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Adams WJ, Garman ER. Recommended updates to the USEPA Framework for Metals Risk Assessment: Aquatic ecosystems. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2024; 20:924-951. [PMID: 37578034 DOI: 10.1002/ieam.4827] [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: 04/13/2023] [Revised: 08/04/2023] [Accepted: 08/08/2023] [Indexed: 08/15/2023]
Abstract
In 2007, the USEPA issued its "Framework for Metals Risk Assessment." The framework provides technical guidance to risk assessors and regulators when performing human health and environmental risk assessments of metals. This article focuses on advances in the science including assessing bioavailability in aquatic ecosystems, short- and long-term fate of metals in aquatic ecosystems, and advances in risk assessment of metals in sediments. Notable advances have occurred in the development of bioavailability models for assessing toxicity as a function of water chemistry in freshwater ecosystems. The biotic ligand model (BLM), the multiple linear regression model, and multimetal BLM now exist for most of the common mono- and divalent metals. Species sensitivity distributions for many metals exist, making it possible for many jurisdictions to develop or update their water quality criteria or guidelines. The understanding of the fate of metals in the environment has undergone significant scrutiny over the past 20 years. Transport and toxicity models have evolved including the Unit World Model allowing for estimation of concentrations of metals in various compartments as a function of loading and time. There has been significant focus on the transformation of metals in sediments into forms that are less bioavailable and on understanding conditions that result in resolubilization or redistribution of metals in and from sediments. Methods for spiking sediments have advanced such that the resulting chemistry in the laboratory mimics that in natural systems. Sediment bioavailability models are emerging including models that allow for prediction of toxicity in sediments for copper and nickel. Biodynamic models have been developed for several organisms and many metals. The models allow for estimates of transport of metals from sediments to organisms via their diet as well as their water exposure. All these advances expand the tool set available to risk assessors. Integr Environ Assess Manag 2024;20:924-951. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Reboa A, Besio G, Cutroneo L, Geneselli I, Gorbi S, Nardi A, Piccione ME, Regoli F, Capello M. The EU Interreg Project "GEREMIA" on waste management for the improvement of port waters: results on monitoring the health status of fish as bioindicator. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:17617-17633. [PMID: 36719589 PMCID: PMC10923995 DOI: 10.1007/s11356-023-25587-4] [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: 10/12/2022] [Accepted: 01/23/2023] [Indexed: 02/01/2023]
Abstract
Highly anthropized areas as ports represent complex scenarios that require accurate monitoring plans aimed to address the environmental status. In this context, the activities of the EU Interreg Project "GEstione dei REflui per il MIglioramento delle Acque portuali (GEREMIA)" were focused on comparing sites differently affected by human presence, as the Port of Genoa and the natural area of the S'Ena Arrubia fishpond: a panel of analyses was carried out on Mugilidae fish sampled in these two areas, aimed to address trace metal accumulation in the liver, gills, and muscle, as well as cytochrome P450 (CYP450) induction in liver and biliary polycyclic aromatic hydrocarbon (PAH) metabolites, and histopathological alterations in the liver and gills. Chemical analyses in the liver, gills, and muscle of specimens collected in the port area showed an overall higher degree of trace metal contamination compared to the natural fishpond, and similar results were obtained in terms of CYP450 induction and biliary PAH metabolites, suggesting a higher exposure to organic compounds. In addition, histopathological analyses revealed a significant alteration and then a loss of functionality of liver and gill tissue in individuals from the port. Overall, this study describes the complex environmental pollution scenario in the Port of Genoa, confirming the importance of using multidisciplinary approaches and different types of analyses to address both the presence and the effects of contaminants in marine environments.
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Affiliation(s)
- Anna Reboa
- DISTAV, University of Genoa, 16132, Genoa, Italy.
| | | | | | | | - Stefania Gorbi
- DISVA, Polytechnic University of Marche, 60131, Ancona, Italy
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Adams B, Bowley J, Rohwer M, Oberg E, Willemssens K, Wintersteen W, Peterson RK, Higley LG. Heavy metal movement through insect food chains in pristine thermal springs of Yellowstone National Park. PeerJ 2024; 12:e16827. [PMID: 38406272 PMCID: PMC10893860 DOI: 10.7717/peerj.16827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 01/03/2024] [Indexed: 02/27/2024] Open
Abstract
Yellowstone National Park thermal features regularly discharge various heavy metals and metalloids. These metals are taken up by microorganisms that often form mats in thermal springs. These microbial mats also serve as food sources for invertebrate assemblages. To examine how heavy metals move through insect food webs associated with hot springs, two sites were selected for this study. Dragon-Beowulf Hot Springs, acid-sulfate chloride springs, have a pH of 2.9, water temperatures above 70 °C, and populations of thermophilic bacterial, archaeal, and algal mats. Rabbit Creek Hot Springs, alkaline springs, have a pH of up to 9, some water temperatures in excess of 60 °C, and are populated with thermophilic and phototrophic bacterial mats. Mats in both hydrothermal systems form the trophic base and support active metal transfer to terrestrial food chains. In both types of springs, invertebrates bioaccumulated heavy metals including chromium, manganese, cobalt, nickel, copper, cadmium, mercury, tin and lead, and the metalloids arsenic, selenium, and antimony resulting from consuming the algal and bacterial mat biomass. At least two orders of magnitude increase in concentrations were observed in the ephydrid shore fly Paracoenia turbida, as compared to the mats for all metals except antimony, mercury, and lead. The highest bioaccumulation factor (BAF) of 729 was observed for chromium. At the other end of the food web, the invertebrate apex predator, Cicindelidia haemorrhagica, had at least a 10-fold BAF for all metals at some location-year combinations, except with antimony. Of other taxa, high BAFs were observed with zinc for Nebria sp. (2180) and for Salda littoralis (1080). This accumulation, occurring between primary producer and primary consumer trophic levels at both springs, is biomagnified through the trophic web. These observations suggest trace metals enter the geothermal food web through the microbial mat community and are then transferred through the food chain. Also, while bioaccumulation of arsenic is uncommon, we observed five instances of increases near or exceeding 10-fold: Odontomyia sp. larvae (13.6), P. turbida (34.8), C. haemorrhagica (9.7), Rhagovelia distincta (16.3), and Ambrysus mormon (42.8).
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Affiliation(s)
- Braymond Adams
- Department of Plant Pathology, Entomology, and Microbiology, Iowa State University, Ames, IA, United States of America
| | - John Bowley
- Department of Land Resources & Environmental Sciences, Montana State University, Bozeman, MT, United States of America
| | - Monica Rohwer
- School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, United States of America
| | - Erik Oberg
- Yellowstone National Park, Gardner, MT, United States of America
| | - Kelly Willemssens
- School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, United States of America
| | - Wendy Wintersteen
- Department of Plant Pathology, Entomology, and Microbiology, Iowa State University, Ames, IA, United States of America
| | - Robert K.D. Peterson
- Department of Land Resources & Environmental Sciences, Montana State University, Bozeman, MT, United States of America
| | - Leon G. Higley
- School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE, United States of America
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Antia M, Ezejiofor AN, Orish CN, Cirovic A, Cirovic A, Orisakwe OE. Selenium and zinc supplementation mitigates metals-(loids) mixture- mediated cardiopulmonary toxicity via attenuation of antioxidant, anti-inflammatory and antiapoptotic mechanisms in female Sprague Dawley rats. Toxicol Res (Camb) 2024; 13:tfad119. [PMID: 38179003 PMCID: PMC10762678 DOI: 10.1093/toxres/tfad119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/01/2023] [Accepted: 11/30/2023] [Indexed: 01/06/2024] Open
Abstract
This study evaluated the cardiopulmonary protective effects of essential elements (Zn and Se) against heavy metals mixture (HMM) exposure. Twenty five female Sprague Dawley albino rats, divided in to five groups: controls were orally treated only with distilled water; next, group 2 was exposed to HMM with the following concentrations: 20 mg/kg of Pb body weight, 0.40 mg/kg of Hg, 0.56 mg/kg of Mn, and 35 mg/kg of Al. Groups 3, 4 and 5 were exposed to HMM and co-treated with zinc chloride (ZnCl2; 0.80 mg/kg), sodium selenite (Na2SeO3;1.50 mg/kg) and both zinc chloride and sodium selenite, respectively. The experiment lasted for 60 days. Afterwards animals were sacrificed, and we conduced biochemical and histopathological examination of the heart and lungs. HMM only exposed animals had an increased levels of malondialdehyde (MDA) and nitric oxide (NO), increased IL-6 and TNF-α, attenuated SOD, GPx, CAT and GSH and caspase 3 in the heart and lungs. HMM affected NF-kB and Nrf2 in the heart muscle with histomorphological alterations. Zn and Se attenuated adverse effects of HMM exposure. Essential element supplementation ameliorated heavy metal cardiopulmonary intoxication in rats.
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Affiliation(s)
- Mfoniso Antia
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, East West Road, Choba, Port Harcourt, Rivers State, Choba 5323, Nigeria
| | - Anthonet N Ezejiofor
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, East West Road, Choba, Port Harcourt, Rivers State, Choba 5323, Nigeria
| | - Chinna N Orish
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Port Harcourt, PMB, East West Road, Choba, Port Harcourt, Rivers State, Choba 5323, Nigeria
| | - Ana Cirovic
- Faculty of Medicine, The Institute of Anatomy, University of Belgrade, East West Road, Choba, Port Harcourt, Rivers State Belgrade, Serbia
| | - Aleksandar Cirovic
- Faculty of Medicine, The Institute of Anatomy, University of Belgrade, East West Road, Choba, Port Harcourt, Rivers State Belgrade, Serbia
| | - Orish E Orisakwe
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, East West Road, Choba, Port Harcourt, Rivers State, Choba 5323, Nigeria
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Flipkens G, Dujardin V, Salden J, T'Jollyn K, Town RM, Blust R. Olivine avoidance behaviour by marine gastropods (Littorina littorea L.) and amphipods (Gammarus locusta L.) within the context of ocean alkalinity enhancement. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115840. [PMID: 38104435 DOI: 10.1016/j.ecoenv.2023.115840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/22/2023] [Accepted: 12/14/2023] [Indexed: 12/19/2023]
Abstract
Gigaton scale atmospheric carbon dioxide (CO2) removal (CDR) is needed to keep global warming below 1.5 °C. Coastal enhanced olivine weathering is a CDR technique that could be implemented in coastal management programmes, but its CO2 sequestration potential and environmental safety remain uncertain. Large scale olivine spreading would change the surficial sediment characteristics, which could potentially reduce habitat suitability and ultimately result in community composition changes. To test this hypothesis, we investigated the avoidance response of the marine gastropod Littorina littorea (Linnaeus, 1758) and marine amphipod Gammarus locusta (Linnaeus, 1758) to relatively coarse (83 - 332 µm) olivine and olivine-sediment mixtures during short-term choice experiments. Pure olivine was significantly avoided by both species, while no significant avoidance was observed for sediment with 3% or 30% w/w olivine. For L. littorea, aversion of the light green colour of pure olivine (i.e. positive scototaxis) was the main reason for avoidance. Moreover, olivine was not significantly avoided when it was 7.5 cm (45%) closer to a food source/darker microhabitat (Ulva sp.) compared to natural sediment. It is inferred that the amphipod G. locusta avoided pure olivine to reduce Ni and Cr exposure. Yet, a significant increase in whole body Ni concentrations was observed after 79 h of exposure in the 30% and 100% w/w olivine treatments compared to the sediment control, likely as a result of waterborne Ni uptake. Overall, our results are significant for ecological risk assessment of coastal enhanced olivine weathering as they show that L. littorea and G. locusta will not avoid sediments with up to 30% w/w relatively coarse olivine added and that the degree of olivine avoidance is dependent on local environmental factors (e.g. food or shelter availability).
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Affiliation(s)
- Gunter Flipkens
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
| | - Vincent Dujardin
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Jordy Salden
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Kyle T'Jollyn
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Raewyn M Town
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Ronny Blust
- ECOSPHERE, Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
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Su Q, Xiao W, Simpson SL, Tan QG, Chen R, Xie M. Enhancing Sediment Bioaccumulation Predictions: Isotopically Modified Bioassay and Biodynamic Modeling for Nickel Assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:19352-19362. [PMID: 37971896 DOI: 10.1021/acs.est.3c05914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Quantifying metal bioaccumulation in a sedimentary environment is a valuable line of evidence when evaluating the ecological risks associated with metal-contaminated sediments. However, the precision of bioaccumulation predictions has been hindered by the challenges in accurately modeling metal influx processes. This study focuses on nickel bioaccumulation from sediment and introduces an innovative approach using the isotopically modified bioassay to directly measure nickel assimilation rates in sediment. Tested in sediments spiked with two distinct nickel concentrations, the measured Ni assimilation rates ranged from 35 to 78 ng g-1 h-1 in the Low-Ni treatment and from 96 to 320 ng g-1 h-1 in the High-Ni treatment. Integrating these rates into a biodynamic model yielded predictions of nickel bioaccumulation closely matching the measured results, demonstrating high accuracy with predictions within a factor of 3 for the Low-Ni treatment and within a factor of 1 for the High-Ni treatment. By eliminating the need to model metal uptake from various sources, this streamlined approach provides a reliable method for predicting nickel bioaccumulation in contaminated sediments. This advancement holds promise for linking bioaccumulation with metal toxicity risks in sedimentary environments, enhancing our understanding of metal-contaminated sediment risks and providing valuable insights to support informed decision-making in ecological risk assessment and management.
