Soil Erosion Network: Experimental Metadata
Rill and Interrill Water Erosion in Relation to Land Use, Murcia, Spain

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1.1 Name Dr. Victor M. Castillo
1.2 Address CEBAS-CSIC, PO Box 4195, 30080 MURCIA - Spain
1.3 Tel +34 68 215717
1.4 Fax +34 68 266613
1.5 E-mail
1.6 List other researchers involved: Dr. Antonio Roldán Garrigós, D. Ignacio Querejeta Mercader
2.1  mm2 - cm2: Dynamics of soil aggregation
2.2  m2: Physical degradation (surface sealing, crusting) and its impact on surface roughness, infiltration and runoff; biological processes: plant cover evolution: degradation and recovery, dynamics of soil microbial populations.
2.6 Other scale or processes investigated: Dynamics of soil moisture
Spatial scale considered:
6.5 years: 3
Soil moisture dynamic (every two weeks).
Soil physical properties and biological processes, seasonally (every three months).
Hydroclimatology and soil losses (daily).
7.1 Climate: Rainfall: total rainfall, intensity and frequency.

Radication and evapotranspiration.

7.2 Topography: Slope and length of hillslope
7.3 Soils: Physical properties: texture, aggregate stability, bulk density porosity, infiltration. Chemical properties: organic matter content, fertility
7.4 Vegetation: Plant cover.
Species composition. Biomass
7.5 Management: Soil rehabilitation techniques.
Afforestation of degraded lands
8 FIELD EXPERIMENTS Description of the field site and of the type of experiments and equipment involved for each of the erosion processes being studied:
8.1 Erosion process: Rill and interill water erosion and its relation with land uses
8.2 Location (town, state, country): Región of Murcia (Spain).
8.3 Equipment involved: Sets of experimental plots in field conditions. Automatic hydro-climatological station and datalogger. Sediment traps. Neutron probe and TDR equipment to analyze soil moisture dynamic.
8.4 Remarks:
9 LABORATORY EXPERIMENTS Description of the laboratory and the type of experiments and equipment involved for each of the erosion processes studied:
·Laboratory facilities for physical and chemical analysis of soil, water and sediments:

·Determination of soil erodibility percentage of stable aggregates, characterization of hydraulic properties of soils (pF, hydraulic conductivity) and evolution of soil organic matter and fertility.

·Facilities for experimentation with plants development in growth chamber conditions. Assessment of plants nutrients uptake. Determination of soil microbial populations.

·Advanced computer facilities for statistical and data analysis including software for geographical information systems.

Albaladejo, J.; Castillo, V. and Roldán, A. (1991). Analysis evaluation and control of soil erosion processes in semiarid environment: S.E. Spain. En: Sala, Rubio y Garcia Ruiz (Eds): Soil Erosion Studies in Spain. 9-26; Editorials Geoforma. Logrono.

Roldán, A.; Díaz, G. and Albaladejo, J. (1992). Effect of VAM fungi on growth and phosphorus uptake of two Hedysarum species in a xeric terriorthent soil from S.E. Spain. Arid Soil Research and Rehabilitation. Vol. 6: 33-49.

Albaladejo, J.; Castillo, V. and Díaz, E. (1993). Runoff generation and soil loss in semiarid areas: effects of soil physical parameters. Memorial Symposium to Jan De Ploey. Experimental geomorphology and landscape ecosystem changes. Leuven. Belgium.

Roldán, A. and Albaladejo, J. (1993). Vesicular-Arbuscular Mycorrhiza (VAM) fungal population in a xeric Torriorthen receiving urban refuse. Soil Biology and Biochemistry, 25: 451-456. 1993.

Albaladejo, J.; Stocking, M.; Díaz, E. and Castillo, V. (1994). Land rehabilitation by urban refuse amendments in semiarid environment: effect on soil chemical properties. Soil Technology, 7: 249-260.

Albaladejo, J.; Castillo, V. and Martinez, M. (1994). Effect of vegetal cover on runoff and soil loss. Annales Gephysicae Part II. Supplement to Volume 12, p-142.

Albaladejo, J.; Martinez, M.; Garcia, C. and Castillo, V. (1994). changes in soil physical properties induced by soil degradation. 15th International Congress of Soil Science. Vol. 2b, 250- 251.

Díaz, E.; Roldán, A.; Lax, A. and Albaladejo, J. (1994). Formation of stable aggregates in degraded soil by amendment with urban refuse and peat. Geoderma, 63: 277-288.

Albaladejo, J.; Castillo, V. and Martínez-Mena. (1994). EUROSEM: Preliminary validation in non- agricultural soil of semiarid Mediterranean area. In: R.J. Rickson (Ed): Conserving Soil Resources: European Perspectives. CAB International, Wallingford, UK.

Iax, A.; Díaz, E.; Castillo, V. and Albaladejo, J. (1994). Reclamation of physical and chemical properties of a salinized soil by organic amendment. Arid Soil Research and Rehabilitation. Vol. 8, pp 9-17.

Roldán, A.; García-Orenes, F. and Albaladejo, J. (1994). Mycrobial Populations in the Rhizosphere of Brachypodium retusum and their Relationship with stable aggregates in a semiarid soil of South-Eastern Spain. Arid Soil Research and Rehabilitation. Vol. 8, pp 105-114.

Roldán, A. and Albaladejo, J. (1994). Effect of mycorrhizal inoculation and soil restoration on the growth of Pinus halepensis seedlings in a semiarid soil. Biology and Fertility of Soils, 18: 143-149.

Albaladejo, J; Ortiz, R.; Guillen, F.; Alvarez, J.; Martinez, M. and Castillo, V. (1995). Erodibility of agricultural soils in the semiarid Mediterranean area of Spain. Arid Soil Research and Rehabilitation, 9: 219-216.

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