氨和亚硝酸盐对短鼻鲟幼鱼的急性毒性

The Progressive Fish-culturist Pub Date : 1998-09-01 DOI:10.1577/1548-8640(1998)060<0315:ATOAAN>2.0.CO;2

J. J. Isely, J. Tomasso

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引用次数: 31

摘要

摘要总氨氮(氨氮)对短鼻鲟幼鱼96h的中位致死浓度(96h LC50)为149.8±55.20 mg/L(平均±SD, 17.9±0.62℃，pH = 6.8 ~ 7.3)。计算出未电离氨氮的96 h LC50为0.58±0.213 mg/L。亚硝酸盐氮对短吻鲟鱼种的96 h LC50为11.3±8.17 mg/L(17.9±0.31℃，<1.0 mg氯/L， <1.0 mg镁/L, 1.8 mg钙/L, 7.7 mg钠/L)。

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Acute toxicity of ammonia and nitrite to shortnose sturgeon fingerlings

Abstract The 96-h median-lethal concentration (96h LC50) of total ammonia nitrogen (ammonia-N) to fingerling shortnose sturgeon Acipenser brevirostrum was 149.8 ± 55.20 mg/L (mean ± SD, 17.9 ± 0.62°C, pH = 6.8–7.3). Calculated 96-h LC50 for un-ionized ammonia-N was 0.58 ± 0.213 mg/L. The 96-h LC50 of nitrite nitrogen to shortnose sturgeon fingerlings was 11.3 ± 8.17 mg/L (17.9 ± 0.31°C, <1.0 mg chloride/L, <1.0 mg magnesium/L, 1.8 mg calcium/L, 7.7 mg sodium/L).

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The Progressive Fish-culturist

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