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Affiliation(s)
- Qijing Su
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian, China
| | - Wenze Xiao
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian, China
| | - Stuart L Simpson
- Centre for Environmental Contaminants Research, CSIRO Environment, Sydney 2334, New South Wales, Australia
- Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou 511458, Guangdong, China
| | - Qiao-Guo Tan
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian, China
| | - Rong Chen
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian, China
| | - Minwei Xie
- State Key Laboratory of Marine Environmental Science, Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystem, College of the Environment and Ecology, Xiamen University, Xiamen 361102, Fujian, China
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Blanc JM, Subiabre R, Duemler J, Oyarzún LC, Díaz PA. Nocturnal seston: A key to explain the cadmium transfer from seawater to mussels (Mytilus chilensis). MARINE POLLUTION BULLETIN 2023; 195:115544. [PMID: 37717494 DOI: 10.1016/j.marpolbul.2023.115544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/22/2023] [Accepted: 09/11/2023] [Indexed: 09/19/2023]
Abstract
The objective of this work was to discover a biochemical pathway to explain the transfer of cadmium, a toxic element, from seawater to cultured mussels. Understanding the intricacies of this transfer is crucial for global mussel crops, as it has the potential to mitigate risks to human health and prevent economic losses in the industry. We focused our investigation on Yal Bay, a typical area with intense mussel aquaculture activity (16,000 t y-1) in the inland sea of southern Chile. Seasonal samples of blue mussels (Mytilus chilensis) were collected and analyzed from September 2014 to December 2015 at two integrated depths (0-5 m and 5-10 m). Diurnal and nocturnal seston, seawater, benthic sediments and decanted suspensions from the water column were recorded. Our findings indicate that nocturnal seston satisfactorily explains the presence of cadmium in Mytilus chilensis aquaculture throughout its annual temporal distribution (Spearman rs = 0.63, p = 0.002).
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Affiliation(s)
- J Max Blanc
- Programa de Doctorado en Ciencias de la Acuicultura, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile; Escuela de Ingeniería Civil Industrial, Instituto de Gestión e Industria, Universidad Austral de Chile, Puerto Montt, Chile.
| | - Ricardo Subiabre
- Centro de Docencia Superior en Ciencias Básicas, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile
| | - Jaclyn Duemler
- Centro de Docencia Superior en Ciencias Básicas, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile
| | | | - Patricio A Díaz
- Centro i~mar & CeBiB, Universidad de Los Lagos, Casilla 557, Puerto Montt, Chile
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Hano T, Ito K, Ito M, Takashima K, Takai Y, Oshima Y, Ohkubo N. Relationship closeness of tolerance to two neonicotinoids with their internal body burden in two estuarine resident marine crustaceans. Comp Biochem Physiol C Toxicol Pharmacol 2023; 268:109613. [PMID: 36933630 DOI: 10.1016/j.cbpc.2023.109613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 02/27/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023]
Abstract
The estuarine resident crustacean sand shrimp, Crangon uritai, has a higher tolerance to neonicotinoid insecticides than that of the kuruma prawns, Penaeus japonicus. However, the reason for the differential sensitivities between the two marine crustaceans remains to be understood. This study explored the mechanism underlying differential sensitivities based on insecticide body residues after exposing both said crustaceans to two insecticides (acetamiprid and clothianidin) with or without oxygenase inhibitor piperonyl butoxide (PBO) for 96 h. Two graded-concentration groups were formed; group H (1/15-1 times the 96-h LC50 values) and L (one-tenth the concentration of group H). Results showed that the internal concentration in survived specimens tended to be lower in sand shrimp than in kuruma prawns. Co-treatment of PBO with two neonicotinoids not only increased sand shrimp mortality in the H group, but also altered metabolism of acetamiprid into its metabolite, N-desmethyl acetamiprid. Furthermore, molting during the exposure period enhanced bioconcentration of insecticides, but not affects survival. Collectively, the higher tolerance of sand shrimp than that of kuruma prawns to the two neonicotinoids can be explained by lower bioconcentration potential and more involvement of oxygenase in their alleviating lethal toxicity.
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Affiliation(s)
- Takeshi Hano
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan.
| | - Katsutoshi Ito
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Mana Ito
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Kei Takashima
- Fisheries Research Center, Ehime Research Institute of Agriculture, Forestry and Fisheries, 1611 Tanbara-chou Ikeda, Saijyo, Ehime 791-0508, Japan
| | - Yuki Takai
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, Fukuoka 819-0395, Japan
| | - Yuji Oshima
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka, Fukuoka 819-0395, Japan
| | - Nobuyuki Ohkubo
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
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Nepstad R, Kotzakoulakis K, Hansen BH, Nordam T, Carroll J. An impact-based environmental risk assessment model toolbox for offshore produced water discharges. MARINE POLLUTION BULLETIN 2023; 191:114979. [PMID: 37126994 DOI: 10.1016/j.marpolbul.2023.114979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/03/2023]
Abstract
We present a novel approach to environmental risk assessment of produced water discharges based on explicit impact and probability, using a combination of transport, fate and toxicokinetic-toxicodynamic models within a super-individual framework, with a probabilistic element obtained from ensemble simulations. Our approach is motivated by a need for location and species specific tools which also accounts for the dynamic nature of exposure and uptake of produced water components in the sea. Our approach is based on the well-established fate model DREAM, and accounts for time-variable exposure, considers body burden and effects for specific species and stressors, and assesses the probability of impact. Using a produced water discharge in the Barents Sea, with early life stages of spawning haddock, we demonstrate that it is possible to conduct a model-based risk assessment that highlights the effect of natural variations in environmental conditions. The benefits, limitations and potential for further improvements are discussed.
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Affiliation(s)
| | | | | | - Tor Nordam
- SINTEF Ocean, Trondheim, Norway; Department of Physics, NTNU, Trondheim, Norway
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Brix KV, Blust R, Mertens J, Baken S, Middleton ET, Cooper C. Evaluation of effects-based methods as monitoring tools for assessing ecological impacts of metals in aquatic ecosystems. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2023; 19:24-31. [PMID: 35656908 PMCID: PMC10084288 DOI: 10.1002/ieam.4645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/22/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Effects-based methods (EBMs) are considered part of a more integrative strategy for regulating substances of concern under the European Union Water Framework Directive. In general, EBMs have been demonstrated as useful indicators of effects on biota, although links to population and community-level effects are sometimes uncertain. When EBMs are sufficiently specific and sensitive, and links between measured endpoints and apical or higher level effects are established, they can be a useful tool in assessing effects from a specific toxicant or class of toxicants. This is particularly valuable for toxicants that are difficult to measure and for assessing the effects of toxicant mixtures. This paper evaluates 12 EBMs that have been proposed for potential use in the assessment of metals. Each EBM was evaluated with respect to metal specificity and sensitivity, sensitivity to other classes of toxicants, and the strength of the relationship between EBM endpoints and effects observed at the whole organism or population levels of biological organization. The evaluation concluded that none of the EBMs evaluated meet all three criteria of being sensitive to metals, insensitive to other classes of toxicants, and a strong indicator of effects at the whole organism or population level. Given the lack of suitable EBMs for metals, we recommended that the continued development of mixture biotic ligand models (mBLMs) may be the most effective way to achieve the goal of a more holistic approach to regulating metals in aquatic ecosystems. Given the need to further develop and validate mBLMs, we suggest an interim weight-of-evidence approach that includes mBLMs, macroinvertebrate community bioassessment, and measurement of metals in key macroinvertebrate species. This approach provides a near-term solution and simultaneously generates data needed for the refinement and validation of mBLMs. Once validated, it should be possible to rely primarily on mBLMs as an alternative to EBMs for metals. Integr Environ Assess Manag 2023;19:24-31. © 2022 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Kevin V. Brix
- EcoTox LLCMiamiFloridaUSA
- University of Miami, RSMASMiamiFloridaUSA
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Pellegrino A, Vasiluk L, Hale B. Phytotoxicity effect concentrations (ECx) for Ce, Nd and Eu added to soil relative to total and bioaccessible soil REE concentrations, and tissue REE accumulations. CHEMOSPHERE 2022; 307:135723. [PMID: 35863417 DOI: 10.1016/j.chemosphere.2022.135723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/06/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Toxicity thresholds (ECx) for radish, tomato, and durum wheat growth endpoints (shoot length, shoot mass, root length) to Ce, Nd or Eu added to a black organic soil were determined from 14-day dose-response growth assays. EC10 expressed as total soil [REE] had a more than twenty-fold range, from 337 mg/kg to more than >8000 mg/kg. Averaged over all REEs and endpoints, durum wheat was more tolerant than radish and tomato; and averaged over all endpoints, Eu appeared to be the most phytotoxic of the three REEs. Bioaccessibility of each REE was determined by extraction with 0.01 M CaCl2, which for all three REEs in this soil was quite low, <0.10% of total. However, bioaccessibility of Eu was five or six times greater than that for Ce and Nd, and thus could explain its apparently greater toxicity, namely that Eu was more likely to be accumulated at the site of toxic action in the plant. To discern inherent toxicity from enhanced bioaccumulation, concentration of each REE in root and shoot tissues was determined, for a tissue-residue approach to toxicity assessment. The EC10 expressed as tissue concentration was lower for Nd than for Ce and Eu, thus the most toxic of the three REEs. As for many cationic inorganic elements, toxicity varies with the chemistry of the exposure medium due to its effects on bioaccessibility. Simple methods to harmonize toxicity thresholds from different media enables greater integration into regulatory standards. When EC25 from this and other studies were normalized to CaCl2-extractable REE in their respective media, the range in Ce EC25 was reduced from 20-fold to 2.5-fold, and the range for Eu EC25 was reduced from 25-fold to 3-fold. This novel and low-input approach to meta-analysis of toxicity thresholds demonstrates the value of considering soil physico-chemical properties as modifiers of soil REE toxicity.
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Affiliation(s)
- Amanda Pellegrino
- MTE Consultants, 520 Bingemans Centre Dr, Kitchener, ON, N2B 3X9, Canada.
| | - Luba Vasiluk
- School of Environmental Sciences, University of Guelph, 50 Stone Rd. E, Guelph, ON, N1G 2W1, Canada.
| | - Beverley Hale
- School of Environmental Sciences, University of Guelph, 50 Stone Rd. E, Guelph, ON, N1G 2W1, Canada.
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12
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Dos Santos A, Botelho MT, Vannuci-Silva M, Artal MC, Vacchi FI, Magalhães GR, Gomes V, Henry TB, Umbuzeiro GDA. The amphipod Parhyale hawaiensis as a promising model in ecotoxicology. CHEMOSPHERE 2022; 307:135959. [PMID: 35944683 DOI: 10.1016/j.chemosphere.2022.135959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/14/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Near-shore marine/estuarine environments play an important role in the functioning of the marine ecosystem and are extremely vulnerable to the presence of chemical pollution. The ability to investigate the effects of pollution is limited by a lack of model organisms for which sufficient ecotoxicological information is available, and this is particularly true for tropical regions. The circumtropical marine amphipod Parhyale hawaiensis has become an important model organism in various disciplines, and here we summarize the scientific literature regarding the emergence of this model within ecotoxicology. P. hawaiensis is easily cultured in the laboratory and standardized ecotoxicity protocols have been developed and refined (e.g., miniaturized), and effects of toxicants on acute toxicity (Cd, Cu, Zn, Ag, ammonia, dyes, pesticides, environmental samples), genotoxicity as comet assay/micronuclei, and gene expression (Ag ion and Ag nanoparticles) and regeneration (pesticides) have been published. Methods for determination of internal concentrations of metals (Cu and Ag) and organic substances (synthetic dye) in hemolymph were successfully developed providing sources for the establishment of toxicokinetics models in aquatic amphipods. Protocols to evaluate reproduction and growth, for testing immune responses and DNA damage in germ cells are under way. The sensitivity of P. hawaiensis, measured as 50% lethal concentration (LC50), is in the same range as other amphipods. The combination of feasibility to culture P. hawaiensis in laboratory, the recent protocols for ecotoxicity evaluation and the rapidly expanding knowledge on its biology make it especially attractive as a model organism and promising tool for risk assessment evaluations in tropical environments.
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Affiliation(s)
- Amanda Dos Santos
- School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil; School of Technology, University of Campinas, Limeira, SP, Brazil
| | | | | | | | - Francine I Vacchi
- School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil; School of Technology, University of Campinas, Limeira, SP, Brazil; Institute of Biology, University of Campinas, Campinas, SP, Brazil
| | | | - Vicente Gomes
- Oceanographic Institute, University of São Paulo, São Paulo, SP, Brazil
| | - Theodore Burdick Henry
- Institute of Life and Earth Sciences, School of Energy, Geoscience, Infrastructure, and Society, Heriot-Watt University, Edinburgh, Scotland, UK; Department of Forestry Wildlife and Fisheries, and Center for Environmental Biotechnology, The University of Tennessee, Knoxville, TN, USA
| | - Gisela de Aragão Umbuzeiro
- School of Technology, University of Campinas, Limeira, SP, Brazil; Institute of Biology, University of Campinas, Campinas, SP, Brazil.
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Gusso-Choueri PK, Choueri RB, de Araújo GS, Cruz ACF, de Oliveira Stremel TR, de Campos SX, de Souza Abessa DM, de Oliveira Ribeiro CA. Univariate or multivariate approaches for histopathological biomarkers in the context of environmental quality assessments? MARINE POLLUTION BULLETIN 2022; 181:113828. [PMID: 35716493 DOI: 10.1016/j.marpolbul.2022.113828] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/22/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
Although the simplification of multivariate histopathological data into univariate indices can be useful for the assessment of environmental quality, this implies a great loss of information. The objective of the present study was to evaluate the effectiveness, in the context of environmental quality assessment, of an approach that integrates individual histopathological responses in a discriminated manner with the results of contaminants by means of multivariate analyses. This analysis was compared to the diagnosis of environmental quality provided by the use of the univariate Bernet histopathological index. Contaminant loads (sediments and fish) and the liver histopathology of Cathorops spixii were integrated through multivariate analysis. Integrated individual histopathological responses allowed classifying environmental quality from more to less impacted sites, while the univariate index showed some inconsistencies with chemical loads and allowed identifying only the most impacted site.
