Polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran levels and patterns in fish and fish-eating wildlife in the Baltic Sea

Jansson, Bo; Bergek, Sture; Hjelt, M.; Rappe, Christoffer; Olsson, Mats; Andersson, Östen

doi:10.1016/0045-6535(92)90509-p

Cited by 19 publications

(9 citation statements)

References 4 publications

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“…1). In agreement with previous observations (Bignert et al 1989;Norstrom et al 1990;De Wit et al 1992;Bergek et al 1992), blubber levels of PCDDs and PCDFs were relatively low, especially when compared to the estimated cumulative intakes (less than 0.1%, fig. 1).…”

Section: Discussionsupporting

confidence: 80%

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Short term fasting does not aggravate immunosuppression in harbour seals (Phoca vitulina) with high body burdens of organochlorines

et al. 1995

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Two groups of 11 harbour seals (Phoca vitulina) with different body burdens of organochlorines were subjected to an experimental 15-day fasting period, during which they lost an average 16.5% of their body weights. Blood levels of the most persistent organochlorines showed an approximate twofold increase, while levels of aryl hydrocarbon receptor-binding organochlorines remained largely unaffected. Few differences in immunological parameters were observed between the two dietary groups. Numbers of circulating lymphocytes dropped to about 65% of the initial values and NK cell activity showed a slight increase in both groups.Mitogen-and antigen-induced lymphoproliferative responses of the Baltic group of seals remained within normal ranges. These results suggest that relatively short-term fasting periods do not present an additional immunotoxicological risk to seals with high body burdens of organochlorines.

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Section: Discussionsupporting

confidence: 80%

“…Organochlorine levels in the herring were in line with previously published data on Baltic and Atlantic herring (Olsson and Reutergardh, 1986;Haahti and Perttil~t, 1988;De Wit et al 1992;Roots and Aps, 1993).…”

Section: Discussionsupporting

confidence: 75%

Short term fasting does not aggravate immunosuppression in harbour seals (Phoca vitulina) with high body burdens of organochlorines

et al. 1995

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“…As noted by de Wit et al (1992), the N-TEq levels reported by for Baltic seal species were similar on lipid basis to those in herring, indicating no biomagnification of toxic PCDD/Fs to seals.…”

Section: Seals and Other Marine Mammalsmentioning

confidence: 57%

“…The levels have depended in part on analytical methods and on whether and what PCBs have been included. only analyzed 0-ortho PCBs in addition to PCDD/Fs, and de Wit et al (1992) only PCDD/ Fs, finding 10-to 30-fold biomagnification of lipid-based N-TEqs from pike to eagle eggs, comparable with that from herring to guillemot eggs. Falandysz et al (1994a) reported levels in wet weight but not lipid contents.…”

Section: Birds Of Preymentioning

confidence: 95%

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Risks and Management of Dioxins and Dioxin-like Compounds in Baltic Sea Fish: An Integrated Assessment

2006

TemaNord

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Polychlorierte Dibenzo‐p‐dioxine, ‐furane (PCDD/F) und Analoga in Oberflächensedimenten und datierten aquatischen Sedimentkernen

Ricking

Terytze

1995

Acta hydrochim. hydrobiol.

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Aquatische Sedimente sind finale Senken für unbeabsichtigt formierte PCDD/F. Ungeklärt sind die Bildungsbedingungen für die PCDD in 8120 Jahre alten Sedimenten der Harima‐Nada‐Bucht in Japan und in 350 bis 400 Jahre alten Sedimenten der Ostsee. Sie eignen sich unter Berücksichtigung von Transformationsprozessen als Quellenindikatoren. In ihnen sind PCDD/F 30 km vom Emittenten nachgewiesen worden, im Benthos in bis zu 50 km Distanz, ein beachtliches Bioakkumulationspotential indizierend. Neben fehlenden Kontaminationsdaten sind die sedimentinternen Verteilungs‐ und Diageneseprozesse, die Prozesse an der Sediment/Wasser‐Grenzfläche, die aeroben und anaeroben Degradationsreaktionen und die Bioverfügbarkeit aus Sedimenten zu analysieren. Die Quellen und die Transport‐ und Transformationspfade sind weitergehend zu erforschen. Eine Kontaminationsbewertung hinsichtlich der PCDD/F inklusive Analoga in Sedimenten und aquatischen Ökosystemen ist zu erarbeiten.

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Polychlorinated dibenzo-p-dioxin and polychlorinated dibenzofuran levels and patterns in fish and fish-eating wildlife in the Baltic Sea

Cited by 19 publications

References 4 publications

Short term fasting does not aggravate immunosuppression in harbour seals (Phoca vitulina) with high body burdens of organochlorines

Short term fasting does not aggravate immunosuppression in harbour seals (Phoca vitulina) with high body burdens of organochlorines

Risks and Management of Dioxins and Dioxin-like Compounds in Baltic Sea Fish: An Integrated Assessment

Polychlorierte Dibenzo‐p‐dioxine, ‐furane (PCDD/F) und Analoga in Oberflächensedimenten und datierten aquatischen Sedimentkernen

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