光对海洋藻类生长的影响——叉鞭金藻对光响应的动力学过程研究
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摘要: 采用14C同位素示踪法、叶绿素法和细胞计数法,于实验室条件下模拟研究了光照强度对海水中叉鞭金藻生长的影响,以及光转移对叉鞭金藻生长的动力学过程.结果表明,在温度为21℃时,叉鞭金藻光响应曲线初始率为0.028(μmol·m-1·S-1)-1·h-1,最大同化系数为4.15h-1.在光照时间为12hL:12hD条件下,光转移过程叉鞭金藻一级速度常数为2.1×10-2h-1.同化系数、一级速度常数均随温度的变化而变化.
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