南极夏季沿海P.Pouchetii繁殖期间丙烯酸和二甲基硫的自然产率

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样品取自东南极距戴维斯站 1 0公里沿海海域 1 5米水层。从 1 988年 1 1月至 1 989年 2月 ,利用高压液相色谱和气相色谱等手段对海藻 Phaeocystis Pouchetii整个繁殖过程中所产生的有毒物质丙烯酸和二甲基硫的浓度进行了长期连续测定。结果表明 ,丙烯酸和二甲基硫的含量变化范围分别为 0 .0 0 1~ 0 .5 1 0 μmol/L和 0 .0 0 3~ 0 .5 88μmol/L。二者的含量变化与 P.Pouchetii细胞数量的变化完全一致 (相关系数均为 0 .
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