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EC number: 244-168-5
CAS number: 21041-95-2
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.
1 relevant study was considered in this section for chronic toxicity on
the frog Xenopus laevis. The NOECs (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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