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Dietz, Rune; Rigét, Frank F; Sonne, Christian; Letcher, Robert J; Backus, S; Born, Erik W; Kirkegaard, Maja; Muir, Derek C G (2007): Concentrations of PBDE and BDE congeners in adipose tissue of East Greenland polar bears (Ursus maritimus) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.808815, Supplement to: Dietz, R et al. (2007): Age and seasonal variability of polybrominated diphenyl ethers in free-ranging East Greenland polar bears (Ursus maritimus). Environmental Pollution, 146, 166-173, https://doi.org/10.1016/j.envpol.2006.05.040

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Abstract:
Polybrominated diphenyl ethers (PBDEs) were analysed in adipose tissue from 92 East Greenland polar bears (Ursus maritimus) sampled during 1999-2001. Mean SumPBDE concentrations were 70 ng/g lipid weight (lw) (range: 22-192 ng/g lw) and showed no relationship with age or sex. Of the 32 analysed PBDE congeners; BDE47, BDE153, BDE99 and BDE100 dominated, and comprised 99.6% of the SumPBDE concentration. The SumPBDE concentration had a highly significant correlation with SumPCB, SumCHL, dieldrin, HCB and SumHCH concentrations. We found a seasonal pattern of median SumPBDE concentration with 1.2 to 1.8 times higher concentrations in March to July than the rest of the year. The seasonal variation also provides a clue to the seasonal exposure, bio-availability, toxic exposure and degradation. We suggest that future geographical PBDE data comparisons may not need corrections for sex or age, but such data sets should be corrected for seasonal variability, using the presented correctional trigonometric regression.
Project(s):
International Polar Year (2007-2008) (IPY)
Coverage:
Median Latitude: 70.500000 * Median Longitude: -25.000000 * South-bound Latitude: 69.000000 * West-bound Longitude: -25.000000 * North-bound Latitude: 74.000000 * East-bound Longitude: -25.000000
Date/Time Start: 1999-01-01T00:00:00 * Date/Time End: 2002-12-31T00:00:00
Event(s):
ScoresbyS_area * Latitude Start: 69.000000 * Longitude Start: -25.000000 * Latitude End: 74.000000 * Longitude End: -25.000000 * Date/Time Start: 1999-01-01T00:00:00 * Date/Time End: 2002-12-31T00:00:00 * Location: East Greenland * Method/Device: Biological sample (BIOS)
Comment:
Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Dietz, R; Rigét, FF; Sonne, C et al. (2007): (Table 1) PBDE and BDE congener concentration in adipose tissue of East Greenland polar bears collected 1999-2001. https://doi.org/10.1594/PANGAEA.808813
  2. Dietz, R; Rigét, FF; Sonne, C et al. (2007): (Table 3) Seasonal PBDE concentrations in adipose tissue of East Greenland polar bears collected 1999-2001. https://doi.org/10.1594/PANGAEA.808814