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TOXICITY OF SHORT-TERM COPPER EXPOSURE TO EARLY LIFE STAGES OF RED SEA BREAM, PAGRUS MAJOR
Cao, Liang1,2; Huang, Wei1,2; Liu, Jinhu1,2; Ye, Zhenjiang3; Dou, Shuozeng1
2010-09-01
发表期刊ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
卷号29期号:9页码:2044-2052
文章类型Article
摘要Acute (0, 0.1, 0.2, 0.4, 0.8, 1.6 mg Cu/L) and chronic (0, 0.02, 0.04, 0.06, 0.08, 0.10, 0.12 mg Cu/L) toxicity tests of Cu with embryonic and larval red sea bream, Pagrus major, were carried out to investigate their biological responses to Cu exposure in static water at 18 +/- 1 degrees C (dissolved organic carbon, 1.8 +/- 0.65 mg C/L; hardness, 6,183 +/- 360 mg CaCO(3)/L; salinity, 33 + 1 parts per thousand). The 24- and 48-h LC50 (median lethal concentration) values of Cu for embryos were 0.23 and 0.15 mg/L, whereas the 48-, 72-, and 96-h LC50 values for larvae were 0.52, 0.19, and 0.13 mg/L, respectively, suggesting that embryos were more sensitive to Cu toxicity than larvae. Copper exposures at >= 0.06 mg concentrations caused low hatching success, a delay in the time to hatching of embryos, and reductions in the growth and yolk absorption of the larvae, whereas high mortality and morphological malformations occurred in the embryos and larvae at >= 0.08 mg/L concentrations. Copper concentration did not significantly affect the heart rate of the embryos, but it significantly decreased the heart rate of the newly hatched larvae when the Cu concentration was >= 0.08 mg/L, suggesting that Cu at high concentrations could induce heartbeat disturbances in red sea bream more easily at the larval stage than at the embryonic stage. Hatching success, time to hatching, growth rate, morphological abnormality, yolk absorption, and heart rate were Cu concentration-dependent and could be effective endpoints for evaluating Cu toxicity to the early life stages of red sea bream in nature. Environ. Toxicol. Chem. 2010;29:2044-2052. (C) 2010 SETAC
关键词Red Sea Bream Embryos Copper Toxicity Acute Toxicity Tests Chronic Toxicity Tests Biological Endpoints
DOI10.1002/etc.247
收录类别SCI
语种英语
WOS记录号WOS:000281200700019
引用统计
被引频次:6[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/337002/32832
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, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Ocean Univ China, Fishery Coll, Qingdao 266003, Peoples R China
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Cao, Liang,Huang, Wei,Liu, Jinhu,et al. TOXICITY OF SHORT-TERM COPPER EXPOSURE TO EARLY LIFE STAGES OF RED SEA BREAM, PAGRUS MAJOR[J]. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY,2010,29(9):2044-2052.
APA Cao, Liang,Huang, Wei,Liu, Jinhu,Ye, Zhenjiang,&Dou, Shuozeng.(2010).TOXICITY OF SHORT-TERM COPPER EXPOSURE TO EARLY LIFE STAGES OF RED SEA BREAM, PAGRUS MAJOR.ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY,29(9),2044-2052.
MLA Cao, Liang,et al."TOXICITY OF SHORT-TERM COPPER EXPOSURE TO EARLY LIFE STAGES OF RED SEA BREAM, PAGRUS MAJOR".ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 29.9(2010):2044-2052.
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