1659-1321 1659-1321 S1659-13212018000200315 10.15517/ma.v29i2.27126 México México México 00 08 2018 00 08 2018 29 2 315 323

2016 99 276-80 2015 98 424-9 2012 41 1653-61 1990 15 159-62 2010 69 209-31 1981 CONAGUA (Comisión Nacional del Agua) 2015 2013 59 2 2 82-94 2012 58 83-90 2012 13 12-9 2004 2004 2011 17 1289-300 2015 98 579-87 2011 40 533-41 2004 29 614-20 2008 31 16-28 2012 41 768-75 2006 89 175-82 2008 91 546-54 2003 2009 29 1-7 2007 25 273-7 R Development Core Team 2008 1994 23 1409-15 1985 14 637-40 2002 2010 60 349-62 1996 21 79 79 87-100