0188-4999 0188-4999 S0188-49992016000200199 10.20937/RICA.2016.32.02.06 Mexico México Mexico 00 05 2016 00 05 2016 32 2 199 211

2007 29 173-91 2000 1 135-47 APHA 1998 20 2005 51 267-73 2006 40 2965-71 2001 44 47-54 1990 23 259-64 2011 6 6 541-52 2009 CONAGUA 2013 2002 36 4642-8 1996 ECOL 1997 2012 3 153-61 2011 64 1169-77 2006 2011 83 107-15 2008 3 1-8 2005 26 361-71 2000 39 57-68 2007 17 522-8 2001 2007 98 2089-101 1994 28 17-26 Metcalf y Eddy 2003 4 2014 75 291-302 2005 51 193-203 2005 58 605-14 2011 64 980-7 SEMARNAT 1996 SEMARNAT 2012 2005 39 2445-57 USEPA 2002 USEPA 2004 2013 68 599-607 2015 175 594-601 2006 63 344-52