期刊
ENVIRONMENTAL POLLUTION
卷 180, 期 -, 页码 34-40出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2013.04.031
关键词
Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Rotifer; Toxicity
资金
- National Basic Research Program of China (973 Program) [2010CB429003]
- Fund for Creative Research Groups of the National Natural Science Foundation of China [51121003]
- Program of the Co-Construction with Beijing Municipal Commission of Education of China
The acute and chronic effects of perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) on the rotifer Brachionus calyciflorus (B. calyciflorus) were investigated at the organismal and the population level. The acute toxicity of PFOS to rotifers was approximately 2.5-fold greater than that of PFOA. From 0.25 to 2.0 mg L-1, PFOS exhibited higher toxicity than PFOA on the PO-generation of B. calyciflorus, including effects on body size, juvenile periods, net reproductive rate, and generation time. Both PFOS and PFOA exposure induced a smaller egg size in B. calyciflorus, suggesting that these risks can be transferred from mother to offspring. The 28-day population growth studies showed that PFOS and PFOA reduced the population density and increased the mictic ratio. Our results demonstrated that both PFOS and PFOA had adverse effects on B. calyciflorus, not only at the individual level but also at the population level. (C) 2013 Elsevier Ltd. All rights reserved.
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