Exposure-dose-response of Tellina deltoidalis to contaminated estuarine sediments 3. Selenium spiked sediments

Taylor, Anne M.; Maher, William A.

doi:10.1016/j.cbpc.2014.06.007

Cited by 6 publications

(4 citation statements)

References 68 publications

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“…Benthic invertebrates with close association with sediments had significantly higher selenium concentrations than pelagic invertebrates. Ingestion of sediment‐associated algae and bacteria by invertebrates will be an important source of selenium . This is also evident for Lake Macquarie invertebrates, in which selenium concentrations in filter‐feeding invertebrates that consume particulates from the water column are lower compared with epibenthic deposit feeders (Supplemental Data, Table S1).…”

Section: Resultsmentioning

confidence: 97%

“…To our knowledge, no acute or chronic effects have been observed or reported for the selenium exposed organisms in Lake Macquarie. Nonetheless, laboratory studies exposing the species A. trapezia and Tellina deltoidalis to sediment selenium doses of 5 mg/g and 20 mg/g dry weight [9] found that they were able to detoxify only a small percentage of accumulated selenium, which suggests a limited detoxification and storage capacity for this element.…”

Section: Selenium Concentrationsmentioning

confidence: 99%

“…These factors may be important in environments with long water residence times where selenium concentrations are higher in the sediments than in the water column. Organisms capable of obtaining selenium directly from sediments via ingestion of associated algae and microorganisms will be more likely than pelagic species to accumulate selenium to high concentrations . Organisms living in sediments and feeding on benthic organisms are, therefore, expected to have higher selenium concentrations than pelagic biota.…”

Section: Introductionmentioning

confidence: 99%

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Modeling food web structure and selenium biomagnification in lake macquarie, New South Wales, Australia, using stable carbon and nitrogen isotopes

Schneider

Maher

Potts

et al. 2015

Enviro Toxic and Chemistry

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As a consequence of coal-fired power station operations, elevated selenium concentrations have been reported in the sediments and biota of Lake Macquarie (New South Wales, Australia). In the present study, an ecosystem-scale model has been applied to determine how selenium in a seagrass food web is processed from sediments and water through diet to predators, using stable isotopes (δ(13) C and δ(15) N) to establish the trophic position of organisms. Trophic position, habitat, and feeding zone were examined as possible factors influencing selenium bioaccumulation. Selenium concentrations ranged from 0.2 μg/g dry weight in macroalgae species to 12.9 μg/g in the carnivorous fish Gerres subfasciatus. A mean magnification factor of 1.39 per trophic level showed that selenium is biomagnifying in the seagrass food web. Habitat and feeding zone influenced selenium concentrations in invertebrates, whereas feeding zone was the only significant factor influencing selenium concentrations in fish. The sediment-water partitioning coefficient (Kd ) of 4180 showed that partitioning of selenium entering the lake to particulate organic material (POM) is occurring, and consequently availability to food webs from POM is high. Trophic transfer factors (invertebrate = 1.9; fish = 1.2) were similar to those reported for other water bodies, showing that input source is not the main determinant of the magnitude of selenium bioaccumulation in a food web, but rather the initial partitioning of selenium into bioavailable POM. Environ Toxicol Chem 2015;34:608-617. © 2014 SETAC.

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Section: Resultsmentioning

confidence: 97%

Section: Selenium Concentrationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modeling food web structure and selenium biomagnification in lake macquarie, New South Wales, Australia, using stable carbon and nitrogen isotopes

Schneider

Maher

Potts

et al. 2015

Enviro Toxic and Chemistry

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“…They reported lethal and sublethal effect concentrations. Taylor and Maher (2014) used microcosms in a 28-d exposure of bivalves (Tellina deltoidalis) to selenium-spiked sediments (0, 5 µg/g, and 20 µg/g), and observed reduced antioxidant capacity, which corresponded with increased lipid peroxidation, lysosomal destabilization, and micronuclei frequency. Exposuredose-response relationships were demonstrated for T.…”

Section: Chemical Toxicity and Testingmentioning

confidence: 99%

Effects of Pollution on Marine Organisms

Mearns

Reish

Oshida

et al. 2015

Water Environment Research

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This review covers selected 2014 articles on the biological effects of pollutants and human physical disturbances on marine and estuarine plants, animals, ecosystems and habitats. The review, based largely on journal articles, covers field and laboratory measurement activities (bioaccumulation of contaminants, field assessment surveys, toxicity testing and biomarkers) as well as pollution issues of current interest including endocrine disrupters, emerging contaminants, wastewater discharges, dredging and disposal, etc. Special emphasis is placed on effects of oil spills and marine debris due in part to the 2010 Deepwater Horizon oil blowout in the Gulf of Mexico and the 2011 Japanese tsunami. Several topical areas reviewed in the past (ballast water and ocean acidification) were dropped this year. The focus of this review is on effects, not pollutant fate and transport. There is considerable overlap across subject areas (e.g.some bioaccumulation papers may be cited in other topical categories). Please use keyword searching of the text to locate related but distributed papers. Use this review only as a guide and please consult the original papers before citing them.

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Trace elements in surface sediments of the Hooghly (Ganges) estuary: distribution and contamination risk assessment

Sarkar

Mondal

Biswas

et al. 2017

Environ Geochem Health

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Our objective was to evaluate distribution and accumulation of trace elements (TEs) in surface sediments along the Hooghly (Ganges) River Estuary, India, and to assess the potential risk with view to human health. The TE concentrations (mg kg dry weight) exhibited a wide range in the following order: Al (31.801 ± 15.943) > Fe (23.337 ± 7584) > Mn (461 ± 147) > S (381 ± 235) > Zn (54 ± 18) > V (43 ± 14) > Cr (39 ± 15) > As (34 ± 15) > Cu (27 ± 11) > Ni (24 ± 9) > Se (17 ± 8) > Co (11 ± 3) > Mo (10 ± 2) > Hg (0.02 ± 0.01). Clay, silt, iron, manganese and sulphur were important for the accumulation of TE in the sediments as confirmed by factor analysis and Pearson correlation. The accumulation and dispersal of TEs were most likely to be governed by both tide-induced processes and anthropogenic inputs from point and non-point sources. Enrichment factor analysis and geoaccumulation index revealed serious contamination of the sediments with Se and As, while comparing the consensus-based sediment quality guidelines (SQGs), adverse biological effects to benthic fauna might be caused by As, Cu, Ni and Cr. This investigation may serve as a model study and recommends continuous monitoring of As, Se, Cu, Ni and Cr to ascertain that SQGs with respect to acceptable levels of TEs to safeguard geochemical health and ecology in the vicinity of this estuary.

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Exposure-dose-response of Tellina deltoidalis to contaminated estuarine sediments 3. Selenium spiked sediments

Cited by 6 publications

References 68 publications

Modeling food web structure and selenium biomagnification in lake macquarie, New South Wales, Australia, using stable carbon and nitrogen isotopes

Modeling food web structure and selenium biomagnification in lake macquarie, New South Wales, Australia, using stable carbon and nitrogen isotopes

Effects of Pollution on Marine Organisms

Trace elements in surface sediments of the Hooghly (Ganges) estuary: distribution and contamination risk assessment

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