Abstract:
:Fish play an important role as a primary eco-toxicity test organism in environmental hazard assessment. Toxicity data of native species are often sought for use in the derivation of water quality criteria (WQC). The Chinese medaka, Oryzias sinensis, is an endemic species of China. The acute toxicity of 6 chemicals on O. sinensis was tested in this work, and toxicity effect of 10 chemicals to O. sinensis was compared with 4 commonly used species globally. A total of 9 robust interspecies correlation estimation (ICE) models using O. sinensis as the surrogate species were constructed and used to derive predicted no effect concentration and hazardous concentrations of 5% species (HC5) values based on species sensitivity distribution. Results showed that the 96 h median lethal concentration of Hg2+, Cr6+, linear alkylbenzene sulfonates, triclosan, 3,4-dchloroaniline, sodium chloride to O. sinensis were 0.29, 50, 6.0, 0.63, 9.2 and 14,400 mg/L, respectively. The sensitivity of O. sinensis and other 4 testing organisms were statistically indistinguishable (P > 0.05). No significant difference among HC5-ICE, HC5-measured and HC5 from published literatures was identified. All results indicated the O. sinensis is a potential model organism in the application of eco-toxicity and WQC in China and other Asian countries.
journal_name
Chemospherejournal_title
Chemosphereauthors
Cui L,Fan M,Belanger S,Li J,Wang X,Fan B,Li W,Gao X,Chen J,Liu Zdoi
10.1016/j.chemosphere.2020.127813subject
Has Abstractpub_date
2020-12-01 00:00:00pages
127813eissn
0045-6535issn
1879-1298pii
S0045-6535(20)32008-7journal_volume
261pub_type
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