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对博贺港、水东港、鸡打港及水东湾以及其３０ｍ外海海域进行四个典型潮期的浮游藻类叶绿素的调查，得到海域浮游藻类叶绿素ａ含量大小的区域性及潮汐性差异；同时在四个水层进行连续２４小时的原位挂瓶培养，得到以氧计的浮游藻类光合作用毛光合产氧率（ＧＯＰ）及净光合产氧率（ＮＯＰ）大小，以及生物体呼吸、有机物分解耗氧率（Ｒ）的大小。计算水域以碳计的总碳生产力（ＧＣＰ）及净碳生产力（ＮＣＰ），从而推算出水体初级生产力的大小。
Four typical tidal phytoplankton chlorophyll contents were investigated in Bohe Port, Shuidong Port, Jizha Port, Shuidong Bay and its offshore area of 30m, and the regional and tidal variability of the chlorophyll a content of the planktonic algae was obtained. Meanwhile, The four-layer continuous in-bottle cultivation was carried out in four aquifers to get photosynthetic rate of photosynthesis photosynthetic rate of photosynthesis (OOP) and net photosynthetic oxygen production (NOP) in aerobic algae as well as biological respiration, organic matter Dissolve oxygen rate (R) size. Calculate the gross carbon productivity (GCP) and net carbon productivity (NCP) in the water area to calculate the primary productivity of water bodies.