Bioaccumulation and effects of selenium from surface coal mining in an aquatic songbird

English, Simon G.; Hess, Helmi; Bishop, Christine A.; Porter, Emily; Cheng, Kimberly M.; Elliott, John E.

doi:10.1016/j.envres.2022.112702

Cited by 9 publications

(5 citation statements)

References 43 publications

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“…Assessments of effects on reproduction might involve evaluation of parameters such as clutch size, hatching or fledging success, brood or litter size, or evaluating the age structure of the population. These might be evaluated by physically visiting and monitoring nest sites (e.g., Custer, 2021; English et al, 2022; Grove et al, 2009; Morrissey et al, 2014; Rattner et al, 2018), using game cameras, GPS, or other tracking technologies to monitor individuals and groups of animals, their activity and even health, or trapping to capture, mark, and release so that survival and population age structure can be evaluated. For longer‐lived species, this requires long‐term commitment and techniques, such as banding, to develop a marked population (e.g., Newton & Wyllie, 1992).…”

Section: Field Effect Studiesmentioning

confidence: 99%

Toxicological effects assessment for wildlife in the 21st century: Review of current methods and recommendations for a path forward

Bean

Beasley

Berny

et al. 2023

Integr Envir Assess & Manag

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Model species (e.g., granivorous gamebirds, waterfowl, passerines, domesticated rodents) have been used for decades in guideline laboratory tests to generate survival, growth, and reproductive data for prospective ecological risk assessments (ERAs) for birds and mammals, while officially adopted risk assessment schemes for amphibians and reptiles do not exist. There are recognized shortcomings of current in vivo methods as well as uncertainty around the extent to which species with different life histories (e.g., terrestrial amphibians, reptiles, bats) than these commonly used models are protected by existing ERA frameworks. Approaches other than validating additional animal models for testing are being developed, but the incorporation of such new approach methodologies (NAMs) into risk assessment frameworks will require robust validations against in vivo responses. This takes time, and the ability to extrapolate findings from nonanimal studies to organism‐ and population‐level effects in terrestrial wildlife remains weak. Failure to adequately anticipate and predict hazards could have economic and potentially even legal consequences for regulators and product registrants. In order to be able to use fewer animals or replace them altogether in the long term, vertebrate use and whole organism data will be needed to provide data for NAM validation in the short term. Therefore, it is worth investing resources for potential updates to existing standard test guidelines used in the laboratory as well as addressing the need for clear guidance on the conduct of field studies. Herein, we review the potential for improving standard in vivo test methods and for advancing the use of field studies in wildlife risk assessment, as these tools will be needed in the foreseeable future. Integr Environ Assess Manag 2023;00:1–26. © 2023 His Majesty the King in Right of Canada and The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC). Reproduced with the permission of the Minister of Environment and Climate Change Canada. 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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Section: Field Effect Studiesmentioning

confidence: 99%

Toxicological effects assessment for wildlife in the 21st century: Review of current methods and recommendations for a path forward

Bean

Beasley

Berny

et al. 2023

Integr Envir Assess & Manag

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“…Se deficiency was linked to mass extinctions in Phanerozoic oceans [21]. Selenium excess affects ecosystem functions, including animals from the top of food chains, due to bioaccumulation and biomagnification [22,23].…”

Section: Introductionmentioning

confidence: 99%

The Clothes Matter—Exploiting Agronomical Functions of Trichogenic Selenium Nanoparticles Sharing Activities with Biological Systems Wherein (Were) Formed

Ciobanu,

Bînzari,

Dima

et al. 2024

Agronomy

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The formation of biogenic selenium nanoparticles (SeNPs) through microbial activities is a promising technique that can contribute to the development of reliable, non-toxic and environmentally friendly synthesis methods. Among these, under optimal conditions, myconanotechnology confers particular characteristics due to the generation of bioactive fungal metabolites with various bioactivities. The formed SeNPs are known to be stabilized by the biomolecules of the microorganism, forming a so-called bio-corona or capping structure. The composition of this bio-corona greatly impacts the SeNPs activity, but investigations have been limited to date. The SeNPs produced by Trichoderma sp. have potential applications in crops and environmental management, as both selenium and Trichoderma are known to benefit cultivated plants and phytoremediation. This review summarizes the biosynthesis of SeNPs by Trichoderma sp. and contextualizes the possible correlations between SeNPs and biomolecules produced by Trichoderma; it also provides a missing analysis that could help understand and optimize this process. Biosynthesis methods and probable mechanisms are briefly discussed as well as the role and applications of trichogenic SeNPs as plant protectants, plant biostimulants, and safe biofortifying agents. The knowledge gaps related to mechanisms of trichogenic SeNPs biosynthesis, the control of the desired characteristics for a specific agricultural function, and technology scale-up are discussed in connection with the needed future research directions.

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“…Selenium (Se) is a trace element and an emerging global metalloid contaminant in terrestrial and aquatic ecosystems. , Mining operations accelerate the weathering of Se-bearing geologic formations and are among the main sources of Se in aquatic ecosystems . Recent studies suggest Se has a potential global ecological risk second only to mercury, which is attributable to the narrow range between Se limitation as an essential micronutrient and toxicity. , The propensity of Se to bioaccumulate to higher trophic levels can result in deformities and reproductive failure in fish and birds. − Despite substantial documentation of the ecological effects of Se, less is known about how far downstream Se can be transported from anthropogenic sources.…”

Section: Introductionmentioning

confidence: 99%

Evidence of Long-Range Transport of Selenium Downstream of Coal Mining Operations in the Elk River Valley, Canada

Foster,

Storb,

Blake

et al. 2024

Environ. Sci. Technol. Lett.

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Expanding coal-mining operations in the Elk River Valley (British Columbia, Canada) have increased total selenium (Se) concentrations in the transboundary Lake Koocanusa (Canada and United States), but the spatial extent of Se transport from the Elk River Mines is unknown. We evaluated multiple lines of evidence of long-range transport of Se at five sites downstream of the mines relative to a site unaffected by the mines. First, all mine-affected sites had increasing trends in flow-normalized Se concentrations between 2005 and 2021 (35−89%), while no trend was observed at the unaffected site between 2005 and 2017. Second, all mine-affected sites had elevated annual mean Se concentrations and 5-year mean annual loads (2013−2017) by up to an order of magnitude relative to the unaffected site. Third, Se concentrations and the magnitude of the concentration trend generally decreased with distance downstream from the mines while loads increased, which is consistent with the downstream transport of the bulk of the Se load from the mines with smaller contributions from other sources. These results provide multiple lines of evidence that Se from the Elk River Mines is transported over 575 river kilometers and may pose risks to aquatic life in the transboundary Columbia River.

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Bioaccumulation and effects of selenium from surface coal mining in an aquatic songbird

Cited by 9 publications

References 43 publications

Toxicological effects assessment for wildlife in the 21st century: Review of current methods and recommendations for a path forward

Toxicological effects assessment for wildlife in the 21st century: Review of current methods and recommendations for a path forward

The Clothes Matter—Exploiting Agronomical Functions of Trichogenic Selenium Nanoparticles Sharing Activities with Biological Systems Wherein (Were) Formed

Evidence of Long-Range Transport of Selenium Downstream of Coal Mining Operations in the Elk River Valley, Canada

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