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Affiliation(s)
- Paloma Kachel Gusso-Choueri
- NEPEA, Campus do Litoral Paulista, Universidade Estadual Paulista Júlio de Mesquita Filho, Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil; Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CP19031, 81531-990 Curitiba, PR, Brazil; Laboratório de Ecotoxicologia - Unisanta, Universidade Santa Cecília, R. Oswaldo Cruz, 277, Boqueirão, CP 11045-907 Santos, SP, Brazil
| | - Rodrigo Brasil Choueri
- Departamento de Ciências do Mar, Universidade Federal de São Paulo, Campus Baixada Santista, Rua Maria Máximo, 168, Ponta da Praia, Santos, SP CEP: 11030-100, Brazil.
| | - Giuliana Seraphim de Araújo
- NEPEA, Campus do Litoral Paulista, Universidade Estadual Paulista Júlio de Mesquita Filho, Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil
| | - Ana Carolina Feitosa Cruz
- NEPEA, Campus do Litoral Paulista, Universidade Estadual Paulista Júlio de Mesquita Filho, Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil
| | - Tatiana Roselena de Oliveira Stremel
- Post-Graduation Program in Applied Chemistry, Universidade Estadual de Ponta Grossa, Av. General Carlos Cavalcanti, 4748, Uvaranas, CP 84030-900 Ponta Grossa, PR, Brazil
| | - Sandro Xavier de Campos
- Post-Graduation Program in Applied Chemistry, Universidade Estadual de Ponta Grossa, Av. General Carlos Cavalcanti, 4748, Uvaranas, CP 84030-900 Ponta Grossa, PR, Brazil
| | - Denis Moledo de Souza Abessa
- NEPEA, Campus do Litoral Paulista, Universidade Estadual Paulista Júlio de Mesquita Filho, Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil
| | - Ciro Alberto de Oliveira Ribeiro
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CP19031, 81531-990 Curitiba, PR, Brazil
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Hano T, Ito K, Ito M, Takashima K, Somiya R, Takai Y, Oshima Y, Ohkubo N. Molting enhances internal concentrations of fipronil and thereby decreases survival of two estuarine resident marine crustaceans. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 247:106172. [PMID: 35468410 DOI: 10.1016/j.aquatox.2022.106172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
In aquatic arthropods, molting is a pivotal physiological process for normal development, but it may also expose them to higher risks from xenobiotics, because the organism may take up additional water during that time. This study aimed to assess the effects of molting on bioconcentration and survival after 96-h exposure to insecticide fipronil with or without oxygenase (CYP450s) inhibitor piperonyl butoxide (PBO) of two estuarine resident marine crustacean species: the sand shrimp Crangon uritai and the kuruma prawn Penaeus japonicus, with 96-h LC50 value of fipronil = 2.0 µg/L and 0.2 µg/L, respectively. Two graded concentrations included group high (H) (equivalent to the 96-h LC50 values) and low (L) (one-tenth of the H group concentration). Molting and survival were individually checked, and internal concentrations of fipronil and its metabolites (fipronil desulfinyl, fipronil sulfide, fipronil sulfone) were measured. The results showed that, only fipronil and fipronil sulfone were detected from organism, and that internal concentrations of these insecticides in molted specimens were higher than those of unmolted ones but comparable with those of dead ones. Accordingly, mortality was more frequent in molted specimens than those that were unmolted. Furthermore, involvement of oxygenase and higher lethal body burden threshold may confer higher tolerance to fipronil in sand shrimp than in the kuruma prawn. This study is the first to demonstrate that the body-residue-based approach is useful for deciphering the causal factors underlying fipronil toxicity, but highlights the need to consider physiological factors in arthropods, which influence and lie beyond body burden, molting and drug metabolism.
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Affiliation(s)
- Takeshi Hano
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan.
| | - Katsutoshi Ito
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Mana Ito
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Kei Takashima
- Fisheries Research Center, Ehime Research Institute of Agriculture, Forestry and Fisheries, 1611 Tanbara-chou Ikeda, Saijyo, Ehime 791-0508, Japan
| | - Rei Somiya
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Yuki Takai
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yuji Oshima
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Nobuyuki Ohkubo
- Environment Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
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Moreno-Ocio I, Méndez-Fernández L, Martínez-Madrid M, Costas N, Pardo I, Rodriguez P. Developing As and Cu Tissue Residue Thresholds to Attain the Good Ecological Status of Rivers in Mining Areas. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 82:379-390. [PMID: 35244725 PMCID: PMC8971172 DOI: 10.1007/s00244-022-00915-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
The study was performed on residue-effects datasets from polluted and unpolluted sites in the Nalón River basin (northern Spain). The effects were measured in terms of alteration of field macroinvertebrate communities, and measured as ecological status scores, and number of families and abundance of Ephemeroptera, Plecoptera and Trichoptera (EPT). Non-linear regression models of the field-measured tissue residues in 10 taxa related to the ecological status of the macroinvertebrate communities were used to derive effective tissue residues (ERs). These were estimated for the good/moderate boundary defined by the ecological quality ratio (EQRs) score and for the 50% reduction of EQR and EPT metrics. As, Cu, Hg and Se ERs were calculated for several macroinvertebrate taxa with different feeding styles. The ER dataset allowed us to estimate As and Cu hazardous concentrations (HC), using species sensitivity distribution models, and were interpreted as community thresholds. Further studies for Hg and Se are needed to complete the database required for HC estimation. The reliability and differences of the several thresholds were tested in a risk assessment using a tissue-residue approach (TRA) conducted with field organisms from Cauxa Creek, a tributary from the same basin exposed to high levels of metals in the sediments due to gold mining activities. This risk assessment identified that As and Cu tissue residues satisfactorily explained the reduction in the ecological status of the macroinvertebrate assemblages. Our results indicate that TRA can help in setting future environmental quality standards for the protection of aquatic biota.
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Affiliation(s)
- Iñigo Moreno-Ocio
- Department Zoology and Animal Cell Biology, University of the Basque Country, UPV/EHU, Box 644, 48080, Bilbao, Spain.
| | - Leire Méndez-Fernández
- Department Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, UPV/EHU, Bilbao, Spain
| | - Maite Martínez-Madrid
- Department Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, UPV/EHU, Bilbao, Spain
| | - Noemí Costas
- Department Ecology and Animal Biology, University of Vigo, Vigo, Spain
| | - Isabel Pardo
- Department Ecology and Animal Biology, University of Vigo, Vigo, Spain
| | - Pilar Rodriguez
- Department Zoology and Animal Cell Biology, University of the Basque Country, UPV/EHU, Box 644, 48080, Bilbao, Spain
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16
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Le TTY, Grabner D, Nachev M, García MR, Balsa-Canto E, Peijnenburg WJGM, Hendriks AJ, Sures B. Development of a toxicokinetic-toxicodynamic model simulating chronic copper toxicity to the Zebra mussel based on subcellular fractionation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 241:106015. [PMID: 34753109 DOI: 10.1016/j.aquatox.2021.106015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 10/04/2021] [Accepted: 10/29/2021] [Indexed: 06/13/2023]
Abstract
A toxicokinetic-toxicodynamic model based on subcellular metal partitioning is presented for simulating chronic toxicity of copper (Cu) from the estimated concentration in the fraction of potentially toxic metal (PTM). As such, the model allows for considering the significance of different pathways of metal sequestration in predicting metal toxicity. In the metabolically available pool (MAP), excess metals above the metabolic requirements and the detoxification and elimination capacity form the PTM fraction. The reversibly and irreversibly detoxified fractions were distinguished in the biologically detoxified compartment, while responses of organisms were related to Cu accumulation in the PTM fraction. The model was calibrated using the data on Cu concentrations in subcellular fractions and physiological responses measured by the glutathione S-transferase activity and the lipid peroxidation level during 24-day exposure of the Zebra mussel to Cu at concentrations of 25 and 50 µg/L and varying Na+ concentrations up to 4.0 mmol/L. The model was capable of explaining dynamics in the subcellular Cu partitioning, e.g. the trade-off between elimination and detoxification as well as the dependence of net accumulation, elimination, detoxification, and metabolism on the exposure level. Increases in the net accumulation rate in the MAP contributed to increased concentrations of Cu in this fraction. Moreover, these results are indicative of ineffective detoxification at high exposure levels and spill-over effects of detoxification.
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Affiliation(s)
- T T Yen Le
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Faculty of Biology, University of Duisburg-Essen, D-45141 Essen, Germany.
| | - Daniel Grabner
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Faculty of Biology, University of Duisburg-Essen, D-45141 Essen, Germany
| | - Milen Nachev
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Faculty of Biology, University of Duisburg-Essen, D-45141 Essen, Germany
| | - Míriam R García
- Process Engineering Group, Spanish Council for Scientific Research, IIM-CSIC, 36208 Vigo, Spain
| | - Eva Balsa-Canto
- Process Engineering Group, Spanish Council for Scientific Research, IIM-CSIC, 36208 Vigo, Spain
| | - Willie J G M Peijnenburg
- Center for Safety of Substances and Products, National Institute for Public Health and the Environment, Bilthoven, 3720 BA, the Netherlands; Institute for Environmental Sciences, Leiden university, 2311 EZ Leiden, the Netherlands
| | - A Jan Hendriks
- Department of Environmental Science, Faculty of Science, Radboud University Nijmegen, 6525 HP Nijmegen, the Netherlands
| | - Bernd Sures
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), Faculty of Biology, University of Duisburg-Essen, D-45141 Essen, Germany
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17
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Obiakor MO, Tighe MK, Pereg L, Taylor AM, Maher W, Krikowa F, Wilson SC. Sensitivity of Freshwater Australian Bass (Macquaria novemaculeata) and Silver Perch (Bidyanus bidyanus) to Waterborne Antimony: Exposure-Dose-Response Characteristics and Ion Homeostasis. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 81:621-636. [PMID: 34562110 DOI: 10.1007/s00244-021-00891-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
We conducted acute toxicity studies using semi-static protocols to examine the lethal responses of Australian bass and silver perch exposed to antimony (Sb) oxidation states in Sb(III) (10.5-30.5 mg L-1) and Sb(V) (95.9-258.7 mg L-1). Bioavailability and the effects of Sb on body ion regulation (Na, Ca, Mg, and K) were also investigated. Antimony species-specific effects were observed with exposure to both Sb oxidation states. Median lethal concentrations (LC50s) for Sb(III) were 13.6 and 18 mg L-1 for Australian bass and silver perch, respectively, and the LC50 for Sb(V) in Australian bass was 165.3 mg L-1. The LC50 could not be calculated for silver perch exposed to Sb(V) as the maximum exposure concentrations produced 40% mortality but a larger-than value of > 258.7 mg L-1 was estimated. Relative median potency values derived from the LC50s were 0.1 Sb(III) and 12.2 and 16.6 Sb(V) for Australian bass and silver perch, respectively, demonstrating greater toxicity of Sb(III) to both fish species. Antimony uptake in fish was observed. Median critical body residue (CBR50) values of 77.7 and 26.6 mg kg-1 for Sb(III) were estimated for Australian bass and silver perch, respectively, and 628.1 mg kg-1 for Sb(V) in Australian bass. Bioconcentration factors (BCFs) for both Sb(III) and Sb(V) did not change with exposure but the greater BCFs for fish exposed to Sb(III) indicate that it is more bioavailable than Sb(V) in acute exposure. No effects on whole-body Na, Ca, Mg, or K ions were observed with fish exposure to either Sb species.
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Affiliation(s)
| | - Matthew K Tighe
- School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
| | - Lily Pereg
- School of Science and Technology, University of New England, Armidale, NSW, Australia
| | - Anne M Taylor
- Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia
- Centre for Applied Water Science, University of Canberra, Canberra, ACT 2601, Australia
| | - William Maher
- Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia
| | - Frank Krikowa
- Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia
| | - Susan C Wilson
- School of Environmental and Rural Science, University of New England, Armidale, NSW, Australia
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18
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Gestin O, Lacoue-Labarthe T, Coquery M, Delorme N, Garnero L, Dherret L, Ciccia T, Geffard O, Lopes C. One and multi-compartments toxico-kinetic modeling to understand metals' organotropism and fate in Gammarus fossarum. ENVIRONMENT INTERNATIONAL 2021; 156:106625. [PMID: 34010754 DOI: 10.1016/j.envint.2021.106625] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 04/07/2021] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
The use of freshwater invertebrates for biomonitoring has been increasing for several decades, but little is known about relations between external exposure concentration of metals and their biodistribution among different tissues. One and multi-compartments toxicokinetic (TK) models are powerful tools to formalize and predict how a contaminant is bioaccumulated. The aim of this study is to develop modeling approaches to improve knowledge on dynamic of accumulation and fate of Cd and Hg in gammarid's organs. Gammarids were exposed to dissolved metals (11.1 ± 1.2 µg.L-1 of Cd or 0.27 ± 0.13 µg.L-1 of Hg) before a depuration phase. At each sampling days, their organs (caeca, cephalon, intestine and remaining tissues) were separated by dissection before analyses. Results allowed us to determine that i) G.fossarum takes up Cd as efficiently as the mussel M.galloprovincialis, but eliminates it more rapidly, ii) organs which accumulate and depurate the most, in terms of concentrations, are caeca and intestine for both metals; iii) the one-compartment TK models is the most relevant for Hg, while the multi-compartments TK model allows a better fit to Cd data, demonstrating dynamic transfer of Cd among organs.
