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van den Heuvel-Greve MJ, Jonker MTO, Klaassen MA, Puts IC, Verbeeke G, Hoekema L, Foekema EM, Murk AJ. Temperate Versus Arctic: Unraveling the Effects of Temperature on Oil Toxicity in Gammarids. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:1627-1637. [PMID: 38837458 DOI: 10.1002/etc.5897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/05/2024] [Accepted: 04/20/2024] [Indexed: 06/07/2024]
Abstract
Shipping activities are increasing with sea ice receding in the Arctic, leading to higher risks of accidents and oil spills. Because Arctic toxicity data are limited, oil spill risk assessments for the Arctic are challenging to conduct. In the present study, we tested if acute oil toxicity metrics obtained at temperate conditions reflect those at Arctic conditions. The effects of temperature (4 °C, 12 °C, and 20 °C) on the median lethal concentration (LC50) and the critical body residue (CBR) of the temperate invertebrate Gammarus locusta exposed to water accommodated fractions of a fuel oil were determined. Both toxicity metrics decreased with increasing temperature. In addition, data for the temperate G. locusta were compared to data obtained for Arctic Gammarus species at 4 °C. The LC50 for the Arctic Gammarus sp. was a factor of 3 higher than that for the temperate G. locusta at 4 °C, but its CBR was similar, although both the exposure time and concentration were extended to reach lethality. Probably, this was a result of the larger size and higher weight and total lipid content of Arctic gammarids compared to the temperate gammarids. Taken together, the present data support the use of temperate acute oil toxicity data as a basis for assessing risks in the Arctic region, provided that the effects of temperature on oil fate and functional traits (e.g., body size and lipid content) of test species are considered. As such, using the CBR as a toxicity metric is beneficial because it is independent of functional traits, despite its temperature dependency. To the best of our knowledge, the present study is the first to report CBRs for oil. Environ Toxicol Chem 2024;43:1627-1637. © 2024 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Martine J van den Heuvel-Greve
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
- Marine Animal Ecology, Wageningen University, Wageningen, The Netherlands
| | - Michiel T O Jonker
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Michiel A Klaassen
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
| | - Isolde C Puts
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
- Arctic Research Center and Department of Ecoscience, Aarhus University, Aarhus, Denmark
| | - Gabrielle Verbeeke
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
| | - Lisa Hoekema
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
- Marine Animal Ecology, Wageningen University, Wageningen, The Netherlands
| | - Edwin M Foekema
- Wageningen Marine Research, Wageningen University & Research, Yerseke, The Netherlands
- Marine Animal Ecology, Wageningen University, Wageningen, The Netherlands
| | - Albertinka J Murk
- Marine Animal Ecology, Wageningen University, Wageningen, The Netherlands
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Chung KW, Key PB, Tanabe P, DeLorenzo ME. Effects of Temperature and Salinity on Perfluorooctane Sulfonate (PFOS) Toxicity in Larval Estuarine Organisms. TOXICS 2024; 12:267. [PMID: 38668490 PMCID: PMC11053673 DOI: 10.3390/toxics12040267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/21/2024] [Accepted: 03/31/2024] [Indexed: 04/29/2024]
Abstract
Perfluorooctane sulfonate (PFOS) is a persistent contaminant that has been found globally within the environment. Key data gaps exist in the toxicity of PFOS to marine organisms, especially estuarine species that are crucial to the food web: fish, shrimp, and mollusks. This study developed toxicity thresholds for larval estuarine species, including grass shrimp (Palaemon pugio), sheepshead minnows (Cyprinodon variegatus), mysids (Americamysis bahia), and Eastern mud snails (Tritia obsoleta). Multiple abiotic stressors (salinity and temperature) were included as variables in testing the toxicity of PFOS. Acute 96 h toxicity testing under standard test conditions of 25 °C and 20 ppt seawater yielded LC50 values of 0.919 mg/L for C. variegatus, 1.375 mg/L for A. bahia, 1.559 mg/L for T. obsoleta, and 2.011 mg/L for P. pugio. The effects of increased temperature (32 °C) and decreased salinity (10 ppt) varied with test species. PFOS toxicity for the sheepshead minnows increased with temperature but was not altered by decreased salinity. For grass shrimp and mud snails, PFOS toxicity was greater under lower salinity. The combination of higher temperature and lower salinity was observed to lower the toxicity thresholds for all species. These data demonstrate that expanding toxicity testing to include a wider range of parameters will improve the environmental risk assessment of chemical contaminants, especially for species inhabiting dynamic estuarine ecosystems.
