the type of biotope was not proved. The average quantities from built-up areas and from the grounds of the farm factories did not differ significantly in the case of House Sparrow. The quantity of European Tree Sparrow, however, was significantly higher on the grounds of factory farms than in built-up areas. The influence of the presence of poultry in built-up areas on the overall quantity of all species also proved to be significant. The functionality of farm factories significantly influenced the quantity of all species on the grounds of the factory farms. This influence proved to be the most significant in case of House Sparrow and White Wagtail. In both cases, much higher quantity was detected on the grounds of functional farm factories than non-functional ones.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:258259 |
| Date | January 2016 |
| Creators | Havel, Martin |
| Contributors | Zasadil, Petr, Musil, Petr |
| Publisher | Česká zemědělská univerzita v Praze |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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