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Affiliation(s)
- Ophélia Gestin
- Univ Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive UMR 5558, 69622 Villeurbanne, France; Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France; INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Thomas Lacoue-Labarthe
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France.
| | - Marina Coquery
- INRAE, RiverLy, Aquatic Chemistry Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Nicolas Delorme
- INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Laura Garnero
- INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Lysiane Dherret
- INRAE, RiverLy, Aquatic Chemistry Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Théo Ciccia
- INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Olivier Geffard
- INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
| | - Christelle Lopes
- INRAE, RiverLy, Ecotoxicology Laboratory, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France.
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19
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Lee Y, Yoon DS, Lee YH, Kwak JI, An YJ, Lee JS, Park JC. Combined exposure to microplastics and zinc produces sex-specific responses in the water flea Daphnia magna. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126652. [PMID: 34329117 DOI: 10.1016/j.jhazmat.2021.126652] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/09/2021] [Accepted: 07/13/2021] [Indexed: 05/07/2023]
Abstract
Microplastics are ubiquitous environmental pollutants and a great threat to the aquatic environment. Due to their small size (ranging from 1 µm to 5 mm), microplastics be easily ingested by a wide range of organisms and can serve as a vector for various contaminants. In this study, additive or possible synergistic effects of microplastics and zinc were demonstrated through sex-specific alterations in behavior, redox status, and modulation of detoxification-related genes in Daphnia magna, with males being more sensitive than females with stronger modulations of antioxidant responses, particularly on glutathione S-transferases expressions. Furthermore, we demonstrated microplastics may act as vectors for metals (Zn2+) in the aquatic environment in D. magna, with reduced bio-concentration of the total Zn concentration, inducing greater toxicity. Our findings demonstrated synergistic toxicity of the heavy metal Zn and microplastics and could contribute to greater understanding of sex-specific effects of microplastics in aquatic organisms.
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Affiliation(s)
- Yoseop Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Deok-Seo Yoon
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Young Hwan Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jin Il Kwak
- Department of Environmental Health Science, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea
| | - Youn-Joo An
- Department of Environmental Health Science, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
| | - Jun Chul Park
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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Lobo H, Méndez-Fernández L, Martínez-Madrid M, Rodriguez P, Daam MA, Espíndola ELG. Bioaccumulation and chronic toxicity of arsenic and zinc in the aquatic oligochaetes Branchiura sowerbyi and Tubifex tubifex (Annelida, Clitellata). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 239:105955. [PMID: 34500378 DOI: 10.1016/j.aquatox.2021.105955] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/19/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Oligochaetes feed on bulk sediment and penetrate the sediment through the construction of burrows, making them especially vulnerable to sediment metal contamination. However, the few oligochaete species that have been tested to date are almost exclusively temperate test species. Although the warmwater adapted species Branchiura sowerbyi has been indicated as a promising candidate for tropical sediment toxicity testing, few (especially chronic) studies have been conducted so far to confirm this. Therefore, the aim of the present study was to evaluate the bioaccumulation and chronic 28d lethal and sublethal toxicity of arsenic (As) and zinc (Zn) to both the warmwater-adapted B. sowerbyi and the coldwater-adapted oligochaete Tubifex tubifex for comparison. Arsenic was more toxic to both oligochaete species than Zn. Inter- and intra-species variability in toxicity values of the two test species and other benthic invertebrates was within an order of magnitude. However, B. sowerbyi was the most sensitive species to As even for sediment concentration (EC50: 36.6 ± 2.1 µg/g and 147.1 ± 21.7 µg/g, for B. sowerbyi and T. tubifex, respectively) and for tissue concentration (ER50: 9.2 ± 0.9 µg/g and 887.0 ± 35.0 µg/g, for B. sowerbyi and T. tubifex, respectively). Finally, the Tissue Residue-effects Approach (TRA) using Effective Tissue Residues appears to be a promising way forward in advancing in this since it considers internal body concentrations.
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Affiliation(s)
- Haroldo Lobo
- Núcleo de Ecotoxicologia e Ecologia Aplicada, Programa de Pós-Graduação em Ciências da Engenharia, Ambiental, EESC/USP. Av. Trabalhador São Carlense, 400. Cep, São Carlos, SP 13564-590, Brazil.
| | - Leire Méndez-Fernández
- Department of Zoology and Animal Cellular Biology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Maite Martínez-Madrid
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Pilar Rodriguez
- Department of Zoology and Animal Cellular Biology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, Caparica 2829-516, Portugal.
| | - Evaldo L G Espíndola
- Núcleo de Ecotoxicologia e Ecologia Aplicada, Programa de Pós-Graduação em Ciências da Engenharia, Ambiental, EESC/USP. Av. Trabalhador São Carlense, 400. Cep, São Carlos, SP 13564-590, Brazil.
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21
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Flipkens G, Blust R, Town RM. Deriving Nickel (Ni(II)) and Chromium (Cr(III)) Based Environmentally Safe Olivine Guidelines for Coastal Enhanced Silicate Weathering. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:12362-12371. [PMID: 34464125 DOI: 10.1021/acs.est.1c02974] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Enhanced silicate weathering (ESW) by spreading finely ground silicate rock along the coastal zone to remove atmospheric carbon dioxide (CO2) is a proposed climate change mitigation technique. The abundant and fast-dissolving mineral olivine has received the most attention for this application. However, olivine contains nickel (Ni) and chromium (Cr), which may pose a risk to marine biota during a gigaton-scale ESW application. Herein we derive a first guideline for coastal olivine dispersal based on existing marine environmental quality standards (EQS) for Ni and Cr. Results show that benthic biota are at the highest risk when olivine and its associated trace metals are mixed in the surface sediment. Specifically, depending on local sedimentary Ni concentrations, 0.059-1.4 kg of olivine m-2 of seabed could be supplied without posing risks for benthic biota. Accordingly, globally coastal ESW could safely sequester only 0.51-37 Gt of CO2 in the 21st century. On the basis of current EQS, we conclude that adverse environmental impacts from Ni and Cr release could reduce the applicability of olivine in coastal ESW. Our findings call for more in-depth studies on the potential toxicity of olivine toward benthic marine biota, especially in regard to bioavailability and metal mixture toxicity.
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Affiliation(s)
- Gunter Flipkens
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Raewyn M Town
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
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22
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Liu W, Qiu H, Yan Y, Xie X. Acute Cd Toxicity, Metal Accumulation, and Ion Loss in Southern Catfish ( Silurus meridionalis Chen). TOXICS 2021; 9:toxics9090202. [PMID: 34564353 PMCID: PMC8473079 DOI: 10.3390/toxics9090202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/18/2021] [Accepted: 08/27/2021] [Indexed: 11/16/2022]
Abstract
The amounts of cadmium in multiple organs and the amounts of Na+ and Ca2+ in the carcass were measured in dead and surviving southern catfish exposed to different concentrations of Cd. The 96 h median lethal concentration was 6.85 mg/L. The Cd content and Cd accumulation rate were positively correlated with Cd exposure concentrations, and there were significant differences between dead and surviving individuals, indicating that both Cd content in tissues and Cd accumulation rates were correlated with mortality. Cd levels in the liver of dead fish were saturated. A lethal threshold for Cd concentration in the whole fish was obtained. Bioconcentration factors for Cd did not decrease with increasing exposure. Acute exposure to waterborne Cd caused a significant decrease in the ion content of the fish carcass. There was a significant difference between the Na+ content of the carcass of dead fish (34.54 μmol/g wet weight) and surviving fish (59.34 μmol/g wet weight), which was not the case with the Ca2+ content, indicating that the lethal toxicity of Cd was probably related to the decrease in Na+ content. Collectively, these results suggest that whole-fish Cd concentration and carcass Na+ content can be useful indicators of fish acutely exposed to Cd.
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Affiliation(s)
- Wenming Liu
- Correspondence: (W.L.); (X.X.); Tel.: +86-23-6825-3505 (W.L. & X.X.)
| | | | | | - Xiaojun Xie
- Correspondence: (W.L.); (X.X.); Tel.: +86-23-6825-3505 (W.L. & X.X.)
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23
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Rodriguez P, Moreno-Ocio I, Martínez-Madrid M, Costas N, Pardo I, Méndez-Fernández L. Proposal of integrative scores and biomonitor selection for metal bioaccumulation risk assessment in mine-impacted rivers. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 238:105918. [PMID: 34365151 DOI: 10.1016/j.aquatox.2021.105918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 07/13/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
Development of sound criteria for metal and metalloid bioaccumulation risk assessment in river basins affected by mining activities is a necessary tool to protect the aquatic communities. The aim of this study is to propose integrative scores for tissue residues that are suitable for surveillance programs and readily interpreted in terms of risk assessment in mining impacted rivers. Tissue residues of 7 trace metals and 2 metalloids were measured in ten macroinvertebrate taxa from the Nalón River basin (Spain), affected by Hg, Cu and Au mining activities. Compared with reference sites, biomonitor taxa from Hg and Au mining districts showed the highest bioaccumulation. However, low or non-significant bioaccumulation was found in sites influenced by historical Cu mining. Multivariate analyses (ANOSIM) performed on individual taxa revealed significant differences in tissue residues between sites classified according to their ecological status. The bioaccumulation risk assessment was based on the average ratio of the actual metal tissue residues in each macroinvertebrate taxon to the corresponding Ecological Threshold tissue concentration (Tissue residue Ratio to Threshold, TRT). The suitability of the biomonitors was evaluated using linear regression models fitted to the relationships between TRT scores and site sediment pollution or ecological status scores. Biomonitor selection also considered differences in invertebrate functional traits, which can influence metal and metalloid bioavailability. Site bioaccumulation risk was assessed on an Integrated Tissue concentration score (INTISS), calculated over a selection of the most relevant chemicals (As, Cu and Hg) and 3 biomonitor taxa (Baetidae, Hydropsychidae, Microdrile oligochaetes) comprising a set of feeding styles. Based on INTISS, it was possible to predict community alteration scores, using linear regression models. A comparison of site bioaccumulation and ecological status assessments based on the departure from reference conditions showed that operational monitoring programs in basins impaired by mining can be optimized by combining both approaches.
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Affiliation(s)
- Pilar Rodriguez
- Dpt. Zoology and Animal Cell Biology, University of the Basque Country, Apdo. 644, 48080 Bilbao, Spain.
| | - Iñigo Moreno-Ocio
- Dpt. Zoology and Animal Cell Biology, University of the Basque Country, Apdo. 644, 48080 Bilbao, Spain
| | - Maite Martínez-Madrid
- Dpt. Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country 48080 Bilbao, Spain
| | - Noemi Costas
- Dpt. Ecology and Animal Biology, University of Vigo, 36310 Vigo, Spain
| | - Isabel Pardo
- Dpt. Ecology and Animal Biology, University of Vigo, 36310 Vigo, Spain
| | - Leire Méndez-Fernández
- Dpt. Zoology and Animal Cell Biology, University of the Basque Country, Apdo. 644, 48080 Bilbao, Spain
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24
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Kraus JM, Wanty RB, Schmidt TS, Walters DM, Wolf RE. Variation in metal concentrations across a large contamination gradient is reflected in stream but not linked riparian food webs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144714. [PMID: 33736264 DOI: 10.1016/j.scitotenv.2020.144714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 06/12/2023]
Abstract
Aquatic insects link food web dynamics across freshwater-terrestrial boundaries and subsidize terrestrial consumer populations. Contaminants that accumulate in larval aquatic insects and are retained across metamorphosis can increase dietary exposure for riparian insectivores. To better understand potential exposure of terrestrial insectivores to aquatically-derived trace metals, metal concentrations in water and tissues were analyzed from different components of streams and riparian food webs across a large (2-3 orders of magnitude) metal gradient (e.g., Zn, Cu, Cd, Pb) in the Rocky Mountains (USA). Our research indicates that the trace metal concentration gradient present among streams was lost during metamorphosis of aquatic larval insects into terrestrially flying adults, decoupling terrestrial exposures from aquatic concentrations. This pattern was caused by declines in 1) among-stream variation in trace metal concentrations, 2) relationships between metal concentrations in paired water and food web components, and 3) mean metal concentrations within aquatic food webs and across the aquatic-terrestrial boundary. Specifically, among-stream variation in trace metal concentrations was highest for water and aquatic vegetation, intermediate for aquatic insect larvae (~30% lower than water) and lowest for adult aquatic insects and riparian spiders (~65% lower). Metal concentrations in paired water and food web components ranged from highly related across the stream-metal gradient (slopes ~1) for water and aquatic vegetation, to less related (slopes closer to 0) for aquatic vegetation and aquatic insect larvae, to unrelated (slopes ~0) for aquatic larval and adult insects. Finally, mean metal concentrations were highest in aquatic vegetation and lowest in adult aquatic insects emerging from streams (~50% lower than aquatic vegetation). Our results indicate less efficient trophic transfer and higher metamorphic loss of trace metals from high metal streams (i.e., exposure-dependent transfer). For many trace metals, aquatic-terrestrial dietary transfer is unlikely to be an important source of exposure for terrestrial insectivores of adult aquatic insects.
