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EC number: 215-149-9
CAS number: 1306-25-8
Toxicity to other aquatic organims: Marine waters: One ascidian species NOEC available (species mean NOEC value for Ciona intestinalis of 430.5 µg Cd/L). Field data on freshwater:Field data on marine water: A field study on phytoplancton assemblages dominated by diatoms conducted in Kiel Fjord, Baltic Sea presents a NOEC carbon fixation rate of 1.5 µg Cd/L (Wolter et al. 1984).
In this section, we report chronic toxicity data on organims that do not belong to the invertebrate, algae or fish groups. Indeed, reliable and relevant chronic cadmium toxicity data were found for one species of marine ascidians (Ciona intestinalis, Ascidiacae, Urochordata). The datapoint was added to the aquatic marine SSD.
Field data are also reported in this section. They are important as PNECs for dissolved metals are primarily based on single species data determined in the laboratory. It is important to check their capacity for protecting the environment through field data, making the relationship between measured metal levels and observed ecosystem effects in the field.
Freshwater: 1 relevant study was considered in this section for chronic toxicity on the frog Xenopus laevis. The NOEC (9 µg/l Cd) was combined with the other data points in the species sensitivity curve.
A study on phytoplankton communities dominated by diatoms was conducted at three different locations (Kiel Fjord in Baltic Sea, North Sea and Atlantic ocean off Portugal). The lower NOEC carbon fixation rate was recorded in Kiel Fjord with a value of 1.5 µg/L (Wolter et al. 1984).
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