【摘 要】
：
研究了小型开放系统中不同浓度的铵氮对微囊藻生长的影响.在4个分别命名为N1、N2、N3、N4的水箱中,除铵氮浓度不同,其它的条件基本一致,且正磷酸盐设为足量,达到1.65 mg@L-1,
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研究了小型开放系统中不同浓度的铵氮对微囊藻生长的影响.在4个分别命名为N1、N2、N3、N4的水箱中,除铵氮浓度不同,其它的条件基本一致,且正磷酸盐设为足量,达到1.65 mg@L-1,4个水箱中铵氮浓度分别为5.23 mg@L-1,12.43 mg@L-1,22.5 mg@L-1,37.28 mg@L-1,结果表明,铵氮浓度小于2.54 mg@L-1时对微囊藻的生长起抑制作用;当浓度在7 mg@L-1～15 mg@L-1时,微囊藻呈暴发性生长;高于19.25 mg@L-1的铵氮抑制微囊藻的生长.
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