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Affiliation(s)
- Johanna M Kraus
- U.S. Geological Survey Columbia Environmental Research Center, 4200 New Haven Road, Columbia, MO 65201, USA.
| | - Richard B Wanty
- U.S. Geological Survey Southwest Isotope Research Laboratories, Denver Federal Center, MS 963, Denver, CO 80225, USA
| | - Travis S Schmidt
- U.S. Geological Survey Wyoming-Montana Water Science Center, 3162 Bozeman Ave, Helena, MT 509601, USA
| | - David M Walters
- U.S. Geological Survey Columbia Environmental Research Center, 4200 New Haven Road, Columbia, MO 65201, USA
| | - Ruth E Wolf
- Perkin Elmer, Inc., 2651 Warrenville Rd, Suite 100, Downers Grove, IL 60515, USA
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25
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Arnold A, Murphy JF, Pretty JL, Duerdoth CP, Smith BD, Rainbow PS, Spencer KL, Collins AL, Jones JI. Accumulation of trace metals in freshwater macroinvertebrates across metal contamination gradients. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 276:116721. [PMID: 33601199 DOI: 10.1016/j.envpol.2021.116721] [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: 11/17/2020] [Revised: 02/01/2021] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
Historical mining activities cause widespread, long-term trace metal contamination of freshwater ecosystems. However, measuring trace metal bioavailability has proven difficult, because it depends on many factors, not least concentrations in water, sediment and habitat. Simple tools are needed to assess bioavailabilities. The use of biomonitors has been widely advocated to provide a realistic measure. To date there have been few attempts to identify ubiquitous patterns of trace metal accumulation within and between freshwater biomonitors at geographical scales relevant to trace metal contamination. Here we address this through a nationwide collection of freshwater biomonitors (species of Gammarus, Leuctra, Baetis, Rhyacophila, Hydropsyche) from 99 English and Welsh stream sites spanning a gradient of high to low trace metal loading. The study tested for inter-biomonitor variation in trace metal body burden, and for congruence amongst accumulations of trace metals within taxa and between taxa across the gradient. In general, significant differences in trace metal body burden occurred between taxa: Gammarus sp. was the most different compared with insect biomonitors. Bivariate relationships between trace metals within biomonitors reflected trace metal profiles in the environment. Strong correlations between some trace metals suggested accumulation was also influenced by physiological pathways. Bivariate relationships between insect biomonitors for body burdens of As, Cu, Mn and Pb were highly consistent. Our data show that irrespective of taxonomic or ecological differences, there is a commonality of response amongst insect taxa, indicating one or more could provide consistent measures of trace metal bioavailability.
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Affiliation(s)
- Amanda Arnold
- School of Biological & Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.
| | - John F Murphy
- School of Biological & Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.
| | - James L Pretty
- School of Biological & Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.
| | - Charles P Duerdoth
- School of Biological & Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK
| | - Brian D Smith
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK.
| | - Philip S Rainbow
- Department of Life Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, UK.
| | - Kate L Spencer
- School of Geography, Queen Mary University of London, London, E1 4NS, UK.
| | - Adrian L Collins
- Sustainable Agricultural Sciences, Rothamsted Research, North Wyke, Okehampton, Devon, EX20 2SB, UK.
| | - J Iwan Jones
- School of Biological & Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.
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26
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Ramteke D, Chakraborty P, Chennuri K, Sarkar A. Geochemical fractionation study in combination with equilibrium based chemical speciation modelling of Cd in finer sediments provide a better description of Cd bioavailability in tropical estuarine systems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:143798. [PMID: 33418357 DOI: 10.1016/j.scitotenv.2020.143798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 06/12/2023]
Abstract
Geochemical fractionation study of cadmium (Cd) in combination with equilibrium based chemical speciation modelling (visual MINTEQ) in finer sediment samples (silt and clay portion), provided a better description of Cd bioavailability for sessile organisms (like oysters) in the Zuari estuary, west coast of India. A substantial fraction of total Cd in the finer sediment samples was present as water soluble, exchangeable and carbonate/bicarbonate forms and showed a strong positive relationship with Cd-bioaccumulation in oysters (Magallana sp.) from the study area. Cadmium bioaccumulation (ranged from 2.4-7.9 mg·kg-1) in soft tissues of the edible oyster was high (higher than the maximum permissible limit for human consumption) throughout the study period of one year. Equilibrium based speciation modelling suggest that sedimentary CdCl2, CdCl+ and Cd2+ were responsible for Cd bioaccumulation in the oysters. This study describes that combination of geochemical fractionation study of metals in finer sediments and equilibrium based speciation modelling can be very useful in comprehending link between sedimentary metal speciation and its bioaccumulation in sessile organisms.
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Affiliation(s)
- Darwin Ramteke
- Geological Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India
| | - Parthasarathi Chakraborty
- Geological Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India; Centre for Oceans, Rivers, Atmosphere and Land Sciences (CORAL), Indian Institute of Technology, Kharagpur, West Bengal 721302, India.
| | - Kartheek Chennuri
- Geological Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India
| | - Arindam Sarkar
- Regional Research Station (R & L Zone), Bidhan Chandra Krishi Viswavidyalaya, Jhargram, West Bengal 721507, India
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27
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Loureiro RC, Calisto JFF, Magro JD, Restello RM, Hepp LU. The influence of the environment in the incorporation of copper and cadmium in scraper insects. ENVIRONMENTAL MONITORING AND ASSESSMENT 2021; 193:215. [PMID: 33759031 DOI: 10.1007/s10661-021-08997-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
In regions with intense agricultural activity, increases in heavy metal concentrations in aquatic environments are common. Among the metals associated with agricultural activities, copper (Cu) and cadmium (Cd) have been found to directly affect aquatic trophic structures due to the ease of incorporation by primary producers and consuming organisms. Aquatic insects are predominantly found in streams, and their presence is determined by environmental characteristics and food availability. In this study, we seek to understand how the incorporation of Cu and Cd by scraper insects relates to their environment and food sources. We collected water, sediment, biofilm and scraper insect samples in streams with different intensities of agricultural activities in the drainage areas. The intensity of agricultural activities in the catchment area positively influenced the Cu and Cd concentrations in organisms and other aquatic compartments. The metals were readily incorporated by the biofilms. Although the functional characteristics are important to understand the functioning of ecosystems, in this study, we found that the physiological characteristics can be determinants in the concentrations of metals in aquatic insects.
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Affiliation(s)
- Rafael Chaves Loureiro
- Programa de Pós-graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Av. Itália, Km 8 - Campus Carreiros, Rio Grande, Rio Grande do Sul, 96203-900, Brazil.
| | - Jean Felipe Fossá Calisto
- Programa de Pós-graduação em Ciências Ambientais, Área de Ciências Naturais e Exatas, Universidade Comunitária da Região de Chapecó, Avenida Senador Atílio Fontana, Chapecó, SC, 591E89809-000, Brazil
| | - Jacir Dal Magro
- Programa de Pós-graduação em Ciências Ambientais, Área de Ciências Naturais e Exatas, Universidade Comunitária da Região de Chapecó, Avenida Senador Atílio Fontana, Chapecó, SC, 591E89809-000, Brazil
| | - Rozane Maria Restello
- Programa de Pós-graduação em Ecologia, Universidade Regional Integrada do Alto Uruguai e das Missões, Av. Sete de Setembro, Erechim, Rio Grande do Sul, 162199709-910, Brazil
| | - Luiz Ubiratan Hepp
- Programa de Pós-graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Av. Itália, Km 8 - Campus Carreiros, Rio Grande, Rio Grande do Sul, 96203-900, Brazil
- Universidade Federal de Mato Grosso do Sul, Campus Três Lagoas, Av. Ranulpho Marques Leal, 3484, Três Lagoas, Mato Grosso do Sul, 79613-000, Brazil
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28
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Shekh K, Saeed H, Kodzhahinchev V, Brinkmann M, Hecker M, Niyogi S. Differences in the subcellular distribution of cadmium and copper in the gills and liver of white sturgeon (Acipenser transmontanus) and rainbow trout (Oncorhynchus mykiss). CHEMOSPHERE 2021; 265:129142. [PMID: 33291014 DOI: 10.1016/j.chemosphere.2020.129142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 11/12/2020] [Accepted: 11/26/2020] [Indexed: 06/12/2023]
Abstract
Recent studies have shown that white sturgeon (Acipenser transmontanus) are more resistant to cadmium (Cd) compared to rainbow trout (Oncorhynchus mykiss), whereas they are more sensitive than rainbow trout when exposed to copper (Cu). Differences in the subcellular distribution of metals among species could be one of the factors responsible for the differences in the sensitivity to metals. Although, subcellular distribution has been studied extensively in many species with many metals, its direct role in species-specific differences in the sensitivity has not been well studied. The objective of this study was to evaluate the role of subcellular distribution of metals in species-specific differences in the sensitivity to metals between sturgeon and trout. We compared the subcellular distribution of metals Cd and Cu in the cellular debris, heat-stable proteins, heat-denatured fraction, metal-rich granules, and organelles fractions from the gills and liver after exposure of juveniles of both species to 1.25 and 20 μg/L Cd and Cu for 8 days, respectively. Sturgeon diverted a higher amount of Cd towards biologically inactive metal pool (BIM) and a lower amount towards the biologically active metal pool (BAM) compared to trout in both tissues. This explained why sturgeon are able to tolerate a relatively higher exposure level to Cd compared to trout. For Cu, there was no statistically significant species-specific differences in the amounts diverted towards either BAM or BIM; hence, white sturgeon's greater sensitivity to Cu was not explained by its subcellular distribution strategies.
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Affiliation(s)
- Kamran Shekh
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada.
| | - Huzaifa Saeed
- College of Medicine, University of Saskatchewan, Saskatoon, SK, S7N 5E5, Canada
| | | | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada; School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon, SK, S7N 5C8, Canada; Global Institute for Water Security (GIWS), University of Saskatchewan, Saskatoon, Canada
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada; School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon, SK, S7N 5C8, Canada
| | - Som Niyogi
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada; Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
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29
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Wepener V, Degger N. Monitoring metals in South African harbours between 2008 and 2009, using resident mussels as indicator organisms. AFRICAN ZOOLOGY 2020. [DOI: 10.1080/15627020.2020.1799720] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- V Wepener
- Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - N Degger
- UNESCO Intergovernmental Oceanographic Commission, Paris, France
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30
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Gao Y, Xie Z, Feng M, Feng J, Zhu L. A biological characteristic extrapolation of compound toxicity for different developmental stage species with toxicokinetic-toxicodynamic model. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 203:111043. [PMID: 32888597 DOI: 10.1016/j.ecoenv.2020.111043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 07/05/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Intraspecific difference in toxicity brings uncertainty to ecological risk assessment (ERA) and water quality criteria (WQC) of chemicals. Here, we compared intraspecies sensitivity to toxicants for Mesocyclops leuckarti of which toxicity data was obtained from published literatures, and zebrafish Danio rerio of which toxicity data was done in this study). Due to the internal concentration of chemicals not measured, simplified toxicokinetic-toxicodynamic (TK-TD) models were used, and we investigated whether TK-TD parameters estimated by Bayesian method might represent the differences in sensitivity between life-stages of 2 species. The results demonstrated that the difference in TK-TD parameters (background mortality m0, no effect concentration NEC, the killing rate ks, and the dominant rate kd) could represent the toxicity difference between life-stages of individual species. The TK-TD model could predict toxicity in individual species (Cyprinus carpio L., Enchytraeus crypticus, Folsomia candida, Hyalella Azteca) exposed to different chemical concentrations and successfully extrapolate toxicity between different life stages of Mesocyclops leuckarti and Danio rerio by scaling several TK-TD parameters. The modified TK-TD model on the extrapolation toxicity of chemicals between life stages for species could be useful for the ERA and for deriving and revising WQC for chemicals.
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Affiliation(s)
- Yongfei Gao
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China
| | - Zhicheng Xie
- Tianjin Academy of Environmental Sciences, Tianjin, 300191, China
| | - Mingfeng Feng
- Tianjin Academy of Environmental Sciences, Tianjin, 300191, China
| | - Jianfeng Feng
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China.
| | - Lin Zhu
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China
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Ali S, Awan Z, Mumtaz S, Shakir HA, Ahmad F, Ulhaq M, Tahir HM, Awan MS, Sharif S, Irfan M, Khan MA. Cardiac toxicity of heavy metals (cadmium and mercury) and pharmacological intervention by vitamin C in rabbits. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:29266-29279. [PMID: 32436095 DOI: 10.1007/s11356-020-09011-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
Mercury and cadmium are highly dangerous metals that can lead to disastrous effects in animals and humans. The aim of the current research was to elucidate the poisonous effects of mercuric chloride and cadmium chloride individually and in combination on biochemical profiles of plasma and their accumulation in heart. The therapeutic effect of vitamin C against these metals in rabbits was also studied. Mercuric chloride (1.2 μg/g), cadmium chloride (1.5 μg/g), and vitamin C (150 μg/g of body weight) were orally given to treatment groups of the rabbits (1-control; 2-vitamin; 3-CdCl2; 4-HgCl2; 5-vitamin + CdCl2; 6-vitamin + HgCl2; 7-CdCl2 + HgCl2, and 8-vitamin + CdCl2 + HgCl2. After the biometric determination of all intoxicated rabbits, biochemical parameters, viz low-density lipoproteins (LDL), high-density lipoproteins (HDL), cholesterol, creatine kinase, and troponin T (TnT) were analyzed using available kits. Levels of cholesterol (0.7 ± 0.1 mmol/l), creatine kinase (2985.2 ± 11 IU/L), LDL (20.35 ± 1.31 mg/dl), and troponin T (1.22 ± 0.03 μg/l) were significantly (P < 0.05) increased. HDL (84.78 ± 4.30 mg/dl) was significantly (P < 0.05) decreased, while supplementation of vitamin C decreased the adverse effects of CdCl2 and HgCl2 on biochemical parameters in all metal-exposed groups. A similar trend was also seen in rabbits treated with CdCl2 + vitamin and vitamin + CdCl2 + HgCl2. Accumulation of Cd and Hg was higher in heart tissues. This study, therefore, provides awareness on the cardiac toxicity of mercury and cadmium chlorides in the rabbits and the possible protective role of vitamin C against the perturbations induced by metals.
