organohalogen and organotin compounds in killer whales mass-stranded in the shiretoko peninsula, hokkaido, japan.blubber and liver samples were obtained for analysis of wide ranges of contaminants from killer whales (orcinus orca) which were locked away in drifting sea ice on the coast of rausu, the shiretoko peninsula in eastern hokkaido, japan in february 2005. among the organohalogen compounds analyzed, ddts were the predominant contaminants with concentrations ranging from 28 to 220 microg/g on a lipid-weight basis followed by pcbs and other organochlorine pesticides. pbdes levels were two or three ord ...200616540125
stable isotope ratios of carbon, nitrogen and oxygen in killer whales (orcinus orca) stranded on the coast of hokkaido, japan.we analyzed δ(13)c, δ(15)n and δ(18)o in the muscle and liver from killer whales stranded on the coast of japan. the δ(15)n values in the muscle samples from calves were apparently higher than those in their lactating mothers, suggesting that nursing may result in the higher δ(15)n values in the muscle samples of calves. the δ(15)n value in the muscle samples of male and female whales, except for the calves, were positively correlated with the δ(13)c values and body length, suggesting that the i ...201425080859
concentrations of organotin compounds in the stranded killer whales from rausu, hokkaido, japan.we measured the concentrations of butyltin (bt) and phenyltin (pt) compounds in blubber, liver, lung, and muscle of seven stranded killer whales (orcinus orca) collected from rausu, hokkaido, japan. bts in blubber (n = 6), liver (n = 4), lung (n = 1), and muscle (n = 4) of adult whale were in the range of 37-90, 385-676, 15, and 26-53 microg kg(-1) wet weight, respectively. concentrations of pts in blubber, liver, lung, and muscle were <1 to 58, <1 to 14, 7 and <1 to 4 microg kg(-1) wet weight, ...200818166983
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