ArticleScientific reports2018
Projected amplification of food web bioaccumulation of MeHg and PCBs under climate change in the Northeastern Pacific.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 78 citations in OpenAlex.
- Article
- Cumulative Anthropogenic Impacts of Past and Future Emissions and Releases on the Global Mercury Cycle.Environmental science & technology · 2025Article
- Exploring Drivers of Historic Mercury Trends in Beluga Whales Using an Ecosystem Modeling Approach.ACS environmental Au · 2024Article
- Article
- Bioaccumulation and biomagnification of heavy metals in marine micro-predators.Communications biology · 2023Article
- Sediment Spatial Distribution and Quality Assessment of Metals in Chinook Salmon and Resident Killer Whale Marine Habitat in British Columbia, Canada.Archives of environmental contamination and toxicology · 2023Article
- Review
- Human Health and Ocean Pollution.Annals of global health · 2020Review
- Climate change considerations are fundamental to management of deep-sea resource extraction.Global change biology · 2020Article
- Effects of temperature, salinity, and sediment organic carbon on methylmercury bioaccumulation in an estuarine amphipod.The Science of the total environment · 2019Article
- Brain diseases in changing climate.Environmental research · 2019Review
- Synergistic Effects of Climate Change and Marine Pollution: An Overlooked Interaction in Coastal and Estuarine Areas.International journal of environmental research and public health · 2019Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Climate change increases exposure and bioaccumulation of pollutants in marine organisms, posing substantial ecophysiological and ecotoxicological risks. Here, we applied a trophodynamic ecosystem model to examine the bioaccumulation of organic mercury (MeHg) and polychlorinated biphenyls (PCBs) in a Northeastern Pacific marine food web under climate change. We found largely heterogeneous sensitivity in climate-pollution impacts between chemicals and trophic groups. Concentration of MeHg and PCBs in top predators, including resident killer whales, is projected to be amplified by 8 and 3%, respectively, by 2100 under a high carbon emission scenario (Representative Concentration Pathway 8.5) relative to a no-climate change control scenario. However, the level of amplification increases with higher carbon emission scenario for MeHg, but decreases for PCBs. Such idiosyncratic responses are shaped by the differences in bioaccumulation pathways between MeHg and PCBs, and the modifications of food web dynamics between different levels of climate change. Climate-induced pollutant amplification in mid-trophic level predators (Chinook salmon) are projected to be higher (~10%) than killer whales. Overall, the predicted trophic magnification factor is ten-fold higher in MeHg than in PCBs under high CO
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