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Affiliation(s)
- Shaukat Ali
- Applied Entomology and Medical Toxicology Laboratory, Department of Zoology, Government College University, Lahore, Pakistan.
| | - Zubia Awan
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Shumaila Mumtaz
- Applied Entomology and Medical Toxicology Laboratory, Department of Zoology, Government College University, Lahore, Pakistan
| | | | - Farooq Ahmad
- Department of Zoology, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Mazhar Ulhaq
- Department of Veterinary Biomedical Sciences, PMAS Arid Agriculture University, Rawalpindi, PK-46300, Pakistan
| | - Hafiz Muhammad Tahir
- Applied Entomology and Medical Toxicology Laboratory, Department of Zoology, Government College University, Lahore, Pakistan
| | | | - Saima Sharif
- Department of Zoology, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad Irfan
- Department of Biotechnology, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Adeeb Khan
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
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Hinojosa-Garro D, Osten JRV, Dzul-Caamal R. Banded tetra (Astyanax aeneus) as bioindicator of trace metals in aquatic ecosystems of the Yucatan Peninsula, Mexico: Experimental biomarkers validation and wild populations biomonitoring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 195:110477. [PMID: 32200148 DOI: 10.1016/j.ecoenv.2020.110477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/18/2020] [Accepted: 03/12/2020] [Indexed: 06/10/2023]
Abstract
Bioindicator organisms are important tools in environmental monitoring studies. Understanding this, the overall goal of the present study was to evaluate the sensitivity and viability of the native fish species Banded tetra, (Astyanax aeneus; Günther, 1860), widely spread in the aquatic ecosystems of the Yucatan Peninsula in Mexico, as a bioindicator organism. In order to do this, we performed a bioassay at sublethal concentrations using copper (CuSO4) to experimentally evaluate and validate the relationship between the trace metals and oxidative stress biomarkers response [(catalase (CAT), lipoperoxidation content (LPO)], detoxification [(glutathione S-transferase (GST), metallothionein content (MT)] and neurotoxicity (AChE) in muscle of A. aeneus. Results showed changes in biomarkers after 96 h: Catalase activity (CAT) was significantly higher above 1.5 and 2 mg/L (154.35 and 172.50% increase, respectively); lipid peroxidation contents (TBARS), GST activity, and MT content were very similar to CAT activity at 1.5 and 2 mg/L of Cu. In terms of neurotoxicity, AChE activity was significantly inhibited at 0.1 mg/L (64%; p < 0.001) and 0.5 mg/L (44%; p < 0.001) of Cu. Based on the bioassay results, we performed a trace metal monitoring campaign in muscle of A. aeneus caught in 15 sites with different anthropogenic activities, during the summer of 2017, to establish a baseline of trace metals pollution in the state of Campeche. A. aeneus showed the highest trace metal accumulation in the following order: Al > Fe > Mn > Zn > Cu > Hg > Cr > Pb > Cd > V > As, while sites were arrange as follows: Xnoha lagoon > Palizada River > Candelaria River > Ululmal > Maravillas > López Mateos. PCA showed a cluster between biomarkers (GST, CAT, TBARS, and MT) and concentration of metals (Cd, Cu, Fe, Zn, Hg and Cr). Conversely, AChE inhibition was not related to a specific metal, but highest inhibitions (>50%) were present in those sites with intensive agricultural practices. These results determined that, based on its physiological response and trace metal bioaccumulation, Astyanax aeneus can be considered a good bioindicator for evaluating the presence of trace metals in tropical aquatic systems of the Yucatan Peninsula.
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Affiliation(s)
- Demián Hinojosa-Garro
- Laboratorio en Ecología Acuática y Monitoreo Ambiental, CEDESU, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico
| | - Jaime Rendón-von Osten
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico
| | - Ricardo Dzul-Caamal
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico.
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Pilehvar A, Cordery KI, Town RM, Blust R. The synergistic toxicity of Cd(II) and Cu(II) to zebrafish (Danio rerio): Effect of water hardness. CHEMOSPHERE 2020; 247:125942. [PMID: 32069721 DOI: 10.1016/j.chemosphere.2020.125942] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
We have evaluated the interactive toxicity of Cu(II) and Cd(II) in water with different hardness levels using adult zebrafish (Danio rerio). Zebrafish were exposed to Cd(II) (0.2-22 μM) or Cu(II) (0.1-8 μM) in single or binary exposures in very soft, moderately hard or very hard water. The whole body burdens of Cd(II) and Cu(II) reflect the net effect of biouptake and elimination, mortality was the indicator of toxicity, and whole body major ion content was measured to assess ion regulatory functions. Cu(II) was found to be more toxic than Cd(II) for zebrafish, and Cu(II) and Cd(II) exhibited a significant synergistic effect. The toxicity of metal ions increased upon decreasing the ionic strength of the exposure medium, probably due to elevated competition between metal ions with other cations in hard water and increased activity of Ca2+ pathways in soft water treatments. Whole body metal accumulation and the accumulation rate of both Cu and Cd increased as the metal ion concentration in the exposure medium increased. Nevertheless, neither parameter explained the observed synergistic effect on mortality. Finally, we observed a significant loss of whole body Na+ in fish which died during the metal exposure compared to surviving fish, irrespective of exposure conditions. Such an effect was not observed for other major cations (K+, Ca2+ and Mg2+). This observation suggests that, under the applied exposure conditions, survival was correlated to the capacity of the organism to maintain Na+ homeostasis.
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Affiliation(s)
- Ali Pilehvar
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
| | - Katherine I Cordery
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Raewyn M Town
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
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Testing the Use of Standardized Laboratory Tests to Infer Hg Bioaccumulation in Indigenous Benthic Organisms of Lake Maggiore (NW Italy). APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10061970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The chronic toxicity of mercury essentially derives from its strong tendency to biomagnify along food webs. For this reason, the European regulatory framework establishes an environmental quality standard for Hg based on the total Hg concentration in prey fish to protect top predators. A considerable part of the Hg burden of prey fish can come from the ingestion of benthic organisms that, in the presence of contaminated sediments, may remobilize substantial amounts of Hg towards the pelagic food webs. The present study evaluated whether Hg accumulation in assemblages of indigenous chironomids and oligochaetes could be predicted using standardized laboratory bioaccumulation tests with Chironomus riparius and Lumbriculus variegatus. Indigenous chironomids and oligochaetes were recovered at different sites in a lake suffering from legacy Hg pollution and analyzed for total Hg content. Sediment aliquots from the same sites were used to assess Hg bioaccumulation using laboratory-reared C. riparius and L. variegatus. Mercury concentrations in indigenous versus laboratory organisms showed a good correlation (p < 0.05; Spearman correlation test) only in the case of C. riparius versus indigenous chironomids, suggesting the possibility of using linear regressions to predict Hg accumulation by these benthic invertebrates. Further research needs and caveats as to the applicability of the present results to other aquatic systems are identified and discussed.
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Adams W, Blust R, Dwyer R, Mount D, Nordheim E, Rodriguez PH, Spry D. Bioavailability Assessment of Metals in Freshwater Environments: A Historical Review. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:48-59. [PMID: 31880839 DOI: 10.1002/etc.4558] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/02/2019] [Accepted: 05/21/2019] [Indexed: 05/25/2023]
Abstract
Many metals (aluminum, cadmium, cobalt, copper, nickel, lead, zinc) are widely studied environmental contaminants because of their ubiquity, potential toxicity to aquatic life, and tendency for toxicity to vary widely as a function of water chemistry. The interactions between metal and water chemistry influence metal "bioavailability," an index of the rate and extent to which the metal reaches the site of toxic action. The implications of metal bioavailability for ecological risk assessment are large, with as much as a 100-fold variability across a range of water chemistries in surface waters. Beginning as early as the 1930s, considerable research effort was expended toward documenting and understanding metal bioavailability as a function of total and dissolved metal, water hardness, natural organic matter, pH, and other water characteristics. The understanding of these factors and improvements in both analytical and computational chemistry led to the development of modeling approaches intended to describe and predict the relationship between water chemistry and metal toxicity, including the free ion activity model, the gill surface interaction model, the biotic ligand model, and additional derivatives and regression models that arose from similar knowledge. The arc of these scientific advances can also be traced through the evolution of the US Environmental Protection Agency's ambient water quality criteria over the last 50 yr, from guidance in the "Green Book" (1968) to metal-specific criteria produced in the last decade. Through time, water quality criteria in many jurisdictions have incorporated increasingly sophisticated means of addressing metal bioavailability. The present review discusses the history of scientific understanding of metal bioavailability and the development and application of models to incorporate this knowledge into regulatory practice. Environ Toxicol Chem 2019;39:48-59. © 2019 SETAC.
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Affiliation(s)
| | | | - Robert Dwyer
- Robert Dwyer, International Copper Association, Cape Cod, Massachusetts, USA
| | - David Mount
- Mid-Continent Ecology Laboratory, US Environmental Protection Agency, Duluth, Minnesota, USA
| | | | | | - Doug Spry
- Environment and Climate Change Canada, Gatineau, Quebec, Canada
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Jones JI, Murphy JF, Collins AL, Spencer KL, Rainbow PS, Arnold A, Pretty JL, Moorhouse AML, Aguilera V, Edwards P, Parsonage F, Potter H, Whitehouse P. The Impact of Metal-Rich Sediments Derived from Mining on Freshwater Stream Life. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 248:111-189. [PMID: 30671689 DOI: 10.1007/398_2018_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Metal-rich sediments have the potential to impair life in freshwater streams and rivers and, thereby, to inhibit recovery of ecological conditions after any remediation of mine water discharges. Sediments remain metal-rich over long time periods and have long-term potential ecotoxicological interactions with local biota, unless the sediments themselves are physically removed or replaced by less metal-rich sediment. Laboratory-derived environmental quality standards are difficult to apply to the field situation, as many complicating factors exist in the real world. Therefore, there is a strong case to consider other, field-relevant, measures of toxic effects as alternatives to laboratory-derived standards and to seek better biological tools to detect, diagnose and ideally predict community-level ecotoxicological impairment. Hence, this review concentrated on field measures of toxic effects of metal-rich sediment in freshwater streams, with less emphasis on laboratory-based toxicity testing approaches. To this end, this review provides an overview of the impact of metal-rich sediments on freshwater stream life, focusing on biological impacts linked to metal contamination.
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Shekh K, Alcaraz AJ, Hecker M, Niyogi S. Sensitivity of white sturgeon and rainbow trout to waterborne copper exposure: A comparative study of copper-induced disruption of sodium homeostasis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 215:105283. [PMID: 31470336 DOI: 10.1016/j.aquatox.2019.105283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/18/2019] [Accepted: 08/20/2019] [Indexed: 06/10/2023]
Abstract
Recent studies have demonstrated that white sturgeon are more sensitive to acute exposure to Cu than rainbow trout (Oncorhynchus mykiss), especially during early life-stages. However, the physiological mechanisms underlying this difference in sensitivity to Cu is not known. In the present study, we first confirmed the higher sensitivity (lower 96 h LC50 values) of white sturgeon to Cu at three different life stages (larva, swim-up, and juvenile) relative to their counterparts in rainbow trout. We also demonstrated that acute exposure to Cu (50 μg/L for 4.5 h) caused a significantly greater reduction in the rate of waterborne Na uptake in white sturgeon relative to that in rainbow trout across all three life-stages. In agreement with this observation, we also found that acute exposure to Cu (20 μg/L for 48 h) elicits a significantly greater decrease in whole body Na level in all life stages of white sturgeon compared to rainbow trout. In contrast, white sturgeon demonstrated a higher or similar level of Cu body burden relative to rainbow trout during acute Cu exposure (20 μg/L for 24 h), thereby indicating that Cu bioaccumulation is not a good indicator of its toxicity in these species. Overall, our study demonstrated that the differences in sensitivity to acute Cu exposure between white sturgeon and rainbow trout can be explained on the basis of differential effects of Cu on Na homeostasis.
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Affiliation(s)
- Kamran Shekh
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada.
| | - Alper James Alcaraz
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada; School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK, S7N 5C8, Canada
| | - Som Niyogi
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK, S7N 5B3, Canada; Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
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Wang WX, Tan QG. Applications of dynamic models in predicting the bioaccumulation, transport and toxicity of trace metals in aquatic organisms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 252:1561-1573. [PMID: 31277025 DOI: 10.1016/j.envpol.2019.06.043] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 06/08/2019] [Accepted: 06/11/2019] [Indexed: 06/09/2023]
Abstract
This review evaluates the three dynamic models (biokinetic model: BK, physiologically based pharmacokinetic model: PBPK, and toxicokinetic-toxicodynamic model: TKTD) in our understanding of the key questions in metal ecotoxicology in aquatic systems, i.e., bioaccumulation, transport and toxicity. All the models rely on the first-order kinetics principle of metal uptake and elimination. The BK model basically treats organisms as a single compartment, and is both physiologically and geochemically based. With a good understanding of each kinetic parameter, bioaccumulation of metals in any aquatic organisms can be studied holistically and mechanistically. Modeling efforts are not merely restrained from the prediction of metal accumulation in the tissues, but instead provide the direction of the key processes that need to be addressed. PBPK is more physiologically based since it mainly addresses the transportation, transformation and distribution of metals in the organisms. It can be treated conceptually as a multi-compartmental kinetic model, whereas the physiology is driving the development of any good PBPK model which is no generic for aquatic animals and contaminants. There are now increasingly applications of the PBPK modeling specifically in metal studies, which reveal many important processes that are impossible to be teased out by direct experimental measurements without adequate modeling. TKTD models further focus on metal toxicity in addition to metal bioaccumulation. The TK part links exposure and bioaccumulation, while the TD part links bioaccumulation and toxic effects. The separation of TK and TD makes it possible to model processes, e.g., toxicity modification by environmental factors, interaction between different metals, at both the toxicokinetic and toxicodynamic levels. TKTD models provide a framework for making full use of metal toxicity data, and thus provide more information for environmental risk assessments. Overall, the three models reviewed here will continue to provide guiding principles in our further studies of metal bioaccumulation and toxicity in aquatic organisms.
