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首页> 外文期刊>Environmental toxicology and chemistry >HOW WATER OXYGENATION LEVEL INFLUENCES CADMIUM ACCUMLATION PATTERN IN THE ASIATIC CLAM CORBICULA FLUMINEA: A LABORATORY AND FIELD STUDY
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HOW WATER OXYGENATION LEVEL INFLUENCES CADMIUM ACCUMLATION PATTERN IN THE ASIATIC CLAM CORBICULA FLUMINEA: A LABORATORY AND FIELD STUDY

机译:水氧合作用水平如何影响亚洲蛤仔科比丘鱼的镉积累模式:实验室和田间研究

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The level of O_2 in water in highly variable in the aquatic environment and is a major ventilatory drive in all animals breathing water. Low O_2 partial pressure(PO_2)strongly stimulates ventilatory activity compared to air-equilibrated or O_2-enriched water. We studied the influence of ventilatory activity on the bioaccumulation rate of Cd in the freshwater Asiatic clam Corbicula fluminea for Po_2 ranging from 4 to 40 kPa(2-20 mg/L at 15 deg. C)during steady-state exposure to controlled concentrations of Cd of approximately 2 or 0.5μg/L under both laboratory and field conditions.
机译:在水生环境中,水中O_2的含量变化很大,并且是所有呼吸水的动物的主要通风驱动力。与空气平衡或富含O_2的水相比,低O_2的分压(PO_2)强烈地刺激了呼吸活动。我们研究了在稳态暴露于控制浓度的二氧化硫期间,通气活动对淡水亚洲蛤Cor(Corbicula fluminea)中Po_2在15摄氏度下4至40 kPa(2-20 mg / L)下Po_2中Cd的生物累积速率的影响。在实验室和现场条件下,镉的含量约为2或0.5μg/ L。

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