Investigating the Ecotoxicity of Select Emerging Organic Contaminants Toward the Marine Copepod <i>Gladioferens pectinatus</i>

Barrick, Andrew; Champeau, Olivier; Butler, Juliette; Wiles, Tanja; Boundy, Mike; Tremblay, Louis A.

doi:10.1002/etc.5275

Cited by 10 publications

(4 citation statements)

References 60 publications

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“…POPs include pesticides, such as aldrin, chlordan, DDT, dieldrin, endrin, heptachlor, hexachlorbenzene, mirex, αand β-hexachlorocyclohexane, chlordecone, and lindane, as well as industri-ally manufactured chemical compounds, such as polychlorobiphenyls, hexachlorobenzene (which is also a pesticide), hexabromdiphenyl, hexa-and-heptabromdiphenyl ether (commercial octabromdiphenyl ether), pentachlorbenzene, perfluoroctane sulphacid, and its salts, perfluoroctane sulfonyl fluoride, tetra-and pentabromdiphenyl ether (commercial pentabromdiphenyl ether), and such unintentional byproducts as polychlorinated dioxins and furans [85]. These highly toxic compounds can come to the environment due to various anthropogenic activities, can be transported for long distances by air and water, and can make up hazardous concentrations in waters [73,86,87]. In 2021, the European Commission adopted a proposal to protect human health and the environment from some of the most harmful chemicals in waste: POPs.…”

Section: Dispersion Into the Environmentmentioning

confidence: 99%

“…In 2021, the European Commission adopted a proposal to protect human health and the environment from some of the most harmful chemicals in waste: POPs. The convention provided for the possibility of appending the current list of compounds with other ones with the accumulation of necessary information if the newly introduced compounds have principal characteristics of POPs: high stability in the environment, resistance to degradation, acute and chronic toxicity, bioaccumulation, and the ability to be transferred across boundaries for great distances in the environment [86,87]. Table 3 lists the time periods needed for the decomposition of these compounds.…”

Section: Dispersion Into the Environmentmentioning

confidence: 99%

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Surface Water under Growing Anthropogenic Loads: From Global Perspectives to Regional Implications

Моисеенко

2022

Water

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This paper reviews currently available evaluations of the effects of continuously increasing anthropogenic loads on water resources. The increase in the fluxes of elements and compounds into the environment, such as the emission of greenhouse gases and dispersion of nutrients (nitrogen and phosphorus), acidifying gases, and toxic elements and compounds that adversely affect water quality, are considered. The significance of fresh waters as a life support factor for human populations is demonstrated. Examples illustrate how key anthropogenic-induced processes develop in land waters under the effect of anthropogenic loads, as exemplified by the Russian Kola regions. Climate warming and the increasing dispersion of elements are demonstrated to result in the eutrophication of surface waters, even in areas remote from anthropogenically impacted regions. Although the emissions of acidifying gases diminish, the waters are still acidified in acid-vulnerable areas, and the chemical compositions of the waters have been significantly modified over the past decades, indicating that the changes in the chemical composition of the waters are irreversible. A new feature of the waters is distinguished: the toxicity of the habitats for aquatic organisms. The novelty of the work was to highlight the bridge between anthropogenic loads on surface water on a planetary scale and their consequences in certain regions, which reflect changes in water quality. Arguments are presented for establishing a theoretical approach for evaluating critical loads.

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Section: Dispersion Into the Environmentmentioning

confidence: 99%

Section: Dispersion Into the Environmentmentioning

confidence: 99%

Surface Water under Growing Anthropogenic Loads: From Global Perspectives to Regional Implications

Моисеенко

2022

Water

View full text Add to dashboard Cite

show abstract

“…POPs include pesticides, such as aldrin, chlordan, DDT, dieldrin, endrin, heptachlor, hexachlorbenzene, mirex, α-and β-hexachlorocyclohexane, chlordecone, and lindane, as well as industrially manufactured chemical compounds, such as polychlorobiphenyls, hexachlorobenzene (which is also a pesticide), hexabromdiphenyl, hexa-and-heptabromdiphenyl ether (commercial octabromdiphenyl ether) , pentachlorbenzene, perfluoroctane sulphacid and its salts, perfluoroctane sulfonyl fluoride, tetra-and pentabromdiphenyl ether (commercial pentabromdiphenyl ether), and such unintentional byproducts as polychlorinated dioxins and furans [80]. These highly toxic compounds can come to the environment as a result of various anthropogenic activities, can be transported for long distances with air and waters, and are able to make up hazardous concentrations in waters [68,81,82]. In 2021, the European Commission adopted a proposal to protect human health and the environment from some of the most harmful chemicals in waste: POPs.…”

