Development of biotic ligand models for chronic manganese toxicity to fish, invertebrates, and algae

Peters, Adam; Lofts, Stephen; Merrington, Graham; Brown, Bruce; Stubblefield, William A.; Harlow, Keven

doi:10.1002/etc.643

Cited by 36 publications

(32 citation statements)

References 22 publications

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“…These toxicity tests were conducted at 25 °C in a natural soft water (hardness = 12 mg L –1 CaCO 3 , Ca = 4 mg L –1 ) with a pH of 6.7 and 12 mg L –1 DOC. Although the DOC was 4 times higher than that in Magela Creek water (typically <3 mg L –1 ; Supplemental Data, Table S1), DOC has been reported to have less influence on Mn toxicity compared with other physicochemical parameters .…”

Section: Methodsmentioning

confidence: 97%

Manganese toxicity to tropical freshwater species in low hardness water

Harford¹,

Mooney²,

Trenfield³

et al. 2015

Enviro Toxic and Chemistry

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Elevated manganese (Mn) is a common contaminant issue for mine water discharges, and previous studies have reported that its toxicity is ameliorated by H(+), Ca(2+), and Mg(2+) ions. In the present study, the toxicity of Mn was assessed in a high risk scenario, that is, the slightly acidic, soft waters of Magela Creek, Kakadu National Park, Northern Territory, Australia. Toxicity estimates were derived for 6 tropical freshwater species (Chlorella sp., Lemna aequinoctialis, Amerianna cumingi, Moinodaphnia macleayi, Hydra viridissima, and Mogurnda mogurnda). Low effect chronic inhibition concentration (IC10) and acute lethal concentration (LC05) values ranged between 140 μg L(-1) and 80,000 μg L(-1), with 3 of the species tested (M. macleayi, A. cumingi, and H. viridissima) being more sensitive to Mn than all but 1 species in the international literature (Hyalella azteca). A loss of Mn was observed on the final day for 2 of the H. viridissima toxicity tests, which may be a result of the complex speciation of Mn and biological oxidation. International data from toxicity tests conducted in natural water with a similar physicochemistry to Magela Creek water were combined with the present study's data to increase the sample size to produce a more reliable species sensitivity distribution. A 99% protection guideline value of 73 μg L(-1) (33-466 μg L(-1)) was derived; the low value of this guideline value reflects the higher toxicity of Mn in slightly acidic soft waters.

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Section: Methodsmentioning

confidence: 97%

Manganese toxicity to tropical freshwater species in low hardness water

Harford¹,

Mooney²,

Trenfield³

et al. 2015

Enviro Toxic and Chemistry

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“…Although the impact of hardness on metal speciation and bioavailability is well known (Lebrun et al, 2011;Peters et al, 2011;Heijerick et al, 2003;Wright and Frain, 1981), its influence on the physiology of organisms, in particular on the density of sites of action of metal transporters, and subsequently on the accumulation of metals in organisms, has been poorly studied to date. Ma et al (1999) showed that Cu uptake in Ceriodaphnia dubia did not change when organisms were grown in water with high or low Ca 2þ concentration levels.…”

Section: 2mentioning

confidence: 98%

Caged Gammarus fossarum (Crustacea) as a robust tool for the characterization of bioavailable contamination levels in continental waters: Towards the determination of threshold values

