Search Results: "Freshwater environment" OR "organochlorines" OR "POPs (persistent organic pollutants)" OR "PCBs" OR "pesticides" OR "freshwater fish" OR "time trends"

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Conceptual model of the terrestrial/freshwater compartment showing the main subcompartments and contaminant transfers, and exchanges with the atmosphere and oceans Conceptual model of the terrestrial/freshwater compartment showing the main subcompartments and contaminant transfers, and exchanges with the atmosphere and oceans
Hydrographs showing two types of streamflow regimes for Arctic rivers: a) Arctic nival regime and b) proglacial regime Hydrographs showing two types of streamflow regimes for Arctic rivers: a) Arctic nival regime and b) proglacial regime
a) The annual (1973-1990) and mean annual hydrographs for the Mackenzie River above the Arctic Red River, NWT, Canada, indicating the dominance of the spring freshet in May a) The annual (1973-1990) and mean annual hydrographs for the Mackenzie River above the Arctic Red River, NWT, Canada, indicating the dominance of the spring freshet in May
Monthly mean discharge expressed as a percent of annual discharge from available data for selected Russian and Canadian rivers draining to the Arctic Monthly mean discharge expressed as a percent of annual discharge from available data for selected Russian and Canadian rivers draining to the Arctic
Comparison of monthly water and suspended sediment loads to the Mackenzie Delta plain for the period 1974-1983 Comparison of monthly water and suspended sediment loads to the Mackenzie Delta plain for the period 1974-1983
Illustration of the movement of less dense spring freshet water moving through a small Arctic lake underneath the surface ice cover, but not mixing with the water column Illustration of the movement of less dense spring freshet water moving through a small Arctic lake underneath the surface ice cover, but not mixing with the water column
Monthly mean discharges for the Nelson River, Canada for the period 1960 to regulation in 1973, compared to post-regulation discharges from 1976 to 1990 Monthly mean discharges for the Nelson River, Canada for the period 1960 to regulation in 1973, compared to post-regulation discharges from 1976 to 1990
Distribution of organochlorine contaminants (OCs) in Arctic air, snow, seawater, and the marine mammals food chain Data for the six major classes of OCs are plotted for each compartment or species as the percent of Distribution of organochlorine contaminants (OCs) in Arctic air, snow, seawater, and the marine mammals food chain Data for the six major classes of OCs are plotted for each compartment or species as [..]
Concentrations of sum-HCH in Arctic air Concentrations of sum-HCH in Arctic air
AHH induction in lake trout from Canada AHH induction in lake trout from Canada
Comparison of bone collagen in lake trout from Peter Lake, NWT and from Yukon lakes, and in toxaphene- treated and control fish from Lake 260 Comparison of bone collagen in lake trout from Peter Lake, NWT and from Yukon lakes, and in toxaphene- treated and control fish from Lake 260
Aryl hydrocarbon hydroxylase (AHH, nmol/mg microsomal protein/min) activities in liver microsomes of beluga taken from the Eskimo Lakes area of the Mackenzie Delta, as a function of PCB congener concentrations in blubber Aryl hydrocarbon hydroxylase (AHH, nmol/mg microsomal protein/min) activities in liver microsomes of beluga taken from the Eskimo Lakes area of the Mackenzie Delta, as a function of PCB congener [..]
Changes with time in European atmospheric emissions of Cd, Pb and Zn Changes with time in European atmospheric emissions of Cd, Pb and Zn
Latitudinal gradient of deposition of Pb in Norway in different years, as reflected by Pb concentrations in moss Latitudinal gradient of deposition of Pb in Norway in different years, as reflected by Pb concentrations in moss
Changes with time in concentrations of Cd, Pb and Hg in liver and muscle tissue of reindeer (Rangifer tarandus) sampled in three districts in eastern Sweden Changes with time in concentrations of Cd, Pb and Hg in liver and muscle tissue of reindeer (Rangifer tarandus) sampled in three districts in eastern Sweden

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