Changes to hepatic nutrient dynamics and energetics in rainbow trout (Oncorhynchus mykiss) following exposure to and recovery from hydraulic fracturing flowback and produced water

Weinrauch, Alyssa M.; Folkerts, Erik J.; Alessi, Daniel S.; Goss, Greg G.; Blewett, Tamzin A.

doi:10.1016/j.scitotenv.2020.142893

Cited by 12 publications

(12 citation statements)

References 52 publications

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“…Overall, stock concentration of FPW was dominated by Na (7130 ± 30 mg/L), Mg (324 ± 11 mg/L), Cl (12,600 ± 1070 mg/L), Ca (1380 ± 30 mg/L), and K (374 ± 71 mg/L) with bromine (Br) being the dominant element present at 26.3 ± 0.6 mg/L (Table ). This sample had a lower concentration of salts and metals than other Canadian FPW samples with 2 h ,, and 12 days shut-in times; however, 2 h shut-in time samples from the same well pad as the well O sample in the present study were highly similar . Additional discussion of the inorganic analysis of well O samples as well as additional samples from well pad 6 on the Montney formation can be found in Boyd et al .…”

Section: Resultssupporting

confidence: 44%

“…These include developmental deformities in zebrafish (Danio rerio) embryos, , impacts on fish cardiac and respiratory function, ,, an increase in oxidative stress and altered gill morphology in rainbow trout [Oncorhynchus mykiss (O. mykiss)], depletion of energy stores in trout, and alterations of microbial community structures. , Daphnia magna (D. magna) are a common model of FPW toxicity in freshwater environments, with previous studies reporting 48 h LC50s of 0.19–7.4% FPW as well as developmental delays and severe reproductive impairment after 21 day exposure to 0.75–2% FPW. ,− …”

Section: Introductionmentioning

confidence: 99%

“…One study reported a metabolic recovery of rainbow trout (O. mykiss) 3 weeks after a 48 h exposure to 2.5–7.5% FPW, indicating that the effects of FPW toxicity may be reversible, allowing for recovery to occur. The aim of the current study was to investigate physiological organismal recovery and potential molecular impacts in D.…”

Section: Introductionmentioning

confidence: 99%

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Persisting Effects in Daphnia magna Following an Acute Exposure to Flowback and Produced Waters from the Montney Formation

Boyd

Luu

Mehta

et al. 2023

Environ. Sci. Technol.

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Hydraulic fracturing extracts oil and gas through the injection of water and proppants into subterranean formations. These injected fluids mix with the host rock formation and return to the surface as a complex wastewater containing salts, metals, and organic compounds, termed flowback and produced water (FPW). Previous research indicates that FPW is toxic to Daphnia magna (D. magna), impairing reproduction, molting, and maturation time; however, recovery from FPW has not been extensively studied. Species unable to recover have drastic impacts on populations on the ecological scale; thus, this study sought to understand if recovery from an acute 48 h FPW exposure was possible in the freshwater invertebrate, D. magna by using a combination of physiological and molecular analyses. FPW (0.75%) reduced reproduction by 30% and survivorship to 32% compared to controls. System-level quantitative proteomic analyses demonstrate extensive perturbation of metabolism and protein transport in both 0.25 and 0.75% FPW treatments after a 48 h FPW exposure. Collectively, our data indicate that D. magna are unable to recover from acute 48 h exposures to ≥0.25% FPW, as evidence of toxicity persists for at least 19 days post-exposure. This study highlights the importance of considering persisting effects following FPW remediation when modeling potential spill scenarios.

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Section: Resultssupporting

confidence: 44%

Section: Introductionmentioning

confidence: 99%

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Persisting Effects in Daphnia magna Following an Acute Exposure to Flowback and Produced Waters from the Montney Formation

Boyd

Luu

Mehta

et al. 2023

Environ. Sci. Technol.