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Affiliation(s)
- Katy W. Chung
- National Oceanic and Atmospheric Administration (NOAA), National Ocean Service, National Centers for Coastal Ocean Science, Charleston, SC 29412, USA; (P.B.K.); (P.T.); (M.E.D.)
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Zavell M, Chung K, Key P, Pennington P, DeLorenzo M. Interactive effects of Louisiana Sweet Crude (LSC) thin oil sheens and ultraviolet light on mortality and swimming behavior of the larval Eastern oyster, Crassostrea virginica. Curr Res Toxicol 2023; 5:100117. [PMID: 37637491 PMCID: PMC10458706 DOI: 10.1016/j.crtox.2023.100117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/24/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023] Open
Abstract
The Eastern oyster (Crassostrea virginica) is an important commercial bivalve species which also has numerous ecological roles including biogeochemical cycling, providing habitat for larval fish and crustaceans, and reducing the impacts of coastal storms. Oil may pose a threat to oyster larvae swimming in the water column, leading to potential negative effects on survival, growth, and development. Oil toxicity may be further enhanced by chemical changes in the presence of sunlight. This study determined the toxicity of thin oil sheens with and without ultraviolet (UV) light, then examined the latent effects of the short term exposure on longer term survival and swimming ability. Larval C. virginica were exposed to four different oil sheen thicknesses for 24 h with either no UV light or 2-h UV light. Following the exposure, larvae were transferred to clean seawater and no UV light for 96 h. The presence of a 2-h UV light exposure significantly increased oyster mortality, indicating photo-enhanced toxicity. The LC50 for a 24-h oil sheen exposure without UV was 7.26 µm (23 µg/L PAH50) while a 2 h-UV exposure lowered the sheen toxicity threshold to 2.67 µm (10 µg/L PAH50). A previous 24-h oil sheen exposure (≥0.5 µm) led to latent effects on larval oyster survival, regardless of previous UV exposure. Sublethal impacts to larval oyster swimming behavior were also observed from the previous oil sheen exposure combined with UV exposure. This study provides new data for the toxicity of thin oil sheens to a sensitive early life stage of estuarine bivalve.
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Affiliation(s)
- M.D. Zavell
- Department of Marine Sciences, University of Connecticut, 1080 Shennecossett Rd, Groton, CT 06340, USA
| | - K.W. Chung
- National Oceanic and Atmospheric Administration/National Ocean Service/National Centers for Coastal Ocean Sciences, 331 Fort Johnson Rd, Charleston, SC 29412, USA
| | - P.B. Key
- National Oceanic and Atmospheric Administration/National Ocean Service/National Centers for Coastal Ocean Sciences, 331 Fort Johnson Rd, Charleston, SC 29412, USA
| | - P.L. Pennington
- National Oceanic and Atmospheric Administration/National Ocean Service/National Centers for Coastal Ocean Sciences, 331 Fort Johnson Rd, Charleston, SC 29412, USA
| | - M.E. DeLorenzo
- National Oceanic and Atmospheric Administration/National Ocean Service/National Centers for Coastal Ocean Sciences, 331 Fort Johnson Rd, Charleston, SC 29412, USA
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Parkerton T, Boufadel M, Nordtug T, Mitchelmore C, Colvin K, Wetzel D, Barron MG, Bragin GE, de Jourdan B, Loughery J. Recommendations for advancing media preparation methods used to assess aquatic hazards of oils and spill response agents. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 259:106518. [PMID: 37030101 PMCID: PMC10519191 DOI: 10.1016/j.aquatox.2023.106518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/15/2023] [Accepted: 04/02/2023] [Indexed: 05/15/2023]
Abstract
Laboratory preparation of aqueous test media is a critical step in developing toxicity information needed for oil spill response decision-making. Multiple methods have been used to prepare physically and chemically dispersed oils which influence test outcome, interpretation, and utility for hazard assessment and modeling. This paper aims to review media preparation strategies, highlight advantages and limitations, provide recommendations for improvement, and promote the standardization of methods to better inform assessment and modeling. A benefit of media preparation methods for oil that rely on low to moderate mixing energy coupled with a variable dilution design is that the dissolved oil composition of the water accommodation fraction (WAF) stock is consistent across diluted