a history of total mercury in edible muscle of fish from lakes in northern canada.subsistence fishing has been an important source of food for native people in northern canada since prehistoric time. measurements of the levels of mercury in edible muscle of northern fish have been undertaken for over three decades in efforts to evaluate the risks of consuming northern fish. this report summarizes the data obtained from 7974 fish of 25 species from sites distributed from the yukon to labrador. the most abundant species were lake trout, lake whitefish, arctic char, walleye, nor ...200516169059
spatial and temporal trends of contaminants in canadian arctic freshwater and terrestrial ecosystems: a review.the state of knowledge of contaminants in canadian arctic biota of the freshwater and terrestrial ecosystems has advanced enormously since the publication of the first major reviews by lockhart et al. and thomas et al. in the science of the total environment in 1992. the most significant gains are new knowledge of spatial trends of organochlorines and heavy metal contaminants in terrestrial animals, such as caribou and mink, and in waterfowl, where no information was previously available. spatia ...199910466229
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