Besse¹,

Coquery²,

Lopes³

et al. 2013

Water Research

100

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We investigated the suitability of an active biomonitoring approach, using the ecologically relevant species Gammarus fossarum, to assess trends of bioavailable contamination in continental waters. Gammarids were translocated into cages at 27 sites, in the Rhône-Alpes region (France) during early autumn 2009. Study sites were chosen to represent different physico-chemical characteristics and various anthropic pressures. Biotic factors such as sex, weight and food availability were controlled in order to provide robust and comparable results. After one week of exposure, concentrations of 11 metals/metalloids (Cd, Pb, Hg, Ni, Zn, Cr, Co, Cu, As, Se and Ag) and 38 hydrophobic organic substances including polycyclic aromatic hydrocarbons (PAHs), polychlorobiphenyles (PCBs), pentabromodiphenylethers (PBDEs) and organochlorine pesticides, were measured in gammarids. All metals except Ag, and 33 organic substances among 38 were quantified in G. fossarum, showing that this species is relevant for chemical biomonitoring. The control of biotic factors allowed a robust and direct inter-site comparison of the bioavailable contamination levels. Overall, our results show the interest and robustness of the proposed methodological approach for assessing trends of bioavailable contamination, notably for metals and hydrophobic organic contaminants, in continental waters. Furthermore, we built threshold values of bioavailable contamination in gammarids, above which measured concentrations are expected to reveal a bioavailable contamination at the sampling site. Two ways to define such values were investigated, a statistical approach and a model fit. Threshold values were determined for almost all the substances investigated in this study and similar values were generally derived from the two approaches. Then, levels of contaminants measured in G. fossarum at the 27 study sites were compared to the threshold values obtained using the model fit. These threshold values could serve as a basis for further implementation of quality grids to rank sites according to the extent of the bioavailable contamination, with regard to the applied methodology.

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“…Because the aim of most WQBs is to protect organisms from long‐term exposures that can occur throughout their life cycle, predictions of chronic toxicity, rather than acute toxicity, are considered most relevant for generic WQB adjustment (Niyogi and Wood ). The need for BLMs that predict the toxicity of chronic metal exposures has long been recognized, and chronic BLMs have been developed for Cu, Pb, Mn, Ni, and Zn (Heijerick et al ; De Schamphelaere and Janssen ; Peters, Lofts et al ; Peters, Merrington et al ; Nys et al ). Although the focus has been primarily on freshwater ecosystems, BLMs have also been developed for the marine environment (e.g., USEPA ).…”

Section: Strengths Limitations and Potential Applications Of Water mentioning

confidence: 99%

How Specific Is Site‐Specific? A Review and Guidance for Selecting and Evaluating Approaches for Deriving Local Water Quality Benchmarks

Dam

Hogan²,

Harford

et al. 2019

Integr Envir Assess & Manag

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Existing prescriptive guidance on the derivation of local water quality benchmarks (WQBs; e.g., guideline values, criteria, standards) for protecting aquatic ecosystems is limited to only 3 to 4 specific approaches. These approaches do not represent the full suite available for deriving local WQBs for multiple types of water quality–related issues. The general lack of guidance is inconsistent with the need for, and benefits of, local WQBs, and can constrain the appropriate selection and subsequent evaluation of derivation approaches. Consequently, the defensibility of local WQBs may not be commensurate with the nature of the issues for which they are derived. Moreover, where local WQBs are incorporated into regulatory requirements, the lack of guidance presents a potential risk to the derivation of appropriate WQBs and the achievement of desired environmental outcomes. This review addresses the deficiency in guidance by 1) defining local WQBs and outlining initial considerations for deciding if one is required; 2) summarizing the existing regulatory context; 3) summarizing existing guidance and identifying gaps; 4) describing strengths, weaknesses, and potential applications of a range of derivation approaches based on laboratory and/or field data; and 5) presenting a conceptual framework for appropriately selecting and evaluating a derivation approach to best suit the need. The guidance incorporates an existing set of guiding principles for deriving local WQBs and reinforces an existing categorization of site‐adapted and site‐specific WQBs. The conceptual framework recognizes the need to strike an appropriate balance between effort and ecological risk and, thus, embeds the concept of fit‐for‐purpose by considering both the significance of the issue being assessed and the extent to which the approach provides confidence that the ecosystem will be appropriately protected. The guidance can be used by industry, regulators, and others for both the a priori selection and the post hoc evaluation of appropriate approaches for deriving local WQBs. Integr Environ Assess Manag 2019;15:683–702. © 2019 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals, Inc. on behalf of Society of Environmental Toxicology & Chemistry (SETAC).

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Development of biotic ligand models for chronic manganese toxicity to fish, invertebrates, and algae

Cited by 36 publications

References 22 publications

Manganese toxicity to tropical freshwater species in low hardness water

Manganese toxicity to tropical freshwater species in low hardness water

Caged Gammarus fossarum (Crustacea) as a robust tool for the characterization of bioavailable contamination levels in continental waters: Towards the determination of threshold values

How Specific Is Site‐Specific? A Review and Guidance for Selecting and Evaluating Approaches for Deriving Local Water Quality Benchmarks

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