2008
DOI: 10.1016/j.scitotenv.2007.09.030
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Fish mercury development in relation to abiotic characteristics and carbon sources in a six-year-old, Brazilian reservoir

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Cited by 25 publications
(20 citation statements)
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“…Mercury contamination of trophic webs in aquatic ecosystems constitutes a complex and poorly understood environmental problem (Belger et al 2006;Da Silva et al 2005;Tuomola et al 2008). The kinetics of mercury in aquatic food webs, physiological factors such as metabolic rate and ecological factors such as carbon source, trophic position, and foodchain length must be considered to better establish the potential risks for both wildlife and fish-eating human population.…”
Section: Resultsmentioning
confidence: 99%
“…Mercury contamination of trophic webs in aquatic ecosystems constitutes a complex and poorly understood environmental problem (Belger et al 2006;Da Silva et al 2005;Tuomola et al 2008). The kinetics of mercury in aquatic food webs, physiological factors such as metabolic rate and ecological factors such as carbon source, trophic position, and foodchain length must be considered to better establish the potential risks for both wildlife and fish-eating human population.…”
Section: Resultsmentioning
confidence: 99%
“…The accumulation of Hg by biota varies widely across reservoirs as shown by the biomagnification factor (BMF). Observed variations of BMF in American and Canadian reservoirs were explained by differences in location (Lavoie et al, 2010), trophic position (Tuomola et al, 2008), food web structure (Liu et al, 2012), and eutrophication status (Zhang et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Lago Manso, another newly impounded man-made Brazilian reservoir, also presents low mercury concentration in its water samples ). 6 Generally, total Hg concentrations in surface waters of the Amazon basin range from 1 to 30 ng L −1 , although higher concentrations may be found immediately downstream of gold mining sites or other Hg pollution sources as well as with high loads of suspended matter. 23 In the region of Petit-Saut hydroelectric reservoirs, French Guiana, close to an area of gold mining activities, total Hg The Mann Whitney U test analysis demonstrated a significant difference (Z = -3.18; p = 0.001) for total Hg concentration between unfiltered water samples from Balbina and Tucuruí reservoirs.…”
Section: Unfiltered Water Samplesmentioning
confidence: 99%
“…6, 2009 Numerous researchers have reported the enrichment of methylmercury in fish from newly impounded reservoirs. [3][4][5][6] Recent studies showed that soil and wetland inundation are important sources of mercury as methylmercury to overlying water, as well as to the aquatic food chain. This causes an increase in the mercury level in the food chain, particularly in predatory fish.…”
Section: Introductionmentioning
confidence: 99%