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首页> 外文期刊>Environmental toxicology and chemistry >AN ASSESSMENT OF THE BIOACCUMULATION OF ESTRONE IN DAPHNIA MAGNA
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AN ASSESSMENT OF THE BIOACCUMULATION OF ESTRONE IN DAPHNIA MAGNA

机译:雌蕊在雌蕊中的生物蓄积性评估

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摘要

The bioaccumulation of estrone by Daphnia magna was determined. Direct uptake via the aqueous medium occurred within the first 16 h. A bioconcentration factor of 228 was established over all temporal periods. Ingestion via Chlorella vulgaris gave a partitioning factor of 24, which may approximate to a biomagnification factor assuming steady state conditions. These preliminary results indicate that the partitioning to Daphnia magna via the food source, C. vulgaris is less significant than bioconcentration.
机译:确定了水蚤(Daphnia magna)对雌酮的生物积累。在最初的16小时内通过水性介质直接吸收。在所有时间段内确定的生物浓缩系数为228。通过寻常小球藻摄入,分配因子为24,在稳态条件下可能接近生物放大因子。这些初步结果表明,通过食物来源寻常小球藻(C. vulgaris)分配到大型蚤(Daphnia magna)的作用不如生物浓缩作用重要。

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