Eleven years after shrub revegetation in semiarid eroded soils. Influence in soil properties

Soil system is the key part of the Earth system that control the hydrological cycle, the biological cycle and the geochemical cycles, and improved management of abandoned agricultural soils can improve soil carbon, nutrient, water, and biota. Therefore it is essential to restore degraded abandoned l...

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Bibliographic Details
Published in:Geoderma 2016-07, Vol.273, p.106-114
Main Authors: Bienes, R., Marques, M.J., Sastre, B., García-Díaz, A., Ruiz-Colmenero, M.
Format: Article
Language:English
Subjects:
Abandoned
Aggregate stability
Annual rainfall
Available water soil-holding capacity
Carbon
Meters
Organic matter
Porosity
Shrubs
Slopes
Soils
Vegetation
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Summary:Soil system is the key part of the Earth system that control the hydrological cycle, the biological cycle and the geochemical cycles, and improved management of abandoned agricultural soils can improve soil carbon, nutrient, water, and biota. Therefore it is essential to restore degraded abandoned lands. We analyzed the status of a soil 5 and 11years after shrub revegetation using two species (Atriplex halimus and Retama sphaerocarpa) and spontaneous vegetation in a sloping semiarid area of gypsiferous soils in central Spain under Mediterranean climate. The evolution of soil structural characteristics (silt loam Gypsic Haploxerept) throughout this period and corresponding changes in water availability were studied. Five years were not time enough to notice changes in soil parameters. However, 11years more revealed major changes, macroporosity (pores>60μm) decreased dramatically (from 20.5 to 9.4%); mesoporosity (60 to 10μm) increased and microporosity (
ISSN:0016-7061
1872-6259
DOI:10.1016/j.geoderma.2016.03.023