Ábrahám Levente (szerk.): Válogatott tanulmányok III. - Natura Somogyiensis 12. (Kaposvár, 2008)

Salamon-Albert Éva-Horváth Ferenc: Vegetation of Külső-Somogy in Hungary II.

analyses of existing semi-natural vegetation types as habitats on the other hand (SALAMON-ALBERT and HORVÁTH 2008). In our work, as the second study of a landscape series, we present and evaluate characteristic non-woody habitat types, groups and con­nected wastelands, their patches with areal data and spatial patterns in Külső-Somogy region. Analyses at landscape scale are implemented with META method and mapping (GIS database for Hungarian Habitats, Magyarországi Élőhelyek Térképi Adatbázisa, HORVÁTH et al 2008) based on a landscape ecology oriented protocol fitted to the whole territory of Hungary (BÖLÖNI et al 2003, 2007, MOLNÁR et al 2007). Material and method Region of Külső-Somogy (Fig. 1) is located south from Lake Balaton, bordered by Kapos River, Sió Channel and Pogány Valley in the territory of Somogy and Tolna coun­ties. Its total extension is 3000 km 2 , mean altitude is 186 m a.s.l., 200-300 m a.s.l. espe­cially on the ridges of the hills. The bedrock is limestone covered by loess on the sur­faces of the crests trended to north-south direction. In the western part of the area (West Külső-Somogy) the ridges of the hills are exposed to erosion and derasion. The eastern part of the region (East Külső-Somogy) is dissected with valleys parallel to Lake Balaton and the south part of it (South Külső-Somogy) is a horizontal loess plateau with moder­ate slope to Kapos River. Running through the main north-south valleys, Jaba Stream and Koppány Stream flow from west to east. According to the data of regional meteoro­logical stations (Szabadhídvég, Kaposvár) the mean temperature is -2,5 °C in January, +20,5 °C in July, the sum of precipitation is 650 mm per year. There are some cities and Kaposvár Külső - Somogy region 0 10kxiK 20 30 40 Külső - Somogy region BiiMiimmiiiiiiiiiiii IllHlinnillHIll^^ Fig. 1: Territory, settlements, geographical and hydrological elements of Külső-Somogy

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