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Revista de Ciências Agrárias
versão impressa ISSN 0871-018Xversão On-line ISSN 2183-041X
Resumo
ALFARO-LERANOZ, Andoni; EMRAN, Mohamed e BADIA-VILLAS, David. Glomalin-related soil protein evolution after prescribed burning of scrub in mountain soils (Central Pyrenees, NE-Spain). Rev. de Ciências Agrárias [online]. 2022, vol.45, n.4, pp.681-690. Epub 01-Dez-2022. ISSN 0871-018X. https://doi.org/10.19084/rca.28572.
The effects of prescribed burning of bushes on the soil are evaluated in the short term, at 5 and 9 years, using glomalin fractions as indicators. This evaluation is carried out for three soil thicknesses (0-1, 1-2 and 2-3 cm) and in quadruplicate at each sampling time. The glomalin values (total, residual and labile), although higher, in absolute value, in the shallowest cm of soil, rarely show significant differences in depth. Immediately after burning, soils double their total and residual glomalin content with respect to control or unburned soils; these values decrease with time. Labile glomalin, which is not significantly affected immediately after burning, is reduced by half after a few years. In short, a series of changes in the different glomalin fractions are identified, despite the low severity of this type of burning.
Palavras-chave : Prescribed fire; Glomalin-related soil protein.