Impact of urbanisation on soil characteristics |
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| Authors: | Vania Doichinova Miglena Zhiyanski Andrew Hursthouse |
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| Institution: | (1) Forest Research Institute, BAS, 132 “Kl. Ohridski” Blvd., Sofia, 1756, Bulgaria;(2) School of Engineering and Science, University of Paisley, Paisley, PA1 2BE, Scotland, UK |
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| Abstract: | Six forest locations were chosen from urban (U) and semi-urban (SU) zones of Sofia, Bulgaria. Soil profiles characterised for their generic physico-chemical properties: particle size distribution, pH, C-content (%) and N-content (%). From the ratio silt/clay and C/N, significant differences were observed for the Ah horizon in the urban and semi-urban locations. Clay formation appeared to be reduced in this horizon in the urban soils and the C-content is higher in semi-urban soils in comparison with the urban soils. On the base of the results obtained, a reduction of the buffering capability is noted for the topsoil of the urban sites compared to the semi-urban sites. |
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| Keywords: | Urban soils Silt/clay ratio C/N ratio |
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