The artificial reservoir Lagoa da Pampulha in central Brazil has been increasingly affected
by sediment deposition and pollution from urban and industrial sources. This study …

The Cima Lake (CL) is a freshwater system located in the Northern Region of Rio de Janeiro
State. It has a history of agricultural and cattle raising activities. The original Atlantic forest …

Urbanization and anthropogenic activities create many environmental issues in urban water
supply reservoirs, especially in metropolitan regions. Thus, this study was carried out aiming …

Sediments are formed by deposition of organic and inorganic particles on depth of water
bodies, being an important role in aquatic ecosystems, including destination and potential …

Juturnaíba Lake has been utilized for the captation of water to supply over one million
people in the Lakes Region, Rio de Janeiro, Brazil. The water treatment plant sludges have …

The aim of this study was to assess the distribution of metals in sediments and surface water
within the Lago Paranoá catchment in Central Brazil, and to evaluate metal enrichments due …

Aim: Nowadays, one of the major concerns of the ecology studies relating to aquatic
ecosystems refers to the impact caused by the releasing of heavy metals in several natural …

On November 5, 2015, the Fundão dam ruptured which caused the spill of a large quantity of
tailings from the extraction of iron ores to the Gualaxo do Norte, Carmo and Doce Rivers …

Urban water supply reservoirs, their quality and quantity of water are affected by
anthropogenic activities and environmental changes. They are aquatic ecosystems that …

The Jacarepaguá lagoon receives the waste from 239 industries and domestic sewage.
Bottom sediment analysis revealed that metal pollution is not spread over the lagoons but …