Recovery of mercury-contaminated fisheries

J Munthe, RAD Bodaly, BA Branfireun… - AMBIO: A Journal of the …, 2007 - BioOne
In this paper, we synthesize available information on the links between changes in
ecosystem loading of inorganic mercury (Hg) and levels of methylmercury (MeHg) in fish …

[HTML][HTML] The impact of hydroelectric dams on mercury dynamics in South America: A review

IA Pestana, LS Azevedo, WR Bastos, CMM de Souza - Chemosphere, 2019 - Elsevier
The increase in global demand for electric energy is reflected in plans to construct numerous
hydroelectric dams in South America that can cause chronic ecological impacts if not built …

Trophic magnification factors: considerations of ecology, ecosystems, and study design

K Borgå, KA Kidd, DCG Muir… - Integrated …, 2012 - Wiley Online Library
Recent reviews by researchers from academia, industry, and government have revealed that
the criteria used by the Stockholm Convention on persistent organic pollutants under the …

Large-scale projects in the amazon and human exposure to mercury: The case-study of the Tucuruí Dam

GPF Arrifano, RCR Martín-Doimeadios… - Ecotoxicology and …, 2018 - Elsevier
Abstract The Tucuruí Dam is one of the largest dams ever built in the Amazon. The area is
not highly influenced by gold mining as a source of mercury contamination. Still, we recently …

Reservoir stratification affects methylmercury levels in river water, plankton, and fish downstream from Balbina hydroelectric dam, Amazonas, Brazil

D Kasper, BR Forsberg, JHF Amaral… - Environmental …, 2014 - ACS Publications
The river downstream from a dam can be more contaminated by mercury than the reservoir
itself. However, it is not clear how far the contamination occurs downstream. We investigated …

Reservoirs: New challenges for ecosystem studies and environmental management

JG Tundisi - Water Security, 2018 - Elsevier
Reservoirs are essential for water security. All watersheds with reservoirs are impacted by
their construction. These artificial ecosystems controlled by humans, change considerably …

Contaminação por mercúrio em ecossistemas aquáticos: uma análise das áreas críticas

LD Lacerda, O Malm - Estudos avançados, 2008 - SciELO Brasil
O processo de contaminação por mercúrio em ecossistemas aquáticos é discutido, levando-
se em consideração as características biogeoquímicas atuantes nesses sistemas que …

Comparative study of mercury speciation in commercial fishes of the Brazilian Amazon

RC Rodríguez Martín-Doimeadios… - … Science and Pollution …, 2014 - Springer
Mercury is responsible for serious episodes of environmental pollution throughout the world,
especially in the Amazon. This toxicity has led regulatory agencies to focus on fish as the …

Evidence of elevated mercury levels in carnivorous and omnivorous fishes downstream from an Amazon reservoir

D Kasper, EFA Palermo, CWC Branco, O Malm - Hydrobiologia, 2012 - Springer
Hydroelectric reservoirs can stratify, producing favorable conditions for mercury methylation
in the hypolimnion. The methylmercury (MeHg) can be exported downstream, increasing its …

Methylmercury in a predatory fish (Cichla spp.) inhabiting the Brazilian Amazon

HA Kehrig, BM Howard, O Malm - Environmental Pollution, 2008 - Elsevier
This research tested whether limnological conditions, biological characteristics of fish and
anthropogenic impacts influenced the assimilation of methylmercury into the muscle of a …