2215-2466 2215-2466 S2215-24662017000200073 10.22458/rr.v7i2.1833 Costa Rica 00 12 2017 00 12 2017 7 2 73 92

1993 2000 1992 57-58 57-58 7-16 CNP 2017 CNP 2017 CrHoy 2017 2011 2006 Google Earth, Digital Globe 2016 2011 2008 1987 2006 21 211-25 2013 2008 1 1 74-90 PRODUS 2017 1992 57-58 57-58 88-100 2008 1 1 74-90 2007 85-107