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Linking biological effects to contaminant levels in sediment, fish and benthic invertebrates along the Swedish coast
Executive, Universitet, Stockholms universitet, SU.
Executive, Universitet, Göteborgs universitet.
Executive, Universitet, Stockholms universitet, SU.
Executive, Företag, Marine Monitoring AB.
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2023 (English)Report (Other academic)
Abstract [en]

The Effect Screening Study commissioned by the Swedish Environmental Protection Agency aimed to assess the biological impact of environmental contaminants in eight polluted hot spot areas along the Swedish coast. The study focused on established biomarkers in fish and benthic invertebrates, questioning their efficacy in contaminant monitoring programs. In the first stage, health status and biomarkers in various species were examined, revealing contamination-related effects. In the second stage, these responses were linked to contaminant concentrations, to identify informative test species and biomarkers for biological effect monitoring in the Baltic Sea. 

Our findings revealed several contaminant groups exceeding safe levels, causing adverse effects on the amphipods and fish. In amphipods, trace metals, Hg, PBDD/F, PBDEs, HCB, and OTCs were linked to embryo aberrations and oxidative stress. In fish, HCBs, PFAS, and PCBs emerged as key predictors of multiple adverse effects and linked to growth-related traits and oxidative stress; moreover, some of the effects in fish were sex-specific. We even developed a highly accurate logistic model (>90%) to assess exposure probability based on the observed biological responses. The study underscores the need for ecologically relevant biomarkers in routine environmental management and the Marine Strategy Framework Directive, emphasizing ongoing research for effective monitoring tools and improved assessment criteria.

Place, publisher, year, edition, pages
2023. , p. 86
Keywords [sv]
Biomarkörer, Effektbaserad miljöövervakning och statusbedömning, fysiologiska variabler, kemisk analys av miljögifter, Statistiska modeller, Giftfri miljö, Östersjön, Bottenhavet, Kattegatt, Skagerrak Svenska kusten, Västra Gotlandsbassängen, Ålands hav
National Category
Environmental Sciences
Research subject
Miljömål
Identifiers
URN: urn:nbn:se:naturvardsverket:diva-11066OAI: oai:DiVA.org:naturvardsverket-11066DiVA, id: diva2:1862699
Funder
Swedish Environmental Protection AgencyAvailable from: 2024-05-30 Created: 2024-05-30 Last updated: 2024-05-30

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Stockholms universitet, SUGöteborgs universitetMarine Monitoring AB
Environmental Sciences

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89101112131411 of 16
CiteExportLink to record
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