2310-3469 2310-3469 S2310-34692018000300354 Ecuador 00 12 2018 00 12 2018 6 3 354 365

1996 2010 2017 11 1991 78 2 2 273-95 2016 2018 1984 MINISTERIO DEL AMBIENTE (MAE) 2018 MINISTERIO DEL AMBIENTE (MAE) 2012 NITROGEN FIXING TREE ASSOCIATON 1990 1994 2013 57 2004