【摘要】 <正> 一、前言海水中的叶绿素主要存在于浮游植物体内,是这些植物借以进行光合作用的主要色素。叶绿素含量同光合作用速度和生物量有着直接的关系。植物体通过叶绿素的光合作用,进行能量转换,是生产有机物或生物产品的基础。因此,50年代就有人根据叶绿素含量来估计水域生产力。随着测试仪器、技术和方法的改进及标准化,海水叶绿素含量的测定越更多还原

【Abstract】 The quantitative distribution of the total chlorophyll and chlorophyll-a from 30 stations in the Bohai Sea in Oct. 1980 were studied with the spectrophotometric method. The results have shown that the concentration of chlorophyll in the Bohai Sea varied from 1.23 mg/m~3 to 6.65 mg/m~3 and that of chlorophyll-a varied from 0.40 mg/m~3 to 2.68mg/m~3. The mean values of chlorophyll and chlorophyll-a were 3.08 mg/m~3 and 1.22 mg/m~3 respectively. The primary productivity for four regions of the Bohai Sea were estimated from chlorophyll-a. The values thus obtained were 255 mgC/m~2. day, 199 mgC/m~2. day, 180 mgC/m~2. day and 151 mgC/m~2. day for the Laizhou Bay, the Liaodong Bay, the central part of the Bohai Sea and the Bohai Bay respectively. The pri- mary productivity for the entire Bohai Sea in Oct. averaged 202 mgC/m~2. day.更多还原