Registration Dossier
Registration Dossier
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EC number: 700-710-7 | CAS number: -
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
NOEC/EC10 values for chronic nickel toxicity to algae range from 12.6 μg/l to 425 μg/l and from 97 μg Ni/L to 17891 μg Ni/L for freshwater and marine species, respectively, and have been carried forward for the HC5-& PNECderivation.
Key value for chemical safety assessment
Additional information
Toxicity to algae and cyanobacteria
Freshwater:
From the database of chronic nickel toxicity to freshwater algae, 58 individual NOEC’s are reported for 8 different algae species. NOEC/EC10 values range from 12.6 μg/l for Scenedesmus accuminatus (Deleebeeck et al., 2006) to 425 μg/l for Pseudokirchneriella subcapitata (Deleebeeck et al., 2005 & DeSchamphelaere et al. 2006).
The following table indicates those NOEC or EC10 values of high quality that have been carried forward for the HC5-& PNEC derivation
Key Study (freshwater algae) |
Selected values for the most sensitive endpoints used for derivation of the freshwater HC5 |
||
Species |
Endpoint |
Value (s) (ug/L) |
|
Deleebeeck et al., 2005 |
Pseudokirchneriella subcapitata |
EC10 |
25.3-362 |
De Schamphelaere et al., 2006 |
Pseudokirchneriella subcapitata |
EC10 |
63.0-425 |
Deleebeeck et al., 2006 |
Chlamydomonas sp. |
EC10 |
20.4-38.2 |
Ankistrodesmus falcatus |
EC10 |
13.6-59.4 |
|
Scenedesmus accuminatus |
NOEC |
12.3 |
|
Chlorella |
EC10 |
42.0 |
|
Desmodesmus spinosus |
NOEC |
22.5 |
|
Pediastrum duplex |
EC10 |
20.1-28.2 |
|
Coelastrum microporum |
EC10 |
41.2-51.8 |
|
Marine:
From the database of chronic nickel toxicity to marine algae, EC10 values are reported for four species. EC10 values range from 97 μg Ni/L for growth of giant kelp (Macrocystis pyrifera) (Golder 2007) to 17891 μg Ni/L for growth of the dinoflagellate,Dunaliella tertiolecta (Parametrix 2007c). The table below indicates the NOEC or EC10 values of high quality selected for derivation of HC5 and the marine aquatic PNEC.
Key Study (marine algae) |
Selected values for the most sensitive endpoints used for derivation of the marine HC5 |
||
Species |
Endpoint |
Value (s) (ug/L) |
|
Golder, 2007 |
Macrocystis pyrifera |
EC10 |
96.7 |
Parametrix 2007a |
Champia parvula |
EC10 |
144 |
Parametrix 2007b |
Skelatonema costatum |
EC10 |
316.5 (geomean) |
Parametrix 2007c |
Dunaliella tertiolecta |
EC10 |
17, 891 |
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