00676nam a2200181 a 450000100080000000500110000800800410001910000170006024500990007726001480017665000190032465300290034365300270037265300230039970000250042270000240044770000230047118802862011-03-10       2010    bl uuuu     u00u1 u    #d1 aLOPES, H. L.  aA model based on biophysical parameters to assess desertification risk.h[electronic resource]  aIn: INTERNATIONAL CONFERENCE: CLIMATE, SUSTAINABILITY AND DEVELOPMENT IN SEMI-ARID REGIONS, 2., 2010, Fortaleza. Anais... Fortaleza: ICIDc2010  aremote sensing  aDegradação da Caatinga  aEnvironmental modeling  aVegetation indices1 aACCIOLY, L. J. de O.1 aSOBRAL, M. do C. M.1 aCANDEIAS, A. L. B.