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Toxic Effects of Zinc on the Development, Growth, and Survival of Red Sea Bream Pagrus major Embryos and Larvae
Huang, Wei1,2; Cao, Liang1,2; Shan, Xiujuan1,2; Xiao, Zhizhong1; Wang, Qiyao1; Dou, Shuozeng1
2010
发表期刊ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷号58期号:1页码:140-150
文章类型Article
摘要This study investigated the zinc toxicity to red sea bream Pagrus major embryos and larvae at 18 +/- A 1A degrees C (33 +/- A 1aEuro degrees in salinity) under laboratory conditions. The acute toxicity tests indicated that zinc 48-h LC50 to embryos and 96-h LC50 to larvae were 4.3 (3.3-6.3; 95% confidence limits) and 10.1 (9.0-11.4) mg l(-1), respectively, suggesting that embryos were more sensitive than larvae to zinc exposure. The subchronic toxicity test, in which embryos and larvae were continuously exposed to 0, 0.1, 0.3, 0.5, 0.7, 1.0, 1.5, 2.0, and 2.5 mg Zn2+ l(-1) solutions for 10 days, demonstrated that waterborne zinc had distinctly toxic effects on the development, growth, and survival of red sea bream embryos and larvae. Zinc exposure at concentrations a parts per thousand yen 0.5 mg l(-1) would lead to a low hatching rate (19-78%, vs. 98% in controls), high mortality (29-91%, vs. 10% in controls), and morphological abnormality (12-77%, vs. 0.3% in controls) in embryos and larvae, while it caused delay in time-to-hatch in embryos at concentrations a parts per thousand yen 1.0 mg l(-1). These four biological parameters were zinc concentration dependent and could be effective bioindicators for evaluating the toxicity of zinc to the early life stage of this fish. Heartbeats of embryos (9-13 beats 10 s(-1)) were relatively low and were not significantly influenced by zinc concentration, although they rose remarkably with elevated zinc concentration in larvae at the end of the test, particularly when it was a parts per thousand yen 1.0 mg l(-1) (36-38, vs. 31 beats 10 s(-1) in controls). The total length (L-T) of the larvae at the end of the test was reduced by 12.2% and 15.6% in the 1.0 and 2.0 mg l(-1) solutions but did not vary significantly in other solutions in comparison with the controls. Heartbeat and L-T were less sensitive to zinc exposure and might not be good biological parameters for determining the toxicity of zinc to the early life stage of red sea bream.
DOI10.1007/s00244-009-9348-1
收录类别SCI
语种英语
WOS记录号WOS:000273665000015
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32877
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714
Huang, Wei,Cao, Liang,Shan, Xiujuan,et al. Toxic Effects of Zinc on the Development, Growth, and Survival of Red Sea Bream Pagrus major Embryos and Larvae[J]. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2010,58(1):140-150.
APA Huang, Wei,Cao, Liang,Shan, Xiujuan,Xiao, Zhizhong,Wang, Qiyao,&Dou, Shuozeng.(2010).Toxic Effects of Zinc on the Development, Growth, and Survival of Red Sea Bream Pagrus major Embryos and Larvae.ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,58(1),140-150.
MLA Huang, Wei,et al."Toxic Effects of Zinc on the Development, Growth, and Survival of Red Sea Bream Pagrus major Embryos and Larvae".ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 58.1(2010):140-150.
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