1390-6542 1390-6542 S1390-65422018000200125 10.29019/enfoqueute.v9n2.252 Ecuador Ecuador Ecuador 00 06 2018 00 06 2018 9 2 125 137

2005 2622 2014 2011 CANADA CENTRE FOR REMOTE SENSING. 2001 ECOLAP MAE 2007 152-6 2000 216 INAMHI 2009 INGTELSIG 2010 2011 62 40-6 MINISTERIO DEL AMBIENTE 2012 MINISTERIO DEL AMBIENTE DEL ECUADOR 2013 2015 2008 14 3 3 497 2013 4 34-44 2011 13 1 1 24-44