Assessing erosion risks in the gypsiferous steppe of Litigio (NE Spain). An approach using GIS

Journal of Arid Environments - Tập 37 - Trang 433-441 - 1997
A. Navas1, J. Machı́n1
1Departamento de Edafologı́a, Estación Experimental de Aula Dei, CSIC, Apartado 202, 50080, Zaragoza, Spain