1870-3925 1870-3925 S1870-39252019000100121 10.22198/rys2019/31/1127 Mexico Argentina Argentina Argentina Argentina 00 00 2019 00 00 2019 31

2011 2003 35 2 2 305-14 2006 7 13 13 2016 223-43 2018 2010 3 59-76 2013 3 1 1 14 1981 10 2 2 141-63 2013 18 1012 1012 26 2019 XX X X 1-28 2007 36 3 3 343-52 1993 8 27-45 2018 2003 16 2 2 87-104 2011 235-44 2006 45 4 4 483-99 2016 11 21 21 109-40 2006 67 1-2 1-2 280-92 2010 16 6 6 419-27 1991 2009 37 2 2 139-47 2016 89 171-2 2006 14 81 81 27-31 2011 245-59 1991 12 4 4 375-90 2011 5 12 12 875-85 1977 1996 13 6 6 522-5 2012 7 034022 2012 17 3 3 613-9 2005 2002 11 11 237-42 1991 38 38 24-9 2014 31 53-67 2011 27 759-84 Provincia de Río Negro 1962 2016 51-69 2016 16 71 71 83-110 1964 73-8 2001 1 1 1 95-111 2017 2017 173-89 2009 42-60 2009 1-19 1974 211-52 1975 65 2 2 151-65 1976 66 2 2 266-76 1991 81 4 4 684-96 2009 2015 43 1 1 15-35 2015 149-52