Amazon 1 Cuencas hidrogrf̀icas 1 Degradacin̤ del medio ambiente; recursos hd̕ricos; matriz de interaccin̤; rio Parafuso; Amazonas 1 Environmental degradation 1 Environmental impact assessment 1 Evaluacin̤ de impacto ambiental 1 Parafuso river 1 več ... Watersheds 1 matrix of interaction 1 water resource 1 manj ...