Kleivane L, Skaare J U
National Veterinary Institute, PO Box 8156 Dep., N-0033 Oslo 1, Norway.
Environ Pollut. 1998;101(2):231-9. doi: 10.1016/s0269-7491(98)00043-8.
Blubber samples of 72 minke whales (Balaenoptera acutorostrata) were obtained from the northeast Atlantic in July and August 1992, and evaluated for organochlorine contamination. The following organochlorines were determined: the industrial chemicals PCBs (polychlorinated biphenyls), and the organochlorine pesticides DDTs (dichlorodiphenyltrichloroethanes), HCHs (hexachlorocyclohexaneb), HCB (hexachlorobenzene) and CHLs (chlordanes). The concentrations of SigmaPCB (sum of concentrations of 18 PCB congeners) and SigmaDDT (sum of concentrations of p,p'-DDT, p,p'-DDE, p,p'-DDD, o,p'-DDT and o,p'-DDD) ranged from 0.6-20.8 and 0.5-14.8 microg g(-1) lipid weight, with mean concentrations at 3.8 and 2.5 microg g(-1) lipid weight, respectively. The mean concentrations of HCB, the chlordane metabolites oxychlordane, cis-chlordane and trans-nonachlor, and the HCH isomers (alpha-, beta- and gamma-HCH) were all < 1 microg g(-1) lipid weight. Significantly higher concentrations of the three major pollutants (SigmaPCB, SigmaDDT and SigmaCHL) were found in mature males as compared to mature females and juveniles of both sexes. No such relationship was found for SigmaHCH and HCB. Stomach contents of northeast Atlantic minke whales indicate considerable heterogeneity in the diet when comparing different years, seasons and geographical areas. However, without knowing more about the minke whale migration pattern, or possible geographical segregation with age and sex, the interchemical variation of organochlorines between sampling areas may not reflect true geographical differences.
1992年7月和8月，从东北大西洋采集了72头小须鲸（Balaenoptera acutorostrata）的鲸脂样本，并对其有机氯污染情况进行了评估。测定了以下有机氯：工业化学品多氯联苯（PCBs），以及有机氯农药滴滴涕（DDTs）、六氯环己烷（HCHs）、六氯苯（HCB）和氯丹（CHLs）。总多氯联苯（18种多氯联苯同系物浓度之和）和总滴滴涕（p,p'-滴滴涕、p,p'-滴滴伊、p,p'-滴滴滴、o,p'-滴滴涕和o,p'-滴滴滴浓度之和）的浓度范围分别为0.6 - 20.8微克/克脂质重量和0.5 - 14.8微克/克脂质重量，平均浓度分别为3.8微克/克脂质重量和2.5微克/克脂质重量。六氯苯、氯丹代谢物氧氯丹、顺式氯丹和反式九氯以及六氯环己烷异构体（α-、β-和γ-六氯环己烷）的平均浓度均<1微克/克脂质重量。与成年雌性和两性幼鲸相比，成年雄性体内三种主要污染物（总多氯联苯、总滴滴涕和总氯丹）的浓度显著更高。总六氯环己烷和六氯苯未发现这种关系。东北大西洋小须鲸的胃内容物表明，在比较不同年份、季节和地理区域时，其饮食存在相当大的差异。然而，在不了解更多小须鲸迁徙模式或可能的年龄和性别地理隔离情况的前提下，采样区域之间有机氯的化学间差异可能无法反映真正的地理差异。