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Affiliation(s)
- Wen-Xiong Wang
- Department of Ocean Science, The Hong Kong University of Science and Technology (HKUST), Clearwater Bay, Kowloon, Hong Kong; HKUST Shenzhen Research Institute, Shenzhen, 518057, China.
| | - Qiao-Guo Tan
- Center for Marine Environmental Chemistry and Toxicology, Key Laboratory of the Coastal and Wetland Ecosystems of Ministry of Education, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, 361102, China
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Tipping E, Stockdale A, Lofts S. Systematic analysis of freshwater metal toxicity with WHAM-F TOX. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 212:128-137. [PMID: 31103734 DOI: 10.1016/j.aquatox.2019.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 04/14/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
We used the WHAM chemical speciation model and the WHAM-FTOX toxicity model to analyse the published results of laboratory toxicity experiments covering 52 different freshwater biological test species and 24 different metals, a total of 2037 determinations of EC50 with accompanying data on solution composition. The key extracted parameter was αM, the parameter in WHAM-FTOX that characterises the toxic potency of a metal on the basis of its estimated metabolically active body burden. For 16 data sets applying to metal-test species pairs with appreciable variations in solution composition, values of EC50 back-calculated from averaged values of αM showed significantly (p < 0.001) less deviation from the measured EC50 values than did the simple average EC50, confirming that the modelling calculations could account for some of the dependence of toxicity on chemical speciation. Data for different exposure times permitted a simple parameterisation of temporal effects, enabling values of αM,max (values at infinite exposure time) to be obtained, and the effects of different exposure times to be factored out for further analysis. Comparison of averaged values of αM,max for different metals showed little difference among major taxa (invertebrates, plants, and vertebrates). For Cd, Cu, Ni and Zn (the four metals with most data) there were significant differences among αM,max values for different species, but within-species variabilities were greater. Reasonably similar species sensitivity distributions of standardised αM,max applied to Cd, Cu, Ni and Zn. The average values, over all species, of αM,max increased in the order Al < lanthanides < Zn ∼ UO2 < Ni ∼ Cu < Pb < Cd < Ag. Considering all the αM,max values, there was a strong dependence (r2 = 0.56, p < 0.001) on Pearson's hardness-softness categories, and a slightly stronger relationship (r2 = 0.59) if ionic radius was included in the statistical model, indicating that softer, larger cations are the most effective toxicants.
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Affiliation(s)
- E Tipping
- Centre for Ecology & Hydrology, Lancaster Environment Centre, Lancaster, LA1 4AP, United Kingdom.
| | - A Stockdale
- School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - S Lofts
- Centre for Ecology & Hydrology, Lancaster Environment Centre, Lancaster, LA1 4AP, United Kingdom
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Lécrivain N, Frossard V, Clément B. Contribution of trace metallic elements to weakly contaminated lacustrine sediments: effects on benthic and pelagic organisms through multi-species laboratory bioassays. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:154-166. [PMID: 30734194 DOI: 10.1007/s10646-018-2008-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/04/2018] [Indexed: 06/09/2023]
Abstract
Surficial sediments exhibit higher levels of contamination than overlying water, especially from persistent contaminants such as trace metallic elements (TMEs). While sediments could in turn act as sources of contamination for the water column, their ecotoxicology is yet rarely assessed in a multi-compartments perspective. This study aims at assessing the response of benthic and pelagic organisms exposed to weakly contaminated sediments using a multi-species laboratory assay by focusing on TMEs (Cd, Cr, Cu, Ni, Pb, and Zn) contamination. Chironomus riparius larvae, Daphnia magna, and Lemna minor were simultaneously exposed for 10 days to six sediments sampled from the littoral of a large French lake (Lake Bourget). The endpoints consisted in the survival and growth rates and the bioconcentration factor (BCF). Significant negative relationships between sediment TME concentrations and survival rates of C. riparius and growth rates of C. riparius and D. magna suggested that both benthic and pelagic macro-invertebrates were impacted by sediment contamination, which was not observed in L. minor. Significant relationships of the sediment with the internal TME concentrations were positive while negative with the BCFs, suggesting an increase in biological regulation processes in all organisms with the increase of sediment TME concentrations. These results underline the importance of including both benthic and pelagic organisms in ecotoxicological assessment of low contaminated sediments and the relevance of the relationship BCFs/sediment contamination as prior biomarkers than higher life history traits.
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Affiliation(s)
- Nathalie Lécrivain
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR5023 LEHNA, Vaulx-en-Velin, F-69518, Lyon, France.
| | - Victor Frossard
- Université Savoie Mont-Blanc, UMR 42 CARRTEL, Le Bourget du Lac, 73376, Chambéry, France
| | - Bernard Clément
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR5023 LEHNA, Vaulx-en-Velin, F-69518, Lyon, France
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Ali S, Hussain S, Khan R, Mumtaz S, Ashraf N, Andleeb S, Shakir HA, Tahir HM, Khan MKA, Ulhaq M. Renal toxicity of heavy metals (cadmium and mercury) and their amelioration with ascorbic acid in rabbits. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:3909-3920. [PMID: 30547340 DOI: 10.1007/s11356-018-3819-8] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 11/21/2018] [Indexed: 06/09/2023]
Abstract
Cadmium and mercury are among the most toxic and dangerous environmental pollutants that may cause fatal implications. Vitamin C is an important chain-breaking antioxidant and enzyme co-factor against heavy metals. The objective of the present study was to evaluate the toxicological effects of cadmium chloride, mercuric chloride, and their co-administration on biochemical parameters of blood serum and metal bioaccumulation in kidneys and also to elucidate the protective effect of vitamin C in rabbits against these metals. In the current research, cadmium chloride (1.5 mg/kg), mercuric chloride(1.2 mg/kg), and vitamin C (150 mg/kg of body weight) were orally administered to eight treatment groups of the rabbits (1, control; 2, vitamin; 3, CdCl2; 4, HgCl2; 5, vitamin + CdCl2; 6, vitamin + HgCl2; 7, CdCl2 + HgCl2, and 8, vitamin + CdCl2 + HgCl2). After the biometric measurements of all experimental rabbits, biochemical parameters viz. creatinine, cystatin C, uric acid, and alkaline phosphatase (ALP) and metal bioaccumulation were determined using commercially available kits and atomic absorption spectrophotometer, respectively. The levels of creatinine (28.3 ± 1.1 μmol/l), cystatin C (1932.5 ± 38.5 ηg/ml), uric acid (4.8 ± 0.1 mg/day), and ALP (51.6 ± 1.1 IU/l) were significantly (P < 0.05) increased due to administration of mercuric chloride but in the presence of vitamin C, the effects of mercuric chloride on creatinine (21.9 ± 1.4 μmol/l), cystatin C (1676.2 ± 42.2 ηg/ml), uric acid (3.9 ± 0.1 mg/day), and ALP (43.3 ± 0.8 IU/l) were less as compared to metal-exposed specimens. Similar results were found in rabbits treated with cadmium chloride and vitamin C and also with co-administration of both metals and vitamin C. Because of the bio-accumulative nature of cadmium chloride and mercuric chloride, these metals were accumulated in kidneys of rabbits, which might lead to deleterious effects. The results of the present study provide an insight into the toxicity of the cadmium chloride, mercuric chloride, and/or their combination on biochemical parameters as well as kidneys of the rabbits and the ameliorating potential of vitamin C against these metals is also evaluated.
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Affiliation(s)
- Shaukat Ali
- Department of Zoology, Government College University, Lahore, Pakistan.
| | - Sidra Hussain
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Rida Khan
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Shumaila Mumtaz
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Nasra Ashraf
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Saiqa Andleeb
- Department of Zoology, University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | | | | | | | - Mazhar Ulhaq
- Department of Veterinary Biomedical Sciences, PMAS Arid Agriculture University, Rawalpindi, PK-46300, Pakistan
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Crémazy A, Brix KV, Wood CM. Using the Biotic Ligand Model framework to investigate binary metal interactions on the uptake of Ag, Cd, Cu, Ni, Pb and Zn in the freshwater snail Lymnaea stagnalis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 647:1611-1625. [PMID: 30180365 DOI: 10.1016/j.scitotenv.2018.07.455] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 06/08/2023]
Abstract
There is growing interest in the development of mechanistically-based models, such as the Biotic Ligand Model (BLM), for assessing the environmental risk of metal mixtures. However, the derivation of such models requires insights into the mechanisms of multimetal interactions that are often lacking for aquatic organisms. In the present study, we investigated how binary mixtures of six metals (Ag, Cd, Cu, Ni, Pb and Zn) interact for uptake in the great pond snail Lymnaea stagnalis, a freshwater species particularly sensitive to metals in chronic exposure. For each metal, short-term (2-3 h) uptake experiments on juvenile snails were performed with the metal alone and in combination with a second metal, at concentrations encompassing the chronic toxicity concentration range. These experiments showed significant binary metal interactions for 7 out of 15 mixtures. Most interactions were inhibitory in nature, not reciprocal and caused by either Ag or Cu. They led to relative changes of uptake that did not exceed 50% within the range of metal chronic toxicity. The BLM proved to be successful at explaining most of the interactions, via competitive inhibition. This study is in support of using bioavailability-based models, such as the BLM, to model metal mixture interactions in L. stagnalis.
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Affiliation(s)
- Anne Crémazy
- Department of Zoology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | | | - Chris M Wood
- Department of Zoology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
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Max Blanc J, Molinet C, Díaz PA, Subiabre R, Salamanca M, Duemler J. Drastic difference in cadmium concentration in mussels (Mytilus chilensis) observed between seasons in natural bed and aquaculture systems in Chile. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:53. [PMID: 30617928 DOI: 10.1007/s10661-018-7169-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
Globally, Chile is the second largest producer of mussels, with 99% of production concentrated in the inland sea of the Los Lagos Region, Southern Chile. This study reveals that seasons produce a drastic difference in the cadmium concentration (Cd) in marine mussels in bay, channel, and fjord ecosystems in this area. As the global mussel industry continues its rapid expansion, a complete understanding of cadmium pathways is critical in order to minimize the cadmium content in harvests. In this study, biweekly sampling was conducted in Chiloé (Southern Chile), during five consecutive seasons from June 2014 to November 2015. Cadmium in the soft tissues (ST) and in the content of the digestive gland (CDG) of Mytilus chilensis were investigated, in addition to resuspensions and seston to determine the effect of the seasons on metal bioassimilation capacity. In spring, the (Cd) between CDG and ST varied by approximately 2 mg Cd kg-1 dry mass (DM). In summer and autumn, the (Cd) in CDG increased from 3 to 6 mg Cd kg-1 while the (Cd) in ST decreased from 2.5 to 1.5 mg Cd kg-1 DM. The three ecosystems showed the same cadmium bioconcentration trends in all seasons, revealing coherent global trends. These findings should caution the industry and coastal populations about the seasonal variability and intensity of cadmium metal transfer to biofilters, especially because of the adverse effects of cadmium consumption on human health. Additionally, this study found that mussels in natural beds concentrate more Cd (> 1 mg Cd kg-1 DM) than in industrial facilities. Multiregression analysis showed and explained the cadmium in CDG for three ecosystems: channel (R2 0.9537), bay (R2 0.5962), and fjord (R2 0.4009). The independent variable nocturnal seston was able to explain the increase in cadmium.
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Affiliation(s)
- J Max Blanc
- Programa de Doctorado en Ciencias de la Acuicultura, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile.
| | - Carlos Molinet
- Programa de Investigación Pesquera and Instituto de Acuicultura, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile
| | - Patricio A Díaz
- Centro i~mar and CeBiB, Universidad de Los Lagos, Casilla 557, Puerto Montt, Chile
| | - Ricardo Subiabre
- Centro de Docencia Superior en Ciencias Básicas, Universidad Austral de Chile, Los Pinos s/n, Balneario Pelluco, Puerto Montt, Chile
| | - Marco Salamanca
- Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Cabina 5, Barrio Universitario S/N Casilla 160-c, Concepción, Chile
| | - Jaclyn Duemler
- Project CORFO INNOVA, COD. 17ITE1-76255, Santiago, Chile
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44
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Moyson S, Town RM, Joosen S, Husson SJ, Blust R. The interplay between chemical speciation and physiology determines the bioaccumulation and toxicity of Cu(II) and Cd(II) toCaenorhabditis elegans. J Appl Toxicol 2018; 39:282-293. [DOI: 10.1002/jat.3718] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 07/31/2018] [Accepted: 07/31/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Sofie Moyson
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology; University of Antwerp; Groenenborgerlaan 171 BE-2020 Antwerp Belgium
| | - Raewyn M. Town
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology; University of Antwerp; Groenenborgerlaan 171 BE-2020 Antwerp Belgium
| | - Steven Joosen
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology; University of Antwerp; Groenenborgerlaan 171 BE-2020 Antwerp Belgium
| | - Steven J. Husson
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology; University of Antwerp; Groenenborgerlaan 171 BE-2020 Antwerp Belgium
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology; University of Antwerp; Groenenborgerlaan 171 BE-2020 Antwerp Belgium
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45
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Cytosolic Distribution of Metals (Cd, Cu) and Metalloids (As, Se) in Livers and Gonads of Field-Collected Fish Exposed to an Environmental Contamination Gradient: An SEC-ICP-MS Analysis. ENVIRONMENTS 2018. [DOI: 10.3390/environments5090102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The distribution of As, Cd, Cu and Se among biomolecules of different molecular weight (MW) in the heat-treated cytosolic fraction of livers and gonads of white suckers (WS; Catostomus commersonii) collected in a reference lake and in a lake subject to multi-metal contamination was investigated. Distribution profiles were obtained by separation of the heat-stable protein and peptide (HSP) fractions using size-exclusion high performance-liquid chromatography, coupled online to an inductively coupled plasma mass spectrometer, to quantify the associated metals. Metal-handling strategies did not vary between the reference and exposed fish, with the exception of As. Cadmium and Cu appeared associated with the heat-stable peptides metallothioneins (MTs), indicating their reasonable detoxification and regulation in WS. In contrast, Se and As were not bound to MTs, but rather, to biomolecules of lower MW (<2 kDa). Arsenic was found associated with the same biomolecules in fish from both lakes, but their proportions changed between reference and exposed fish. For future work, the identification of the Se and As binding biomolecules would be of great interest to determine if these metalloids are detoxified or if, conversely, the biomolecules are metal-sensitive and their binding to Se or As represents a threat for the health of these fish.
