Cited by 85Toxic Organic Pollutants ImpactEnvironmental Toxicology and EcotoxicologyMercury impact and mitigation studies

Simulating Climate Change-Induced Alterations in Bioaccumulation of Organic Contaminants in an Arctic marine Food Web

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Borgå, Katrine, Saloranta, Tuomo M., Ruus, Anders·2010·Environmental Toxicology and Chemistry

Abstract

Climate change is expected to alter environmental distribution of contaminants and their bioaccumulation due to changes in transport, partitioning, carbon pathways, and bioaccumulation process rates. Magnitude and direction of these changes and resulting overall bioaccumulation in food webs is currently not known. The present study investigates and quantifies the effect of climate change in terms of increased temperature and primary production (i.e., concentrations of particulate organic carbon, C(POC)), on bioaccumulation of organic contaminants in biota at various trophic levels. The present study covers only parts of the contaminant behavior that is influenced by climate change, and it was assumed that there were no changes in food web structure and in total air and water concentrations of organic contaminants. Therefore, other climate change-induced effects on net bioaccumulation, such as altered contaminant transport and food web structure, should be addressed in future studies. To determine the effect of climate change, a bioaccumulation model was used on the pelagic marine food web of the Arctic, where climate change is expected to occur fastest and to the largest magnitude. The effect of climate change on model parameters and processes, and on net bioaccumulation, were quantified for three modeling substances (gamma-hexachlorocyclohexane [HCH], polychlorinated biphenyl [PCB]-52, and PCB-153) for two possible climate scenarios. In conclusion, increased temperature and C(POC) reduced the overall bioaccumulation of organic contaminants in the Arctic marine food web, with the largest change being for PCB-52 and PCB-153. Reduced bioavailability, due to increased C(POC), was the most influential parameter for the less water soluble compounds. Increase in temperature resulted in an overall reduction in net bioaccumulation.

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  • These data highlight the importance of investigating PFAS exposure and neurotoxicity in varying environmental conditions, as these factors could influence PFAS accumulation in the brain, particularly in the wake of climate change.

    “These data, which are primarily relevant to PFAS distribution in wildlife, highlight the importance of investigating PFAS exposure and neurotoxicity in varying environmental conditions, as these factors could influence PFAS accumulation in the brain, particularly in the wake of climate change (Borgå et al., 2010; Houde et al., 2011; Vidal et al., 2019).”

    From A Critical Review and Meta-Analysis of Impacts of Per- and Polyfluorinated Substances on the Brain and Behavior (2022) · cites this paper as Borgå et al., 2010

    The Introduction says climate-related environmental changes may affect contaminant distribution and bioaccumulation in wildlife, and the results (p. 1355) predict altered bioaccumulation in an Arctic marine food web. The modeled contaminants were HCH and PCBs, however; this paper does not establish an effect on PFAS accumulation in the brain or address PFAS neurotoxicity. (LLM, conf=0.88)

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  1. IPCC Working Group. 2001. Intergovernmental Panel on Climate Change Third Assessment Report: Climate Change 2001-The Scientific Basis. Cambridge University, Cambridge, UK.
  2. K. Borga ˚et al. 15528618, 2010, 6, Downloaded from https://setac.onlinelibrary.wiley.com/doi/10.1002/etc.159 by Readcube (Labtiva Inc.), Wiley Online Library on [14/08/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License · DOI

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Authors
Borgå, K., Saloranta, T. M., & Ruus, A.
Affiliations
Norwegian Institute for Water Research (NO)
Corresponding author
Borgå, Katrine
Venue
Environmental Toxicology and Chemistry
Published
2010-06-01
Volume
29
Issue
6
Pages
1349-1357
ISSN
  • 0730-7268 (ISSN-L)
  • 1552-8618
OpenAlex
W2126863539
Cited by
85
References
51
Citations by year
2025: 5 · 2023: 7 · 2022: 7 · 2021: 10 · 2020: 5 · 2019: 9 · 2018: 3 · 2017: 5 · 2016: 7 · 2015: 5 · 2014: 2 · 2013: 6 · 2012: 6
FWCI
4.88
Type
journal article
Language
en
Open access
Locations
  • Environmental Toxicology and Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
Nordisk Ministerråd
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Mercury impact and mitigation studies
Keywords
climate change, bioaccumulation, organic pollutants, Arctic marine food web, particulate organic carbon, temperature effects, polychlorinated biphenyls, PCB 52, PCB 153, lindane, bioavailability, trophic levels, bioaccumulation modeling, primary production
MeSH terms
Animals, Arctic Regions, Hexachlorocyclohexane, Environmental Monitoring, Environmental Pollutants, Models, Biological, Polychlorinated Biphenyls, Temperature, Water Pollutants, Chemical, Food Chain, Climate Change, Aquatic Organisms

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