treatments. Further, analyses that support exposure confirmation maybe reduced and reflect dissolved oil exposures that are bioavailable and amenable to toxicity modeling. Variable loading tests provide a range of dissolved oil compositions that require analytical verification at each oil loading. Regardless of test design, a preliminary study is recommended to optimize WAF mixing and settling times to achieve equilibrium between oil and test media. Variable dilution tests involving chemical dispersants (CEWAF) or high energy mixing (HEWAF) can increase dissolved oil exposures in treatment dilutions due to droplet dissolution when compared to WAFs. In contrast, HEWAF/CEWAFs generated using variable oil loadings are expected to provide dissolved oil exposures more comparable to WAFs. Preparation methods that provide droplet oil exposures should be environmentally relevant and informed by oil droplet concentrations, compositions, sizes, and exposure durations characteristic of field spill scenarios. Oil droplet generators and passive dosing techniques offer advantages for delivering controlled constant or dynamic dissolved exposures and larger volumes of test media for toxicity testing. Adoption of proposed guidance for improving media preparation methods will provide greater comparability and utility of toxicity testing in oil spill response and assessment.
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Affiliation(s)
- Thomas Parkerton
- EnviSci Consulting, LLC, 5900 Balcones Dr, Suite 100, Austin, TX 78731, United States.
| | - Michel Boufadel
- Center for Natural Resources, Dept. of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 MLK Blvd., Newark, NJ, United States.
| | - Trond Nordtug
- SINTEF Ocean AS, P.O. box 4762, Torgarden, Trondheim NO-7465, Norway.
| | - Carys Mitchelmore
- University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory, 146 Williams Street, Solomons, MD, United States.
| | - Kat Colvin
- College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom.
| | - Dana Wetzel
- Environmental Laboratory of Forensics, Mote Marine Laboratory, 1600 Ken Thompson Parkway, Sarasota, FL, United States.
| | - Mace G Barron
- Office of Research and Development, U.S. Environmental Protection Agency, Gulf Breeze, FL 32561, United States.
| | - Gail E Bragin
- ExxonMobil Biomedical Sciences, Inc., 1545 US Highway 22 East, Annandale, NJ 08801, United States.
| | - Benjamin de Jourdan
- Huntsman Marine Science Centre, 1 Lower Campus Rd, St. Andrews, St. Andrews, New Brunswick E5B 2L7, Canada.
| | - Jennifer Loughery
- Huntsman Marine Science Centre, 1 Lower Campus Rd, St. Andrews, St. Andrews, New Brunswick E5B 2L7, Canada.
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Jones DK, Quinlin KA, Wigren MA, Choi YJ, Sepúlveda MS, Lee LS, Haskins DL, Lotufo GR, Kennedy A, May L, Harmon A, Biber T, Melby N, Chanov MK, Hudson ML, Key PB, Chung KW, Moore DW, Suski JG, Wirth EF, Hoverman JT. Acute Toxicity of Eight Aqueous Film-Forming Foams to 14 Aquatic Species. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:6078-6090. [PMID: 35486899 DOI: 10.1021/acs.est.1c03776] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Researchers have developed numerous per- and polyfluoroalkyl substances (PFAS)-free aqueous film-forming foam (AFFF) formulations to replace PFAS-containing AFFF used for fire suppression. As part of the Department of Defense's Strategic Environmental Research and Development Program (SERDP), we examined the direct lethal effects of seven PFAS-free AFFF and a PFAS-containing AFFF on 14 aquatic species using a series of lethal concentration (LC50) tests. We assessed the LC10, LC50, and LC90 values using log-logistic and logit analyses. Across all aquatic species tested, we discovered that exposure to at least one PFAS-free AFFF was more or as toxic as exposure to the PFAS-containing AFFF. For most cases, National Foam Avio F3 Green KHC 3% and Buckeye Platinum Plus C6MILSPEC 3% were the most and least toxic formulations, respectively. Moreover, we found consistency among results from multiple experiments using the same minnow species (Pimephales promelas) and among closely related taxa (e.g., daphnids, amphibians). Lastly, the LC50 values for AFFF formulations trended lower for tested marine species as compared to those of freshwater species. These results dramatically increase the current knowledge on the potentially toxic effects of AFFF but also highlight the need for additional research and the development of new PFAS-free AFFF that are more "ecologically friendly" than those containing persistent PFAS.