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Urien N, Cooper S, Caron A, Sonnenberg H, Rozon-Ramilo L, Campbell PGC, Couture P. Subcellular partitioning of metals and metalloids (As, Cd, Cu, Se and Zn) in liver and gonads of wild white suckers (Catostomus commersonii) collected downstream from a mining operation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 202:105-116. [PMID: 30014986 DOI: 10.1016/j.aquatox.2018.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/27/2018] [Accepted: 07/01/2018] [Indexed: 06/08/2023]
Abstract
In the present study, we examined the subcellular distribution of metals and metalloids (As, Cd, Cu, Se and Zn) in the liver and gonads of wild white suckers (Catostomus commersonii) collected downstream from a metal mining operation (exposure area) and in a reference area. Metal partitioning among potentially metal-sensitive fractions (heat-denatured proteins (HDP), mitochondria and microsomes) and potentially biologically detoxified fractions (heat-stable proteins (HSP) and metal-rich granules) within cells was determined after differential centrifugation, NaOH digestion and heat-denaturation steps. Metal-handling strategies between liver and gonads, and between sexes, were examined. Hepatic metal concentrations were significantly higher in exposed compared to reference fish, especially for Se (14x), Cd (5x) and Cu (3x), and did not vary between sexes. In contrast, gonadal Cd, Cu, Se and Zn concentrations were consistently lower in testes than in ovaries; marked differences in Cd and Se concentrations between exposed and reference fish were observed for both sexes. Overall, metal-handling strategies were similar in both liver (male and female pooled) and female gonads, but differed from those in male gonads, likely due to the different functions assigned to ovaries and testes. Subcellular partitioning of As, Cd and Cu showed that the HSP fraction was most responsive to increased metal exposure, presumably reflecting Cu regulation, and possibly Cd and As detoxification. Zinc concentrations were tightly controlled and mainly found in the HDP fraction. Interestingly, changes in Cd-handling strategy in female gonads were particularly evident, with Cd shifting dramatically from the metal-sensitive HDP fraction in reference fish to the metal-detoxified HSP fraction in exposed fish. It seems that Cd detoxification in female gonads was not fully induced in the less contaminated fish, but became more effective above a threshold Cd concentration of 0.05 nmol/g dry weight. Partitioning of Se was different, with the largest contributor to the total liver and gonad Se burdens being the putative metal-sensitive HDP fraction, suggesting that excess Se in this fraction in exposed fish may lead to Se-related stress. The present subcellular partitioning results demonstrate that metal handling strategies vary among metals, between organs and (in some cases) as a function of metal exposure. They also show promise in identifying metals of potential concern in a risk assessment context.
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Affiliation(s)
- Nastassia Urien
- Institut national de la recherche scientifique, Centre Eau Terre Environnement (INRS-ETE), 490 de la Couronne, Québec, QC, G1K 9A9, Canada
| | - Sophie Cooper
- Institut national de la recherche scientifique, Centre Eau Terre Environnement (INRS-ETE), 490 de la Couronne, Québec, QC, G1K 9A9, Canada
| | - Antoine Caron
- Institut national de la recherche scientifique, Centre Eau Terre Environnement (INRS-ETE), 490 de la Couronne, Québec, QC, G1K 9A9, Canada; Département des Sciences Biologiques, Université de Montréal, C.P. 6128, Montréal, QC, H3C 3J7, Canada
| | | | | | - Peter G C Campbell
- Institut national de la recherche scientifique, Centre Eau Terre Environnement (INRS-ETE), 490 de la Couronne, Québec, QC, G1K 9A9, Canada
| | - Patrice Couture
- Institut national de la recherche scientifique, Centre Eau Terre Environnement (INRS-ETE), 490 de la Couronne, Québec, QC, G1K 9A9, Canada.
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47
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Goulet RR, Thompson P. Bioaccumulation and toxicity of uranium, arsenic, and nickel to juvenile and adult Hyalella azteca in spiked sediment bioassays. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:2340-2349. [PMID: 29802730 DOI: 10.1002/etc.4179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/17/2017] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
Uranium (U) mining and milling release arsenic (As), nickel (Ni) and U to receiving waters, which accumulate in sediments. The objective of the present study was to investigate if As, Ni, and U concentrations in tissue residue of Hyalella azteca, overlying water, sediment porewater, and solids could predict juvenile and adult survival and growth in conditions similar to lake sediments downstream of U mines and mills. We conducted 14-d static sediment toxicity tests spiked with U, As, and Ni salts. For U, we spiked uranyl nitrate with sodium bicarbonate to limit U precipitation once in contact with circumneutral sediment. The median lethal concentrations for As, Ni, and U of juveniles and adults based on measured concentrations in sediments were 134 and 165 μg/g, 370 and 787 μg/g, and 48 and 214 μg/g, respectively. Adult survival and growth linearly decreased with increasing bioaccumulation. For juveniles, metal accumulation linearly predicted survival. We calculated median lethal body concentrations for juveniles and adults of 5 and 36 μg As/g, 14 and 49 μg Ni/g, and 0.4 and 1.0 μg U/g. The concentrations of As, Ni, and U in tissue residue leading to a 20% decrease in adult growth were 32 μg As/g, 44 μg Ni/g, and 1 μg U/g. Overall, the present study showed that U was the most toxic element, followed by As and Ni; that juveniles were more sensitive to the 3 metals tested than adults; and that threshold body concentrations can support assessment of benthic invertebrate community impairment. Environ Toxicol Chem 2018;37:2340-2349. © 2018 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC.
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Affiliation(s)
- Richard R Goulet
- Canadian Nuclear Safety Commission, 280 Slater, Ottawa Ontario, Canada, K1A0H3
- Department of Earth Sciences, University of Ottawa, 140 Louis Pasteur, Ottawa Ontario, Canada, K1S5N6
| | - Patsy Thompson
- Canadian Nuclear Safety Commission, 280 Slater, Ottawa Ontario, Canada, K1A0H3
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48
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Nourouzi MM, Chamani A, Shirani M, Malekpouri P, Chuah AL. Effect of Cd and Pb Pollutions on Physiological Growth: Wavelet Neural Network (WNN) as a New Approach on Age Determination of Coenobita scaevola. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2018; 101:320-325. [PMID: 30030595 DOI: 10.1007/s00128-018-2401-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 07/17/2018] [Indexed: 06/08/2023]
Abstract
Environmental pollution of aquatic ecosystems leads to an interference in several fundamental biochemical and physiological functions. In this study the interference of Cd and Pb pollutions on the physiological growth and subsequently on the age determination was investigated. The hermit crab, Coenobita scaevola (C.s) was selected as a bioaccumulator in this study. The direct and indirect age determination methods were carried out using annual band counts and carapace length, respectively. The results showed that, there was very low correlation (R2 < 0.5) between direct and indirect age determination. Wavelet Neural Network (WNN) was applied to take into account the environmental effects such as the accumulation of Cd and Pb elements in the C.s' tissues. It was observed that WNN successfully enhanced the growth rate model and estimated the C.s' age (R2 > 0.95). In addition, it was concluded that the environmental pollution had interaction with the growth physiology such as weight and length.
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Affiliation(s)
- M Mohsen Nourouzi
- Environmental Science Department, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Atefeh Chamani
- Environmental Science Department, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran.
| | - Mina Shirani
- Environmental Science Department, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Pedram Malekpouri
- Young Researchers and Elites Club, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - A Luqman Chuah
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400, Serdang, Selangor D.E., Malaysia
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49
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Caron A, Rosabal M, Drevet O, Couture P, Campbell PGC. Binding of trace elements (Ag, Cd, Co, Cu, Ni, and Tl) to cytosolic biomolecules in livers of juvenile yellow perch (Perca flavescens) collected from lakes representing metal contamination gradients. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:576-586. [PMID: 28984389 DOI: 10.1002/etc.3998] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/05/2017] [Accepted: 10/03/2017] [Indexed: 06/07/2023]
Abstract
Biomolecules involved in handling cytosolic metals in the liver of the yellow perch (Perca flavescens) were characterized in juvenile fish collected from 4 lakes constituting metal contamination gradients. Using size-exclusion liquid chromatography coupled to an inductively coupled mass spectrometer, we determined metal distributions among ligands of different molecular weights in the cytosol, before and after a heat denaturation step designed to isolate metallothionein-like peptides and proteins. Silver, Cd, and Cu found in the heat-stable protein supernatants were indeed largely present as metallothionein-like peptide complexes; but Co, Ni, and Tl, also present in the heat-stable protein supernatants, did not coelute with metallothionein-like peptides and proteins. This difference in metal partitioning is consistent with the known preference of "soft" metals such as Ag, Cd, and Cu(I) for thiolated ligands and the contrasting tendency of Co and Ni to bind to ligands with oxygen and nitrogen as donor atoms. Metal handling in the whole cytosol also reflected these differences in metal-binding behavior. For Cd and Cu, the importance of the molecular weight pool that includes metallothionein-like peptides and proteins increased relative to the other pools as the total cytosolic metal concentration ([M]cytosol ) increased, consistent with a concentration-dependent detoxification response. In contrast, for Ni and Tl the increase in [M]cytosol was accompanied by a marked increase in the high-molecular weight (670-33 kDa) pool, suggesting that hepatic Ni and Tl are not effectively detoxified. Overall, the results suggest that metal detoxification is less effective for Ni, Tl, and Co than for Ag, Cd, and Cu. Environ Toxicol Chem 2018;37:576-586. © 2017 SETAC.
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Affiliation(s)
- Antoine Caron
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Quebec City, Quebec, Canada
| | - Maikel Rosabal
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Quebec City, Quebec, Canada
- Département des sciences biologiques, Université du Québec à Montréal (UQAM), Montréal, Quebec, Canada
| | - Ophélie Drevet
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Quebec City, Quebec, Canada
- Comité ZIP des Seigneuries, Saint-Sulpice, Quebec, Canada
| | - Patrice Couture
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Quebec City, Quebec, Canada
| | - Peter G C Campbell
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Quebec City, Quebec, Canada
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50
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Wanty RB, Balistrieri LS, Wesner JS, Walters DM, Schmidt TS, Stricker CA, Kraus JM, Wolf RE. In vivo isotopic fractionation of zinc and biodynamic modeling yield insights into detoxification mechanisms in the mayfly Neocloeon triangulifer. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 609:1219-1229. [PMID: 28787796 DOI: 10.1016/j.scitotenv.2017.07.269] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 07/24/2017] [Accepted: 07/30/2017] [Indexed: 06/07/2023]
Abstract
Diversity and biomass of aquatic insects decline in metal-rich aquatic environments, but the mechanisms by which insects from such environments cope with potentially toxic metal concentrations to survive through adulthood are less well understood. In this study, we measured Zn concentrations and isotopes in laboratory-reared diatoms and mayflies (Neocloeon triangulifer) from larval through adult stages. The larvae were fed Zn-enriched diatoms, and bio-concentrated Zn by a factor of 2.5-5 relative to the diatoms but maintained the same Zn-isotopic ratio. These results reflect the importance of dietary uptake and the greater rate of uptake relative to excretion or growth. Upon metamorphosis to subimago, Zn concentrations declined by >70%, but isotopically heavy Zn remained in the subimago bodies. We surmised that the loss of isotopically light Zn during metamorphosis was due to the loss of detoxified Zn and retention of metabolically useful Zn. Through the transition from subimago to imago, Zn concentrations and isotope ratios were virtually unchanged. Because the decrease in Zn body concentration and increase in heavier Zn are seen in the subimagos relative to the larvae, the compartmentalization of Zn must be occurring within the larvae. A biodynamic model was constructed, allowing for isotopic fractionation and partitioning of Zn between metabolically essential and detoxified Zn reservoirs within larvae. The model provides a consistent set of rate and fractionation constants that successfully describe the experimental observations. Specifically, metabolically essential Zn is isotopically heavier and is tightly held once assimilated, and excess, isotopically light Zn is sequestered, detoxified, and ultimately lost during the metamorphosis of larvae to subimagos. To our knowledge, this is the first documentation of in vivo isotopic fractionation in insects, offering an improved understanding of the mechanisms and rates by which the N. triangulifer larvae regulate excess Zn in their bodies.
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Affiliation(s)
- Richard B Wanty
- U.S. Geological Survey, MS 963 Denver Federal Center, Denver, CO 80225, USA.
| | - Laurie S Balistrieri
- U.S. Geological Survey, School of Oceanography, University of Washington, Seattle, WA 98195, USA
| | - Jeff S Wesner
- Department of Biology, University of South Dakota, Vermillion, SD 57069, USA
| | - David M Walters
- U.S. Geological Survey, Fort Collins Science Center, 2150 Centre Ave, Fort Collins, CO 80526, USA
| | - Travis S Schmidt
- U.S. Geological Survey, Colorado Water Science Center, Denver Federal Center, Denver, CO 80225, USA
| | - Craig A Stricker
- U.S. Geological Survey, Fort Collins Science Center, 2150 Centre Ave, Fort Collins, CO 80526, USA
| | - Johanna M Kraus
- U.S. Geological Survey, Fort Collins Science Center, 2150 Centre Ave, Fort Collins, CO 80526, USA
| | - Ruth E Wolf
- U.S. Geological Survey, MS 963 Denver Federal Center, Denver, CO 80225, USA
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