Determination of hydric soil erosion risk in minas and chos malal (neuquén) using universal soil loss equation (usle)

Authors

  • Laurentino Hernández Facultad de Ciencias del Ambiente y la Salud-Universidad Nacional del Comahue
  • Ana Cecilia Dufilho Facultad de Ciencias del Ambiente y la Salud-Universidad Nacional del Comahue

Keywords:

water erosion, geographic information system, optimum stocking density

Abstract

Abstract

Soil erosion is one of the greatest environmental problems in semi-arid. 35.0 % of the Patagonia suffers from degradation mainly due to livestock, having sectors witha few probability of recovery. The study area (10,500 km2), includes Minas and Chos Malal Departments in northern of Neuquén Province, where livestock transhumance is practiced by nearly 1,500 families as their main economic activity.
In this paper we estimated the potential loss of soil by water erosion under different land management scenarios, using Universal Soil Loss Equation and a Geographic Information System. The results indicated that 45.6% of the surface presented minor water erosion (<10 tons / ha / year), by 21.5% corresponded to high erosion (50-200 tonnes / ha / year) and 3.6% of the land was affected by current potential erosion loss, greater than 200 tonnes / ha / year.

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Published

2012-12-24

How to Cite

Hernández, L., & Dufilho, A. C. (2012). Determination of hydric soil erosion risk in minas and chos malal (neuquén) using universal soil loss equation (usle). Boletín Geográfico, (34), 11–31. Retrieved from https://revele.uncoma.edu.ar/index.php/geografia/article/view/65

Issue

No. 34 (2012): Boletín Geográfico

Section

Land, Geomofphology and Resources

License

Copyright (c) 2012 Boletin Geográfico

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