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    • Agricultural land use, piping and gullies activity in the Huelva lower valley (Saragossa, Spain) 

      Echeverría, M.T.; Ibarra, P.; Pérez Cabello, F. (Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, 2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The variations in the total amount of surface used for arable crops both for dry farming and fallow land, with regard to the different “agricultural policies”, have modified the natural dynamics of some processes such as ...