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Soil erosion by water in Aleppo pine stands (Pinus helepensis Mill.) after fire (CROSBI ID 548032)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Butorac, Lukrecija ; Topić, Vlado ; Jelić, Goran Soil erosion by water in Aleppo pine stands (Pinus helepensis Mill.) after fire // 2008-International Year of Planet Earth, Eurosoil 2008, Soil - Society - Environment / Blum, Winfried E.H. ; Gerzabek, Martin H. ; Vodrazka, Manfried (ur.). Beč: University of Natural Resources and Applied Life Sciences (BOKU), 2008. str. 258-259

Podaci o odgovornosti

Butorac, Lukrecija ; Topić, Vlado ; Jelić, Goran

engleski

Soil erosion by water in Aleppo pine stands (Pinus helepensis Mill.) after fire

In Mediterranean part of Croatia fire occur often because of climatic conditions and vegetation stand. Soil erosion on burnt areas becomes excessive, where in a very short time after burning the layer of soil disappears. On the burnt area of Aleppo pine in the hinterland of Split (SE Croatia), a year after the fire, a stationary forest experiment was set, coordinates : N 43°31´, E 16°32´. The experimental plot (20x5 m) lies on the eroded brown rendzina soil on marl, at an inclination of 20° and sea level 212 m. During the four year experiment (2002-2005), we were observing the quantity and intensity of rainfall, the surface flowoff, soil erosion and vegetation progression on the burnt area. The results show that from 265 rainy days, 105 of them caused surface flowoff and soil erosion. The rainfall of 5, 9 mm (medium intensity) to 133, 7 mm (very high intensity) caused them. The yearly quantities of erosion were between 0, 11 t/ha to 19, 75 t/ha, the surface flowoff from 9, 73 mm/m2 to 36, 31 mm/m2, with the coefficient flowoff from 0, 0026 to 0, 2697. The surface flowoff of rainfall and soil loss are the greatest in the first year of observation, the second after the fire, when they were caused by rainfall of small intensity and small quantity, under 10 mm. Year by year the natural progression of vegetation on burnt areas advanced. Four years after the fire, the coverage of the plot amounted to 80% (Aleppo pine and maquis), and soil loss was not so big. On erodible soils without the forest vegetation the soil has no protection from rainfall, so the surface flowoff and soil loss are very great. The areas without the vegetation cover because of fire are liable to the greatest soil erosion in the first and second year after the fire.

karst; erosion; experimental plot; stands of aleppo pine; burned areas; rainfall; surface flow off; soil loss

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nije evidentirano

Podaci o prilogu

258-259.

2008.

nije evidentirano

objavljeno

978-3-902382-05-4

Podaci o matičnoj publikaciji

2008-International Year of Planet Earth, Eurosoil 2008, Soil - Society - Environment

Blum, Winfried E.H. ; Gerzabek, Martin H. ; Vodrazka, Manfried

Beč: University of Natural Resources and Applied Life Sciences (BOKU)

Podaci o skupu

Eurosoil 2008 Soil - Society - Environment

poster

25.08.2008-29.08.2008

Beč, Austrija

Povezanost rada

Poljoprivreda (agronomija), Šumarstvo