Search Results: "Marine environment" OR "food-webs" OR "contaminant pathways" OR "POPs (persistent organic pollutants)" OR "bioaccumulation/biomagnification"

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Trends in sum-PCB, sum-DDT, sum-CHL, and toxaphene over a ten year period (20 years for DDT in the Mackenzie Delta) for male narwhal and beluga blubber samples from the Canadian Arctic (N=8-26) Trends in sum-PCB, sum-DDT, sum-CHL, and toxaphene over a ten year period (20 years for DDT in the Mackenzie Delta) for male narwhal and beluga blubber samples from the Canadian Arctic (N=8-26)
Trends in concentration of major organochlorines in blubber of female ringed seals over 6 to 10 years at 3 sites in the eastern Canadian Arctic (N=10-14 animals for each year/site) Trends in concentration of major organochlorines in blubber of female ringed seals over 6 to 10 years at 3 sites in the eastern Canadian Arctic (N=10-14 animals for each year/site)
Body concentrations of PCDD/F and non-ortho and mono-ortho PCBs as TCDD equivalents (pg/g lw) in Arctic mammals compared to thresholds for immunosuppression in harbor seal for the same combinations of substances analyzed Body concentrations of PCDD/F and non-ortho and mono-ortho PCBs as TCDD equivalents (pg/g lw) in Arctic mammals compared to thresholds for immunosuppression in harbor seal for the same combinations of [..]
Concentrations of PCDD/F and non-ortho and mono-ortho PCBs as TCDD equivalents (pg/g ww) in Arctic bird eggs compared to thresholds for avian effects (1 Giesy et al 1994b, 2 Nosek et al 1992, 3 Verrett 1976, Concentrations of PCDD/F and non-ortho and mono-ortho PCBs as TCDD equivalents (pg/g ww) in Arctic bird eggs compared to thresholds for avian effects (1 Giesy et al 1994b, 2 Nosek et al 1992, 3 [..]
Sum-PCB (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 USEPA 1995, Sum-PCB (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 [..]
Concentrations of sum-PCB (µg/g ww) in Arctic bird eggs compared to thresholds for avian effects (1 Barron et al 1995, 2 Giesy et al 1994b, 3 Bosveld and Van den Berg 1994) Concentrations of sum-PCB (µg/g ww) in Arctic bird eggs compared to thresholds for avian effects (1 Barron et al 1995, 2 Giesy et al 1994b, 3 Bosveld and Van den Berg 1994)
Sum-DDT (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 USEPA 1995, Sum-DDT (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 [..]
Comparison of sum-PCB concentrations in seal blubber from various Arctic regions with results from the same species in temperate waters Vertical bars represent means and the horizontal bars the standard deviation, where available Comparison of sum-PCB concentrations in seal blubber from various Arctic regions with results from the same species in temperate waters Vertical bars represent means and the horizontal bars the [..]
Temporal trends in OC levels (ng/g lw) in reindeer from Abisko, Sweden Levels are usually based on a pool of 10 samples Temporal trends in OC levels (ng/g lw) in reindeer from Abisko, Sweden Levels are usually based on a pool of 10 samples
Deposition of PCBs, as mono/di/trichloro- and tetra-nonachlorobiphenyls) in snow cores from the Agassiz Ice Cap (northern Ellesmere Island, Canada) Combined light and dark shaded sections of each bar indicate sum-PCB flux Deposition of PCBs, as mono/di/trichloro- and tetra-nonachlorobiphenyls) in snow cores from the Agassiz Ice Cap (northern Ellesmere Island, Canada) Combined light and dark shaded sections of each bar [..]
Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air
Temporal trends in PCB and DDT levels (µg/g lw ± 95% confidence limits) of otter muscle in Sweden Levels are based on means of 26, 16, and 28 samples (northern Sweden) and 29, 9, and 15 samples (southern Sweden) Temporal trends in PCB and DDT levels (µg/g lw ± 95% confidence limits) of otter muscle in Sweden Levels are based on means of 26, 16, and 28 samples (northern Sweden) and 29, 9, and 15 samples [..]
Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines indicate the source function of PCBs Historical profiles of PCBs (trichloro- and all other) in slices from dated sediment cores in Alaska, Canada, and Finland Median age of each slice is given on the vertical axis The green lines [..]
Organochlorine intake from traditional food consumed by indigenous women in the Canadian Arctic Organochlorine intake from traditional food consumed by indigenous women in the Canadian Arctic
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 [..]

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