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根据 1997年 4～ 12月间对大窑湾牡蛎养殖区的生态环境调查结果 ,讨论了该养殖水域叶绿素a含量分布特征和季节变化 ,对初级生产力进行估算。结果表明 ,大窑湾浮筏养殖区叶绿素a含量处于较低水平 ,平均为 1.0 2mg/m3 。叶绿素a含量分布呈现出明显的季节差异 ,秋季较高。初级生产力的分布与叶绿素a含量分布存在差异 ,夏季最高 ,海水透明度可能是造成这种差异的重要影响因子
According to the ecological environment survey of oyster culture area in Dayao Bay from April to December, 1997, the distribution characteristics and seasonal variations of chlorophyll a content in the aquaculture waters were discussed, and the primary productivity was estimated. The results showed that the chlorophyll a content in the aquaculture area of Dayao Bay was at a low level with an average of 1.0 2 mg / m3. Chlorophyll a content distribution showed a clear seasonal difference, higher in autumn. The distribution of primary productivity and the content of chlorophyll a are different. The highest in summer and the transparency of seawater may be the important influencing factors of this difference