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Affiliation(s)
- Devin K Jones
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
| | - Kathryn A Quinlin
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
| | - Maggie A Wigren
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
| | - Youn J Choi
- Department of Agronomy, Purdue University, West Lafayette, Indiana 47907, United States
| | - Maria S Sepúlveda
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
| | - Linda S Lee
- Department of Agronomy, Purdue University, West Lafayette, Indiana 47907, United States
| | - David L Haskins
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
| | - Guilherme R Lotufo
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Alan Kennedy
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Lauren May
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Ashley Harmon
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Thomas Biber
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Nicolas Melby
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Michael K Chanov
- EA Engineering, Science and Technology, Inc. PBC, Hunt Valley, Maryland 21031, United States
| | - Michelle L Hudson
- EA Engineering, Science and Technology, Inc. PBC, Hunt Valley, Maryland 21031, United States
| | - Peter B Key
- National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Charleston, South Carolina 29412, United States
| | - Katy W Chung
- CSS, Inc. Under Contract to NOAA, National Centers for Coastal Ocean Science, Charleston, South Carolina 29412, United States
| | - David W Moore
- US Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, Mississippi 39180, United States
| | - Jamie G Suski
- EA Engineering, Science and Technology, Inc. PBC, Hunt Valley, Maryland 21031, United States
| | - Edward F Wirth
- National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Charleston, South Carolina 29412, United States
| | - Jason T Hoverman
- Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47907, United States
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Gan N, Martin L, Xu W. Impact of Polycyclic Aromatic Hydrocarbon Accumulation on Oyster Health. Front Physiol 2021; 12:734463. [PMID: 34566698 PMCID: PMC8461069 DOI: 10.3389/fphys.2021.734463] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/03/2021] [Indexed: 01/17/2023] Open
Abstract
In the past decade, the Deepwater Horizon oil spill triggered a spike in investigatory effort on the effects of crude oil chemicals, most notably polycyclic aromatic hydrocarbons (PAHs), on marine organisms and ecosystems. Oysters, susceptible to both waterborne and sediment-bound contaminants due to their filter-feeding and sessile nature, have become of great interest among scientists as both a bioindicator and model organism for research on environmental stressors. It has been shown in many parts of the world that PAHs readily bioaccumulate in the soft tissues of oysters. Subsequent experiments have highlighted the negative effects associated with exposure to PAHs including the upregulation of antioxidant and detoxifying gene transcripts and enzyme activities such as Superoxide dismutase, Cytochrome P450 enzymes, and Glutathione S-transferase, reduction in DNA integrity, increased infection prevalence, and reduced and abnormal larval growth. Much of these effects could be attributed to either oxidative damage, or a reallocation of energy away from critical biological processes such as reproduction and calcification toward health maintenance. Additional abiotic stressors including increased temperature, reduced salinity, and reduced pH may change how the oyster responds to environmental contaminants and may compound the negative effects of PAH exposure. The negative effects of acidification and longer-term salinity changes appear to add onto that of PAH toxicity, while shorter-term salinity changes may induce mechanisms that reduce PAH exposure. Elevated temperatures, on the other hand, cause such large physiological effects on their own that additional PAH exposure either fails to cause any significant effects or that the effects have little discernable pattern. In this review, the oyster is recognized as a model organism for the study of negative anthropogenic impacts on the environment, and the effects of various environmental stressors on the oyster model are compared, while synergistic effects of these stressors to PAH exposure are considered. Lastly, the understudied effects of PAH photo-toxicity on oysters reveals drastic increases to the toxicity of PAHs via photooxidation and the formation of quinones. The consequences of the interaction between local and global environmental stressors thus provide a glimpse into the differential response to anthropogenic impacts across regions of the world.
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Affiliation(s)
- Nin Gan
- Department of Life Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States
| | - Leisha Martin
- Department of Life Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States
| | - Wei Xu
- Department of Life Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States
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