1405-2768 1405-2768 S1405-27682007000100023 México 00 00 2007 00 00 2007 23 23 36

2004 463-82 1994 746 1988 17-42 2004 139-41 2004 365-86 2001 739 1990 425 2004 483-99 2004 21-48 2001 1996 42-6 1993 26-37 1985 809 2004 439-62 2000 464-73 INEGI 2000 426 1998 581 2004 387-414 1995 1995 27 303 1963 29-179 2005 9 52 1995 170 2001 406 2004 415-38 Secretarial of the Conservation on Biological Diversity 2001 SEMARNAT 2003 495-505 1998 XIV 81 81 17-29 1998 3 302-15