Time trends of mean methylmercury concentrations
|
|
(a) Critical deposition of sulfur, and (b) its exceedance, in forest soils of northern Europe and Russia (5th percentile of the calculation points in each EMEP grid cell)
|
|
(a) Critical loads of acidity expressed as sulfur (5th percentile presented for each grid) for lakes in northern Fennoscandia and surface waters on Svalbard, and (b) their exceedance (95th percentile)
|
|
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 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 [..]
|
|
Concentrations, as geometric means, of major organochlorine groups in burbot liver at Fort Good Hope, NWT, Canada (1986-94) Vertical bars denote standard errors
|
|
Temporal trends in levels of PCB, DDT, alpha-HCH, and HCB in muscle from Lake Storvindeln pike and Lake Abiskojaure char in Sweden Mean levels (µg/g lw) and 95% confidence intervals of the mean are [..]
|
|
Temporal trends in PCB and DDE levels in Arctic seabird eggs from Prince Leopold Island, Canada (1975-1993)
|
|
Levels of PCB congeners and PCDD/Fs (ng/g lw) in Lake Storvindeln pike muscle between 1968 and 1992
|
|
Temporal trends of sum-PCB and sum-DDT in blubber of female ringed seals from Holman Island in the western Canadian Arctic Vertical bars represent one SD
|
|
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)
|
|
Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year
|
|
water OR waste searches for either of these words
oceans AND biodiversity searches for blocks with both words
pollution NEAR water searches for blocks with either of these words, with them being closer ranks higher
"climate change" searches for this phrase