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Content available Modelling the effects of land use changes on runoff and soil erosion in two Mediterranean catchments with active gullies (South of Spain)
Martínez-Murillo J. F., López-Vicente M., Poesen J., Ruiz-Sinoga J. D.
Landform Analysis
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2011
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Vol. 17
99-104
EN
This study investigates the effects of land use changes between 1956 and 2006 on runoff and soil erosion in two Mediterranean catchments (South Spain)with active gullies, by applying the RMMF Model and by comparing the erosion channel network from both years. Results underline the complexity of soil erosion dynamics in gullied catchments where a general increase in soil erosion due to land use changes can occur simultaneously with a decrease in erosion rates within the gully system.
2
Content available Land use changes and development of pi ping and gullies in Southeast Spain
Romero-Díaz A., Alonso-Sarría F., Sánchez-Soriano A., Ruiz-Sinoga J. D.
Landform Analysis
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2011
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Vol. 17
33-37
EN
In semiarid regions with low rainfall, poorly developed soils and marly lithologies, land abandonment leads to an increase in soil erosion and degradation processes. In some cases, the initiation of piping processes and the emergence of gullies takes place not long after its abandonment.
3
Content available Gully erosion control and carbon sequestration through filter dams in three different land uses
Andrade-Limas E., Espinosa-Ramírez M., Ruiz-Sinoga J. D., Romero-Díaz A.
Landform Analysis
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2011
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Vol. 17
87-89
EN
The object of this study was to compare and quantify carbon sequestration and erosion control in two type soil and three land uses. Direct measurements of sediment retained in dams with mesh and branches have been taken. In conclusion it may indicate that these dams are an efficient filter control on gully erosion, which is higher in cropland. The capture of organic carbon was higher in natural vegetation due to higher content of organic matter in soil.
4
Content available Gullies development in afforested slopes in Southeastern Spain
Ruiz-Sinoga J. D., Romero-Díaz A., Belmonte-Serrato F., Alonso-Sarría F.
Landform Analysis
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2011
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Vol. 17
173-176
EN
In semiarid regions, the main purpose of afforestation has been to provide a protective vegetative cover in order to prevent or reduce soil erosion. This paper shows the results of a study carried out in some areas afforested in the 1970s, in steep slopes and mostly in marls. Afforestation where performed using terraced with subsoiling, so the existing scrub vegetation was removed and Pinus halepensis was planted. The main conclusion is that human action developed in this semi-arid territory, perhaps because the technique applied was not the most suitable for afforestation, has led to the geomorphological activation of the slopes and the emergence and large development of gullies.
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