首页> 外文期刊>Environmental toxicology and chemistry >AN EVALUATION OF THE INFLUENCE OF SUBSTRATE ON THE RESPONSE OF JUVENILE FRESHWATER MUSSELS (FATMUCKET, LAMPSILIS SILIQUOIDEA) IN ACUTE WATER EXPOSURES TO AMMONIA
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AN EVALUATION OF THE INFLUENCE OF SUBSTRATE ON THE RESPONSE OF JUVENILE FRESHWATER MUSSELS (FATMUCKET, LAMPSILIS SILIQUOIDEA) IN ACUTE WATER EXPOSURES TO AMMONIA

机译:在急性暴露于氨水的水中,基质对少年淡水牡蛎(FATMUCKET,Lampsilis SILIQUOIDEA)反应的影响评估

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摘要

Acute 96-h ammonia toxicity to three-month-old juvenile mussels (Lampsilis siliquoidea) was evaluated in four treatments (water-only, water-only with feeding, water and soil, and water and sand) using an exposure unit designed to maintain consistent pH and ammonia concentrations in overlying water and in pore water surrounding the substrates. Median effect concentrations (EC50s) for total ammonia nitrogen in the four treatments ranged from 5.6 to 7.7 mg/L and median lethal concentrations (LCSOs) ranged from 7.0 to 11 mg/L at a mean pH of 8.4. Similar EC50s or LC50s with overlapping 95% confidence intervals among treatments indicated no influence of substrate on the response of mussels in acute exposures to ammonia. Environ.
机译:使用设计用于维持生命的暴露装置,在四种处理方式(纯水,仅水和饲料,水和土壤以及水和沙)中评估了对三个月大的贻贝(Lampsilis siliquoidea)的急性96小时氨毒性。底物周围的水和孔隙水中的pH和氨浓度保持一致。四种处理中总​​氨氮的中位浓度(EC50)在5.6至7.7 mg / L范围内,在平均pH值为8.4时,中位致死浓度(LCSO)在7.0至11 mg / L范围内。在处理之间重叠的95%置信区间内,相似的EC50或LC50表示在急性暴露于氨中,基质对贻贝的响应没有影响。环境。

著录项

  • 来源
    《Environmental toxicology and chemistry》 |2010年第9期|P.2112-2116|共5页
  • 作者单位

    U.S. Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, Missouri 65201 Fishery College, Ocean University of China, Qingdao, Shandong 266003, People's Republic of China;

    rnDepartment of Biology, Missouri State University, Springfield, Missouri 65897, USA;

    rnU.S. Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, Missouri 65201;

    rnU.S. Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, Missouri 65201;

    rnU.S. Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, Missouri 65201;

    rnU.S. Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, Missouri 65201;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    juvenile mussels; ammonia; toxicity; substrate; sediment;

    机译:少年贻贝;氨;毒性;基质;沉淀;
  • 入库时间 2022-08-17 13:32:23

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