Section: Metalsmentioning

confidence: 99%

“…In 2021, the European Commission adopted a proposal to protect human health and the environment from some of the most harmful chemicals in waste: POPs. The convention provided for the possibility of appending the current list of compounds by other ones with the accumulation of necessary information, if the newly introduced compounds have principal characteristics of POPs: high stability in the environment, resistance to degradation, acute and chronic toxicity, bioaccumulation, and the ability to be transferred across boundaries for great distances in the environment [81,82]. Table 3 lists time periods needed for the decomposition of these compounds.…”

Section: Metalsmentioning

confidence: 99%

Surface Water under Growing Anthropogenic Loads: from Global Loads to Regional Consequences: A Review

Моисеенко¹

2022

Preprint

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The paper presents a review of currently available evaluations of the effects of continuously increasing anthropogenic loads on water resources. The increase in the fluxes of elements and compounds into the environment, such as the emission of greenhouse gases and dispersion of nutrients (nitrogen and phosphorus), acidifying gases, and toxic elements and compounds that adversely affect the water quality are considered. The significance of fresh waters as a life support factor of the human populations is demonstrated. Examples are presented to illustrate how key anthropogenic induced processes develop in land waters under the effect of anthropogenic loads, as exemplified by the Russian Kola regions. Climate warming and the increasing dispersion of elements are demonstrated to result in the eutrophication of surface waters even in areas remote from anthropogenic impacted regions. Although the emissions of acidifying gases diminish, the waters are still acidified in acid-vulnerable areas, and the chemical compositions of the waters have been significantly modified over the past decades, which indicates that the changes in the chemical composition of the waters are of irreversible. A new feature of the waters is distinguished: the toxicity of the habitats for aquatic organisms. Arguments are presented for establishing a theoretical approach for evaluating critical loads.

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Sensitivity of Alabama Freshwater Gastropod Species to Nickel Exposure

Barrick,

Parham,

Johnson

et al. 2024

Enviro Toxic and Chemistry

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Snails are effective bioindicators due to their prolific distribution, high level of endemism, and capacity to accumulate contaminants. Freshwater snails have unique ecological niches which are imperiled by land‐use change and the introduction of hazardous chemicals. To assess how environmental alterations affect gastropods, lab‐based studies are needed to characterize the toxicity of specific stressors. This can help guide policy decisions and remediation efforts. The aim of this research was to characterize acute toxicity of nickel (Ni) on endemic snails (Somatogyrus georgianus [Walker, 1904], Elimia cahawbensis [Lea, 1861], and Elimia spp.) and measure the accumulation of Ni and mineral elements including calcium (Ca), magnesium, potassium, and sodium (Na). Snails were exposed to six concentrations (25–800 µg/L) of Ni for 96 h. Among the studied snail species, E. cahawbensis was the most sensitive to Ni, with the lowest lethal concentration where 50% of the organisms died (LC50) at 88.88 µg/L Ni after 96 h. The LC50 at 96 h for S. georgianus was 167.78 µg/L Ni, and 393.13 μg/L Ni for Elimia spp. Except for Elimia spp., mortality of the other two snail species corresponded to the whole‐body uptake of Ni. Nickel exposure also influenced Ca and Na uptake for Elimia spp. All three endemic species are potential candidate species for evaluating localized effects of human activities, and the present study provides a first step in characterizing how snails would be affected by environmental alterations. More research could further characterize potential effects of other human stressors on these endemic snail species. Future research into subindividual responses and routes of exposure can further elucidate variations in species sensitivity. Environ Toxicol Chem 2024;43:2578–2588. © 2024 SETAC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.

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Investigating the Ecotoxicity of Select Emerging Organic Contaminants Toward the Marine Copepod Gladioferens pectinatus

Cited by 10 publications

References 60 publications

Surface Water under Growing Anthropogenic Loads: From Global Perspectives to Regional Implications

Surface Water under Growing Anthropogenic Loads: From Global Perspectives to Regional Implications

Surface Water under Growing Anthropogenic Loads: from Global Loads to Regional Consequences: A Review

Sensitivity of Alabama Freshwater Gastropod Species to Nickel Exposure

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