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Title: Seeding and mulching + seeding effects on post-fire runoff, soil erosion and species diversity in Galicia (NW Spain)
Author: Fernández, C.
Vega, J. A.
Jiménez, E.
Vieira, D. C. S.
Merino, A.
Ferreiro, A.
Fonturbel, T.
Keywords: Seeding
Post-fire rehabilitation
Hydrologic parameters
Sediment yields
Issue Date: 2012
Publisher: Wiley
Abstract: The effects of two different soil rehabilitation treatments on runoff, infiltration, erosion and species diversity were evaluated in a shrubland area in Galicia (NW Spain) after an experimental fire by means of rainfall simulations. The treatments compared were: seeding, seedingþmulching and control (untreated). Rainfall simulations were conducted 9 months after fire and the application of soil rehabilitation treatments. A rainfall rate of 67mmh 1 was applied for 30min to each runoff plot. Seeding significantly increased plant species richness in the treated plots relative to the control plots, although it had no effect on diversity or evenness. Rehabilitation treatments did not significantly increase soil cover or affect runoff and infiltration. Soil losses were low in all cases, varying from 75 6kgha 1 in the seededþmulched plots to 212 1kgha 1 in the untreated plots. However, there were no significant differences in sediment yields between treatments. The percentage of bare soil appeared to be a critical variable in controlling runoff and erosion.
Peer review: yes
DOI: 10.1002/ldr.1064
ISSN: 1085-3278
Appears in Collections:CESAM - Artigos

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