Repositorios 328 Catálogos de Bibliotecas 113 Revistas 38

Argentina 412 Rivers 191 South America 178 Parana River 97 article 96 river 92 Animals 64 Buenos Aires [Argentina] 61 nonhuman 58 phytoplankton 56 Ciencias Naturales 48 wetland 48 algae 46 Wetlands 45 Paraná River 43 water pollution 42 Arqueología 40 Water Pollutants, Chemical 40 river basin 40 water quality 39 Environmental Monitoring 38 flooding 38 floodplain 38 Río de la Plata 36 river discharge 36 Late Holocene 35 Patagonia 33 Rio de la Plata 33 heavy metal 32 Holoceno tardío 31