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2 Landform Analysis

2 2011

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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

2011

Vol. 17

33-37

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.

Gullies development in afforested slopes in Southeastern Spain

Ruiz-Sinoga J. D., Romero-Díaz A., Belmonte-Serrato F., Alonso-Sarría F.

Landform Analysis

2011

Vol. 17

173-176

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.