| investigations of mercury concentrations in walleye and other fish in the athabasca river ecosystem with increasing oil sands developments. | recent studies have reported an increasing trend of mercury concentrations in walleye (sander vitreus) from the athabasca river, north eastern alberta (canada); these studies were based on three years of comparison and attributed the mercury increase to expanding oil sands developments in the region. in order to conduct a more comprehensive analysis of mercury trends in fish, we compiled an extensive database for walleye, lake whitefish (coregonus clupeaformis), northern pike (esox lucius) and l ... | 2012 | 22652822 |
| potential health risks posed by polycyclic aromatic hydrocarbons in muscle tissues of fishes from the athabasca and slave rivers, canada. | polycyclic aromatic hydrocarbons (pahs) are released to the environment from oil sands operations and from natural sources in alberta, canada. concentrations of 16 usepa priority pahs were measured in tissues of fishes collected from three locations on the athabasca river in alberta and two downstream locations on the slave river in the northwest territories, canada. a total of 425 individual fish were collected including 89 goldeye (hiodon alosoides), 93 whitefish (coregonus clupeaformis), 104 ... | 2017 | 26972698 |
| associations between omega-3 fatty acids, selenium content, and mercury levels in wild-harvested fish from the dehcho region, northwest territories, canada. | to better understand the risks and benefits of eating wild-harvested fish from the northwest territories, canada, levels of total mercury (hgt) and selenium (se) and composition of omega-3 fatty acid (n-3 fa) were measured in muscle tissue of fish harvested from lakes in the dehcho region, northwest territories, canada. average hgt levels ranged from 0.057 mg/kg (cisco) to 0.551 mg/kg (northern pike), while average n-3 fa concentrations ranged from 101 mg/100 g (burbot) to 1,689 mg/100 g (lake t ... | 2017 | 27905863 |
| arsenic concentration and speciation in five freshwater fish species from back bay near yellowknife, nt, canada. | the concentration of total arsenic and five different arsenic species [as(iii), as(v), monomethylarsonic acid (mma), dimethylarsenic acid (dma), and arsenobetaine (asb)], were measured in the muscle, liver and gastrointestinal tract (git) of five different fish species [lake whitefish (coregonus clupeaformis), walleye (stizostedion vitreum), northern pike (esox lucius), white sucker (catostomus commersoni) and longnose sucker (catostomus catostomus)] from back bay, great slave lake, near the cit ... | 2008 | 18214701 |