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“…In addition, fluctuations in the food supply related to season, spawning, and migration affect food abundance or deprivation, and the feeding rates of native fish. Therefore, native fish with insufficient energy stores could have adverse reactions to acute or chronic effluent exposures (Weinrauch et al 2021 ). Another problem of the field surveys is extrapolating from observations on a few individuals in a limited number of species to groupings of many individuals and species and the need to consider how the relative sensitivity of their individual responses reflect the response of populations, communities, and ecosystems (Galloway et al 2004 ).…”

Section: Caged or Native Fishmentioning

confidence: 99%

Fish liver damage related to the wastewater treatment plant effluents

Popović

Čižmek

Babić

et al. 2023

Environ Sci Pollut Res

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Wastewater treatment plants (WWTPs) continuously release a complex mixture of municipal, hospital, industrial, and runoff chemicals into the aquatic environment. These contaminants are both legacy contaminants and emerging-concern contaminants, affecting all tissues in a fish body, particularly the liver. The fish liver is the principal detoxifying organ and effects of consistent pollutant exposure can be evident on its cellular and tissue level. The objective of this paper is thus to provide an in-depth analysis of the WWTP contaminants’ impact on the fish liver structure, physiology, and metabolism. The paper also gives an overview of the fish liver biotransformation enzymes, antioxidant enzymes, and non-enzymatic antioxidants, their role in metabolizing xenobiotic compounds and coping with oxidative damage. Emphasis has been placed on highlighting the vulnerability of fish to xenobiotic compounds, and on biomonitoring of exposed fish, generally involving observation of biomarkers in caged or native fish. Furthermore, the paper systematically assesses the most common contaminants with the potential to affect fish liver tissue. Graphical Abstract

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“…This work has been performed on various model invertebrate and vertebrate systems and has been carried out almost exclusively with raw produced water. End points that have been studied include mortality (LC50), developmental effects in early life stages, endocrine disruption, , estrogenicity, physical and behavioral impairment, ,, cardiovascular effects, − oxidative stress, , ionoregulatory stress, metabolic stress, and genotoxicity . While these studies have contributed to our general knowledge of the toxicity associated with raw produced water, none have outlined approaches that could be followed to assess the toxicity of treated produced water.…”

Section: Chemical Characterization and Toxicological Challengesmentioning

confidence: 99%

Oil and Gas Produced Water Reuse: Opportunities, Treatment Needs, and Challenges

et al. 2021

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Advances in water treatment technologies paired with potential restrictions on oil and gas (O&G) produced water disposal could incentivize the beneficial reuse of treated produced water in the O&G industry. However, the remote nature of O&G operations limits the applicability of many of these solutions, which may be spatially inefficient, require operator supervision, or are ill-suited for the complex nature of produced water. Furthermore, the responsible, sustainable reuse of produced water as an alternative water source requires standardized analytical techniques for characterizing and determining the toxicity of treated produced water and improving our understanding of the fate and transport of various constituents. In the past decade, we made little progress in economically treating produced water for beneficial reuse outside of oilfield operations; the sole major breakthrough has been in the development of salt-tolerant fracturing chemicals that allow for reuse of produced water for fracking operations. Guided research should assist in the development of fit-for-purpose solutions to maximize the reuse of treated produced water. This is exemplified by the case studies presented here that detail currently operating treatment facilities for reclamation and reuse of produced water.

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Changes to hepatic nutrient dynamics and energetics in rainbow trout (Oncorhynchus mykiss) following exposure to and recovery from hydraulic fracturing flowback and produced water

Cited by 12 publications

References 52 publications

Persisting Effects in Daphnia magna Following an Acute Exposure to Flowback and Produced Waters from the Montney Formation

Persisting Effects in Daphnia magna Following an Acute Exposure to Flowback and Produced Waters from the Montney Formation

Fish liver damage related to the wastewater treatment plant effluents

Oil and Gas Produced Water Reuse: Opportunities, Treatment Needs, and Challenges

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