Trends of PCB concentrations in Lake Michigan coho and chinook salmon, 1975–2010

Rasmussen, Paul W.; Schrank, Candy S.; Williams, Meghan C.W.

doi:10.1016/j.jglr.2014.05.011

Cited by 31 publications

(19 citation statements)

References 39 publications

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“…Lake Michigan Water Transfer Project (Chicago, USA) is one of the earliest and most controversial IBTs, since it has a long history of suffering from various kinds of contaminants such as persistent organic pollutants (Murphy and Rzeszutko 1977;Delfino, 1979;Rasmussen et al, 2014).…”

Section: Spread Of New Pollution and Diseasesmentioning

confidence: 99%

Eco-environmental impact of inter-basin water transfer projects: a review

Zhuang

2016

Environ Sci Pollut Res

187

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The objective reality of uneven water resource distribution and imbalanced water demand of the human society makes it inevitable to transfer water. It has been an age-old method to adopt the inter-basin water transfers (IBTs) for alleviating and even resolving the urgent demand of the waterdeficient areas. A number of countries have made attempts and have achieved enormous benefits. However, IBTs inevitably involve the redistribution of water resources in relevant basins and may cause changes of the ecological environment in different basins. Such changes are two-sided, namely, the positive impacts, including adding new basins for waterdeficient areas, facilitating water cycle, improving meteorological conditions in the recipient basins, mitigating ecological water shortage, repairing the damaged ecological system, and preserving the endangered wild fauna and flora, as well as the negative impacts, including salinization and aridification of the donor basins, damage to the ecological environment of the donor basins and the both sides of the conveying channel system, increase of water consumption in the recipient basins, and spread of diseases, etc. Because IBTs have enormous ecological risk, it is necessary to comprehensively analyze the inter-basin water balance relationship, coordinate the possible conflicts and environmental quality problems between regions, and strengthen the argumentation of the ecological risk of water transfer and eco-compensation measures. In addition, there are some effective alternative measures for IBTs, such as attaching importance to water cycle, improving water use efficiency, developing sea water desalination, and rainwater harvesting technology, etc.

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Section: Spread Of New Pollution and Diseasesmentioning

confidence: 99%

Eco-environmental impact of inter-basin water transfer projects: a review

Zhuang

2016

Environ Sci Pollut Res

187

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“…Wisconsin DNR data have also shown that PCB concentrations have decreased dramatically in Lake Michigan salmon species from 1975-2010, but the rate of decline is much less in recent years compared with the earliest years of data collected (Rasmussen et al, 2014). Similarly, longitudinal biomonitoring among a group of Great Lakes fish consumers has shown a decreased in serum PCBs over time, although the rate of decline was relatively slow at 3.5% per year (Knobeloch et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Levels of persistent contaminants in relation to fish consumption among older male anglers in Wisconsin

Christensen

Thompson

Werner

et al. 2016

International Journal of Hygiene and Environmental Health

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Fish are an important source of nutrients which may reduce risk of adverse health outcomes such as cardiovascular disease; however, fish may also contain significant amounts of environmental pollutants such as mercury, polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and perfluorinated compounds (PFCs, also called perfluoroalkyl compounds), which confer increased risk for adverse health effects. The Wisconsin Departments of Health Services and Natural Resources developed a survey instrument, along with a strategy to collect human biological samples to assess the risks and benefits associated with long-term fish consumption among older male anglers in Wisconsin. The target population was men aged 50 years and older, who fish Wisconsin waters and live in the state of Wisconsin. Participants provided blood and hair samples and completed a detailed (paper) questionnaire, which included questions on basic demographics, health status, location of catch and species of fish caught/eaten, consumption of locally caught and commercially purchased fish, and awareness and source of information for local and statewide consumption guidelines. Biological samples were used to assess levels of PCBs, PBDEs, PFCs (blood), and mercury (hair and blood). Quantile regression analysis was used to investigate the associations between biomarker levels and self-reported consumption of fish from the Great Lakes and other areas of concern, other locally caught fish, and commercially purchased fish (meals per year). Respondents had a median age of 60.5 (interquartile range: 56, 67) years. The median fish consumption was 54.5 meals per year, with most fish meals coming from locally-caught fish. Participants had somewhat higher mercury levels compared with the US general population, while levels of other contaminants were similar or lower. Multivariate regression models showed that consumption of fish from the Great Lakes and areas of concern was associated with higher levels of each of the contaminants with the exception of PBDEs, as was consumption of locally caught fish from other water bodies. All commercial fish consumption was also associated with both hair and blood mercury. When looking at specific PCB, PBDE and PFC analytes, consumption of fish from the Great Lakes and areas of concern was associated with higher levels of each of the individual PCB congeners examined, as well as higher levels of all of the PFCs examined, with the exception of PFHxS. Among the PFCs, locally caught fish from other water bodies was also associated with higher levels of each of the congeners examined except PFHxS. Finally, all commercial fish was associated with higher levels of PFHxS.

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“…The global usage of PCBs culminated in the mid 1970's (Breivik et al, 2007), and since then concentrations in the environment have decreased dramatically (Schuster et al, 2010;Airaksinen et al, 2014;Pavlova et al, 2014;Rasmussen et al, 2014). Currently, the PCB decline in the environment is levelling off (Hansson et al, 2006;Thevenon et al, 2013;Airaksinen et al, 2014), which for the Baltic Sea also would imply stabilising PCB concentrations in biota.…”

Section: Introductionmentioning

confidence: 99%