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Influence of Acid Volatile Sulfide and Metal Concentrations on Metal Bioavailability to Marine Invertebrates in Contaminated Sediments

Manipulation of AVS by oxidation of naturally anoxic sediments allowed use of metal concentrations typical of nature and evaluation of processes important to chronic metal exposure and showed that AVS or porewater (PW) metals controlled bioaccumulation in only 2 of 15 metal-animal combinations.
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Influence of Acid Volatile Sulfides and Metal Concentrations on Metal Partitioning in Contaminated Sediments

The influence of acid volatile sulfide (AVS) on the partitioning of Cd, Ni, and Zn in porewater (PW) and sediment as reactive metals (SEM, simultaneously extracted metals) was investigated in…
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Species and gamete-specific fertilization success of two sea urchins under near future levels of pCO2

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Importance of equilibration time in the partitioning and toxicity of zinc in spiked sediment bioassays

Sediment bioassay protocols employing a short equilibration time and high spiked metal concentrations could accentuate partitioning of metals to the dissolved phase and shift the pathway for metal exposure toward the dissolve phase.
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Influence of acid volatile sulfides and simultaneously extracted metals on the bioavailability and toxicity of a mixture of sediment-associated Cd, Ni, and Zn to polychaetes Neanthes arenaceodentata.

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Arsenic speciation in water, suspended particles, and coastal organisms from the Taehwa River Estuary of South Korea.

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Uptake pathway for Ag bioaccumulation in three benthic invertebrates exposed to contaminated sediments

In conclusion, ingestion of contaminated sediments and food were the principle routes of Ag bioaccumulation by the benthic invertebrates during chronic exposure, but the relative importance of each uptake route differed among species.
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Comparison of selenium bioaccumulation in the clams Corbicula fluminea and Potamocorbula amurensis: A bioenergetic modeling approach

A bioenergetic model suggests that dietary uptake is the dominant pathway for Se bioaccumulation in the two clams in San Francisco Bay and that interspecies differences in Se bio Accumulation can be explained by differences in food ingestion rates.
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Application of indigenous benthic amphipods as sediment toxicity testing organisms

Overall results of this first attempt to develop an amphipod sediment toxicity test protocol in Korea indicated that M. mai and M. acherusicum would be applicable in the toxicity assessment of contaminated sediments, following the further evaluation encompassing various ecological and toxicological studies in addition to test method standardization.
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Effects of Salinity , Temperature and Food Type on the Uptake and Elimination Rates of Cd , Cr , and Zn in the Asiatic Clam Corbicula fluminea

Overall results showed that the variation of salinity and temperature in estuarine systems can considerably influence the metal bioaccumulation potential in theEstuarine clam C. fluminea, and suggested that this clam species can be used as an efficient biomonitor for the Cd contamination in freshwater and estuarist environments.
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