0185-3309 0185-3309 S0185-33092017000300397 10.18781/r.mex.fit.1611-3 México 00 00 2017 00 00 2017 35 3 397 417

2002 33 325-30 2012 26-52 1991 83 150-7 2013 Second 337 2010 2 43-50 2016 100 227 1998 41 183-9 1985 39 783-91 Food and Agriculture Organization 2014 1996 80 1129-34 2012 96 12 12 1826 2015 97 209-20 1999 41 95-8 2013 30 57-76 2014 67 21-125 2010 891-5 2012 40 214-6 2003 12 53-66 1991 75 373-80 1990 74 537-43 1987 336-46 1993 225-33 2001 80 301-9 2015 99 159-60 2014 9 143-6 2012 223-50 2013 14 115-24 1993 10 512-26 2013 30 2725-9 1990 172 4238-46 1999 37 12 12 3957-64 2013 30 11-47 1990 315-22